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US3100403A - Push-button mechanisms - Google Patents

Push-button mechanisms Download PDF

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Publication number
US3100403A
US3100403A US820764A US82076459A US3100403A US 3100403 A US3100403 A US 3100403A US 820764 A US820764 A US 820764A US 82076459 A US82076459 A US 82076459A US 3100403 A US3100403 A US 3100403A
Authority
US
United States
Prior art keywords
push
ball
button
sleeve
groove
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.)
Expired - Lifetime
Application number
US820764A
Other languages
English (en)
Inventor
Dottlinger Alfred
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JACOB RITTER KG
Original Assignee
JACOB RITTER KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JACOB RITTER KG filed Critical JACOB RITTER KG
Application granted granted Critical
Publication of US3100403A publication Critical patent/US3100403A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G7/00—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof
    • G05G7/02—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof characterised by special provisions for conveying or converting motion, or for acting at a distance
    • G05G7/08—Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof characterised by special provisions for conveying or converting motion, or for acting at a distance in which repeated movement of the controlling member moves the controlling member through a cycle of distinct positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons
    • B43K24/086—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons with heart-shaped cams, balls
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
    • H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20396—Hand operated
    • Y10T74/20468—Sliding rod

Definitions

  • the present invention relates to push-button mechanisms, the actuation of which alternately and successively moves a control element having a longitudinal axis from one to another of two axial locking positions, and is suitable for enabling the writing point of a writing implement to be advanced and retracted.
  • push-button mechanisms for advancing and retracting the writing point and together therewith the ink reservoir of bail-point pens
  • the pushbutton mechanism comprising a push-button member slidably guided in a sleeve members, relative movement between the members being restricted by means of a captive ball retained between said members in a closedended or endless control groove in each of the mating surfaces of said members.
  • an annular control groove is formed between the rear end of the pen barrel and the clip sleeve, the barrel and the clip sleeve together forming the sleeve member.
  • the push-button mechanism can be assembled by inserting the captive ball in the control grooves before the clip sleeve is screwed on to the pen barrel.
  • a push-button mechanism comprises a push-button member slidably guided in a sleeve .member, relative movement between said members being restricted by a captive ball retained in closed-ended or endless grooves in said members, one of said members having a ball-insertion groove open at one end and at the other end communicating with one of said control grooves, said ballinsertion groove being constricted at its opening into said control groove.
  • a push-button mechanism comprises a push-button member slidably guided for movement along a given axis in a sleeve member by mating surfaces in said members, and a captive ball retained between said members by a closedended or endless control groove in each of said mating surfaces thereof to restrict relative movement between said members, one of said control grooves extending transversely of said given axis and other of said control grooves having ball-locking stations spaced longitudinally of said given axis, and one of said members having in its mating surface a ball-insertion groove open at one end and at the other end communicating with the control groove of said one member, said ball-insertion groove being constricted at its opening into said control groove.
  • a push-button mechanism comprises a push-button member slidably guided in a sleeve member by substantially cylindrical mating surfaces on said members, a captive ball retained between said members by a closedended or endless control groove in each of said cylindrical surfaces thereof, each of said grooves having a depth substantially equal to but not less than the radius of said captive ball, one of said grooves extending circumferentially of said cylindrical surfaces and the other of said grooves having ball-locking stations spaced longitudinally of said cylindrical surfaces and one of said members having in its cylindrical surface a ball-insertion groove extending from one end of the cylindrical surface to the control groove therein, the opening of said ball-insertion groove into said control groove being consnicted.
  • the push-button member may conveniently be manufactured from synthetic material by injection moulding.
  • the grooves in said push-button member are so formed as to facilitate the removal of the push-button tion of a ball-point pen showing a push-button mechav nism according to one embodiment of the present invention
  • FIG. 2 is a magnified cross section of a second embodiment of a push-button mechanism suitable for use with :a ball-point pen, and having different sleeve structure and arrangement,
  • FIG. 3 is a cross section similar to FIG. 1 illustrating a further embodiment of a push-button mechanism
  • FIG. 4 is a magnified cross section of a'bal-l-point pen having a push-button mechanism similar to thatshown in FIG. 1, but showing alternative sleeve and barrel cap structure and arrangement,
  • FIG. 4a is a detail cross section to a slightly larger scale of the sleeve member of the push-button mechanism shown in FIG. 4,
  • FIG. 5 is a cross section on the line 5-5 of FIG. 1,
  • FIG. 7 is an electrical switch having a push-button mechanism similar to that of FIG. 1.
  • a push-button mechanism comprises a push-button member 1, a sleeve member formed by a clip sleeve 2 of a ball-point pen and a captive ball 4.
  • the convex cylindrical surface of the push-button member .1 cooperates with the inner concave cylindrical surfaces of the clip sleeve 2 in order to slidably guide the push-button member 1 along the axis of the sleeve 2.
  • a control groove 6 is formed in the cylindrical surface of the push-button member 1 and a control groove 5 is formed in the cylindrical surface of the sleeve 2.
  • the combined depth of the grooves 5 and 6 is substantially equal to but not less than the radius of the captive ball 4.
  • the control groove 5 extends transversely of the axis of the push button mechanism and extends substantially circumferentially of the slip sleeve 2 as in the embodiment of FIG. 1.
  • the control groove 6 has two ball-locking stations 16 and 17 which are spaced longitudinally of the axis of the mechanism.
  • the push-button member 1 is biased upwardly, for example by means of a spring (not shown in FIG. 1) so as to maintain the captive ball 4 in one or other of thesestations.
  • pressure on the push-button member 1 causes. the captive ball 4 to move, relative to the member 1, along the left-hand portion of the control groove 6. Subsequent release of pressure from the push-button member
  • FIG. 6 is a cross section on the line 6-6 of FIG. 1,
  • control grooves 5 and'6 are'continuous grooves and therefore have no open ends. ln'orderto enable the captive ball 4 to be i initially-inserted-inthe grooves the cylin'dricalsurface of the push-button member 1 is provided with a ball- The ball 4 is inserted in groove 5 through the lower part of groove 7 and is forced throughthe constriction 8 in the upper end of groove 7 and into groove 6 by the first actuation of the push-button into the groove during assembly ofthe member 1. The constriction's prevents the captive ball returning along the insertion groove 7 during normal use of the push-button mechanism. 7
  • FIG. 1 The push-button mechanism of FIG. 1- is readily applicable to a ball-point'pen such as is shown in FIG. 4.
  • the clip sleeve ⁇ is screwed into the upper end of a pen barrel 3, a clip 