EP1520156A1 - Taschenmesser mit wägeorgan - Google Patents
Taschenmesser mit wägeorganInfo
- Publication number
- EP1520156A1 EP1520156A1 EP03729774A EP03729774A EP1520156A1 EP 1520156 A1 EP1520156 A1 EP 1520156A1 EP 03729774 A EP03729774 A EP 03729774A EP 03729774 A EP03729774 A EP 03729774A EP 1520156 A1 EP1520156 A1 EP 1520156A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- knife
- pocket knife
- weighing
- weight
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000005303 weighing Methods 0.000 title claims abstract description 70
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 43
- 238000011156 evaluation Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 241000252073 Anguilliformes Species 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
- B25F1/006—Combination or multi-purpose hand tools with percussion tool-heads or -blades, e.g. hammers, axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B11/00—Hand knives combined with other implements, e.g. with corkscrew, with scissors, with writing implement
- B26B11/001—Hand knives combined with other implements, e.g. with corkscrew, with scissors, with writing implement of the Swiss-knife type
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
- G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
- G01G23/3707—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting using a microprocessor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
- G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
- G01G23/3728—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting with wireless means
Definitions
- the present invention relates to a pocket knife according to the preamble of claim 1 and a method for weighing a weight by means of a pocket knife.
- a multifunctional tool is described, i.a. in the form of a pocket knife, which can be used as a scale.
- a foldable from the pocket knife weighing element is provided, to which a weight can be attached.
- the embodiments described in this international patent application are rather general, and especially the mentioned pocket knife, designed for use as a balance leaves room for further developments.
- a pocket knife for use as a balance according to the wording of claim 1 is proposed.
- a pocket knife comprising at least one foldable cutting tool, at least on one side the knife overlapping a side cover and at least three, the knife holding together or the cutting tool in the folded or unfolded position lockable mounting axes proposed, which has a weighing member which is one of the at least three axes or mindetens another axis is hinged and / or movably mounted during weighing.
- the weighing member is operatively connected to a transmission arrangement for transmitting the weight to be weighed to a measuring sensor.
- the transmission arrangement preferably has a lever-like element which is at least operatively connected to the weighing member in order to transmit the weight to be weighed to the measuring sensor in the manner of a lever.
- the lever-like transmission element provided for the transmission of the weight to be weighed is a part remaining in the blade, and the weight to be weighed by the transmission element is transmitted, is preferably a micromechanical silicon sensor.
- the weighing member, the transmission element as well as the measuring sensor can either be arranged in a pocket knife plane which is covered directly by the at least one side cover of the pocket knife, in which side cover the evaluation electronics and the
- the weighing element, transmission element and measuring sensor can also be arranged in a plane formed centrally in the pocket knife, with further tools such as bottle openers in the tool or pocket knife planes between the first-mentioned plane and the at least one side cover, having evaluation electronics and display tools , Can opener and the like are arranged, which is a transverse to the pocket knife plane through hole between the measuring sensor and the one side cover set free.
- the connection between the measuring sensor and the evaluation electronics takes place through this opening.
- the connection between the measuring sensor and evaluation electronics can also take place by means of a so-called transponder transmission, so that no physical opening is necessary.
- the pocket knife is weighed or moved at least twice by a person undertaking the weighing process at least twice, whereby the weighing member, which surrounds one of the at least three assembly axes of the
- Pocket knife is movably mounted, at least twice by the point 90 °, i. perpendicular to the pocket knife longitudinal axis protruding downward, wherein at least twice each a peak value for the weight to be determined is measured, which averages the weight to be measured.
- an evaluation electronics continuously detects the force which is set when moving the pocketknife back and forth, and in the case of approximately similar peak values, these or their mean value are displayed as the weight to be measured.
- Another possibility is the use of a so-called Hall sensor, in which the position of the weighing member or weighing member is detected. By a single tilting movement of the pocket knife, the Hall sensor detects the exact 90 ° position of the
- FIG. 1 shown in perspective, an inventive pocket knife with unfolded weighing member
- FIG. 3 schematically shows the "inner life" of a pocketknife according to the invention, depicting the elements relevant for weighing;
- FIG. 6 shows an alternative measuring arrangement in which a measuring sensor is provided directly on the weighing member
- FIG. 7 schematically, in perspective, a
- 10a and 10b show a further compensation variant by means of a Hall sensor.
- FIG. 1 shows in perspective a pocket knife 1 according to the invention, having different tools 3, 4 and 5 in different planes, such as knife blades, scissors, eels, bottle opener, can opener, etc.
- the different tool levels are covered by covers 6 and 7, and covers and the various tools are held together at least by two largely arranged in the end region longitudinal axes 9 and 10.
- the tools are each locked in the folded and unfolded position, are accordingly and not visible in Fig. 1 longitudinally elongated clamping elements, which held on the one hand in the two end axes 9 and 10 and held by another transverse to the pocket knife axis 11 and are clamped.
- These three axes 9, 10 and 11 are usually at least present in pocket knives.
- eels, Zapfenzieher and the like are usually at least four transverse to the pocket knife level extending mounting, holding and / or locking axes provided.
- a weighing member 13 is provided, which is analogous example, a blade from the pocket knife body swung out or -klappbar to be in the position shown in Fig. 1, to be.
- a weight can now be attached, which can be determined due to further provided in the pocket knife elements, sensors and the like.
- a display 17, arranged in one of the two side covers 6 and 7, the measured weight can be read.
- Fig. 2 shows a further embodiment of an inventive pocket knife, where instead of the axis 11, the weighing member 13 is pivotally mounted on one of the two arranged in the terminal region mounting shafts 9 or 10. In itself, it is irrelevant where the weighing member is arranged, but preferably one of the existing mounting or holding or locking axes is used for arranging the weighing member 13.
- FIG. 3 shows schematically the "inner life" of a pocketknife according to the invention, analogous to that shown in Fig. 1.
- the weighing member 13 together with a transfer element 21 on the mounting axis 11 is largely freely movable or pivotably mounted, so that over a hinged connection 14 and the transmission element 21, arranged in the interior of the pocket knife, the weight attached to the weighing member 13 can be transmitted to a measuring sensor 23.
- the measuring sensor 23 in turn is connected to an evaluation electronics 25, which is arranged in the side cover 6.
- the determined weight can be read on a display 17.
- FIG. 4 shows schematically a longitudinal section through the pocket knife according to the invention along that plane in which the various elements responsible for weighing and measuring are arranged.
- the measuring member 13 which can be pivoted out of the knife body, is fastened to an axis 11 extending transversely to the plane, which is designed like a hook.
- the transverse axis 11 is coupled to a lever-like transmission element 21, which is fixed in a lever-like manner pivotable about an axis 31.
- This transmission element 21 is operatively connected to a further transmission element 21 ', which is rotatably mounted about a further axis 31'.
- This further transmission element 21 ' finally presses on a measuring element 23 via a ball-like element 24, on which finally the weight attached to the measuring element 13 is detected.
- Fig. 4 further suggestively recognizable are two per se in a pocket knife conventionally arranged tools, which is, for example, a can opener or screwdriver 5 and a can opener 5 '.
- the measuring element 13 is also shown in the folded-in state and is identified by the reference line, indicated by dashed lines, provided with the reference number 13 '. Furthermore, it can be seen from FIG.
- the measuring sensor 23 is freely accessible at least from one side, namely from the side where the implicitly marked tools 5 and 5' are arranged.
- the arrangement for measuring and transmitting the weight to be measured need not necessarily be placed directly under a side cover of the pocket knife, but may also be provided in the central region, which is advantageous for accurate measurement.
- a through opening for side cover is free by selecting the hinted tools 5 and 5 ', a wire, contact pin, contact tab transmission of the detected by the measuring sensor weight to the transmitter in the corresponding side cover is possible.
- a measuring and transmission arrangement is again shown with reference to an analogous section, wherein now primarily the transmission element 21 is rotatably mounted for rotation about an axis or mounting axis 11 of the pocket knife and the weighing member 13 with the transmission element 21 about a further axis of rotation 31 ". Again, the weighing member 13 is rotatably arranged in or out of the pocket knife body 13. If a weight is now attached to the weighing member 13, the weight is transferred via the rotation axis 31 "directly to the transfer member 21, which due to the rotatable mounting about the axis 11 the weight transmits via an intermediate element 24 to the measuring sensor 23.
- the transmission of the signal detected by the measuring sensor to the evaluation electronics can be carried out wirelessly by means of electromagnetic coupling contrary to the above, by a coil is contained in the measuring sensor 23, and the transmission to the evaluation microprocessor, for example by means of transponder transmission.
- the measuring sensor contains a passive coding and / or evaluation electronics.
- the measuring energy is transmitted to the measuring sensor and the coding and / or evaluation electronics.
- the coding and / or evaluation electronics modulates the transmission measuring energy, which can be evaluated by the sensor.
- This principle is known as a tag or transponder principle.
- This embodiment variant has proved to be particularly advantageous in the assembly of a pocket knife by any contact tabs, wires and the like extending from the measuring sensor to the evaluation electronics. can be easily damaged in the relatively harsh mounting conditions. This danger does not exist in the case of a wireless transmission.
- FIG. 6 shows an alternative variant for detecting a weight by means of a pocket knife.
- a weight by means of a pocket knife.
- FIG. 6 only one weighing member is shown in longitudinal section, which is mounted, for example, about the axis 11 of the pocket knife hinged. The detection of the weight takes place here directly on the weighing member by a lot 71 is provided, which is weakened relative to the remaining part of the weighing member.
- Weight on the weighing member 13 experiences the weakened Position 71 a slight extension in the longitudinal direction or arrow direction, which extension, as shown schematically in Figure ⁇ b, for example, by means of a measuring strip 73 is detected.
- the measuring strip 73 may be of analog design, such as the strain gauge bridge 45 of a measuring sensor 23 described below with reference to FIG. 7.
- the transmission of the measured value can in turn take place by means of so-called transponder transmission to an electronic evaluation unit or to the microprocessor in the lateral pocket knife shell, where finally also the display of the detected weight takes place.
- FIG. 7 shows a variant of a preferred measuring sensor, namely a micromechanical silicon sensor.
- the weight transferred from an untranslated transfer element 21 to an intermediate element 24 is transferred to the silicon sensor 41, in which measuring resistors 45 are arranged in the form of a measuring bridge.
- this intermediate element 24 is a sphere-like element.
- the measuring principle of this micromechanical silicon sensor corresponds to that of strain gauge bridges 45 which are applied to a silicon chip 43 and which have terminals 46.
- the advantages of this measurement technology are:
- FIGS. 8a and 8b A further variant of the measurement or transmission and storage principle of the weight to be detected is to be represented schematically on the basis of FIGS. 8a and 8b.
- the measuring member 13 which is freely rotatably connected to an axle 11 with a transmission element or transmission lever 21, the attached weight is transmitted via the intermediate element 24 to the measuring sensor 23.
- the transmission takes place by means of a tilting movement of the transmission element 21 about a resiliently formed bearing 81, which is formed between the transmission element 21 and a retaining plate 83.
- the difference between the representations in FIGS. 8a and 8b lies merely in the fact that in one case the holding plate and the spring-mounted mounting 81 are arranged between the weighing member 13 and the sensor 23 in FIG. 8a, while in FIG. 8b the bearing 81 is at the end Transmission element 21 is arranged.
- FIGS. 8a and 8b Damage to the measuring sensor 23, such as a silicon sensor, can be seen in FIGS. 8a and 8b, in each case a stop 28, against which the transmission element 21 rests at a certain maximum loading by the weighing member 13. This results in a limitation of the weighing possibility, i. the measuring device according to FIGS. 8a and 8b can only be used up to a certain maximum weight.
- the compensation can be corrected by a sine function, as shown in Fig. 9b.
- a compensation can be done both by electronic and / or mechanical methods.
- the following procedure is proposed according to the invention. This is a so-called weighing method in which a user moves the pocket knife or the measuring body back and forth at least twice. As a result, the weighing member 13 due to its largely free Mobility about the mounting axis 11 moves back and forth.
- An electronic evaluation system continuously records the force values. If it has been swiveled twice through the 90 ° point, ie if the weigh hook has passed through the vertical downward position at least twice, there must be twice similar peak values of the measured force. These peaks represent the weight to be measured. Small short disturbances are filtered out by digital filtering techniques. In addition, a plausibility check is made.
- Either this peak value can be displayed as the weight on the display 17, or an average value of the various peak values can be determined and displayed.
- the angular position of the hook can be detected.
- a sensor second to the second sensor which can detect the angular position of the hook to the longitudinal extent of the pocketknife, the angle is measured and the measured force according to the sine function, shown in Fig. 9b, corrected.
- Suitable sensors are the following:
- Hall sensor Together with the force sensor, a Hall sensor is pushed into the measuring body. Together with a magnet, which is attached to the hook, the angular position is detected. -Optical sensor
- FIGS. 10a and 10b show the arrangement of an above-mentioned Hall sensor 91, by means of which the deviation of the position of the weighing element 13 can be determined.
- FIG. 10 a shows that the Hall sensor 91 is arranged opposite the terminal portion 93 of the weighing member 13, wherein this end portion 93 is formed magnetically.
- the two values detected by the Hall sensor 91 and the measuring sensor 23 are combined in a microprocessor 95 and the weight detected in the measuring sensor 23 is corrected accordingly by the deviation of the member 13.
- FIGS. 1 to 10 are, of course, only examples which can be modified, modified or supplemented by further elements in any desired manner.
- the main purpose of the figures is to explain the present invention with reference to examples. In particular, the exact arrangement of the various elements, the choice of measuring sensors, the evaluation electronics, the display, the design of the pocket knife itself, etc. are freely modifiable within the scope of the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH117202 | 2002-07-04 | ||
CH11722002 | 2002-07-04 | ||
PCT/CH2003/000416 WO2004005866A1 (de) | 2002-07-04 | 2003-06-25 | Taschenmesser mit wägeorgan |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1520156A1 true EP1520156A1 (de) | 2005-04-06 |
Family
ID=30005580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03729774A Withdrawn EP1520156A1 (de) | 2002-07-04 | 2003-06-25 | Taschenmesser mit wägeorgan |
Country Status (7)
Country | Link |
---|---|
US (1) | US7886442B2 (de) |
EP (1) | EP1520156A1 (de) |
KR (1) | KR100987502B1 (de) |
CN (1) | CN1308662C (de) |
AU (1) | AU2003240358A1 (de) |
MX (1) | MXPA05000129A (de) |
WO (1) | WO2004005866A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH693024A5 (de) * | 1998-05-06 | 2003-01-31 | Flytec Ag | Multifunktionales Werkzeug. |
DE102005054368A1 (de) * | 2005-11-15 | 2007-05-16 | Albert Sauter | Mobile Hängewaage |
US20140060940A1 (en) * | 2012-09-04 | 2014-03-06 | Selvin G. Barrett | Digital weight scale |
CN108748283A (zh) * | 2018-07-20 | 2018-11-06 | 深圳市熙龙玩具有限公司 | 一种可用于称重的刀具装置及其刀具称重方法 |
CN111366219A (zh) * | 2018-12-25 | 2020-07-03 | 富泰华工业(深圳)有限公司 | 称重设备及具有该称重设备的电子装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US804947A (en) * | 1903-04-08 | 1905-11-21 | Computing Scale Co | Combined spring and lever scale. |
US1642212A (en) * | 1924-06-09 | 1927-09-13 | William J Mclaughlin | Overrun tester |
DE479802C (de) | 1928-04-08 | 1929-07-23 | Franz Xaver Troemer | Als Neigungswaage wirkende Taschenbriefwaage |
US2389108A (en) * | 1942-09-23 | 1945-11-13 | Howe Scale Company | Scale |
US3557789A (en) * | 1967-11-20 | 1971-01-26 | Edward J Poitras | Therapeutic fluid flow control apparatus |
US3720275A (en) * | 1971-08-04 | 1973-03-13 | A Chmielewski | Device for reading pendulum-cam scales beam positions and for placing and removing weights |
GB1517554A (en) * | 1974-08-01 | 1978-07-12 | Berkel Gmbh | Weighing apparatus |
CH594237A5 (de) * | 1976-08-19 | 1977-12-30 | Mettler Instrumente Ag | |
US4660666A (en) * | 1984-08-31 | 1987-04-28 | Robert W. Junghans | Strain gauge scale for weighing fish |
CN1013709B (zh) * | 1987-05-09 | 1991-08-28 | 株式会社岛津制作所 | 电子秤 |
US5313376A (en) * | 1988-11-14 | 1994-05-17 | Mcintosh Kirk W | Multipurpose knife/light |
DE4407433C2 (de) * | 1994-03-05 | 1995-12-14 | Sartorius Gmbh | Elektrische Waage zum Dosieren |
US5545855A (en) * | 1994-11-22 | 1996-08-13 | Advanced Fishing Technologies, Inc. | Electronic fish scale for coding and storing weights and displaying same in inverse order |
US5614981A (en) * | 1995-11-20 | 1997-03-25 | Eastman Kodak Company | Camera with magnetic orientation sensor |
JPH10288545A (ja) | 1997-04-16 | 1998-10-27 | Hokuei Kogyo Kk | 計量器 |
IL135583A (en) * | 1997-10-16 | 2004-06-01 | Ctech Ag | Multi-purpose manual device |
JP3655745B2 (ja) * | 1998-04-16 | 2005-06-02 | タカタ株式会社 | シート重量計測装置 |
CH693024A5 (de) | 1998-05-06 | 2003-01-31 | Flytec Ag | Multifunktionales Werkzeug. |
-
2003
- 2003-06-25 AU AU2003240358A patent/AU2003240358A1/en not_active Abandoned
- 2003-06-25 WO PCT/CH2003/000416 patent/WO2004005866A1/de not_active Application Discontinuation
- 2003-06-25 KR KR1020057000157A patent/KR100987502B1/ko not_active IP Right Cessation
- 2003-06-25 CN CNB038157195A patent/CN1308662C/zh not_active Expired - Fee Related
- 2003-06-25 EP EP03729774A patent/EP1520156A1/de not_active Withdrawn
- 2003-06-25 MX MXPA05000129A patent/MXPA05000129A/es active IP Right Grant
- 2003-06-25 US US10/519,875 patent/US7886442B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2004005866A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1308662C (zh) | 2007-04-04 |
CN1666092A (zh) | 2005-09-07 |
KR100987502B1 (ko) | 2010-10-13 |
MXPA05000129A (es) | 2005-08-26 |
WO2004005866A1 (de) | 2004-01-15 |
US20050241071A1 (en) | 2005-11-03 |
KR20050029303A (ko) | 2005-03-25 |
US7886442B2 (en) | 2011-02-15 |
AU2003240358A1 (en) | 2004-01-23 |
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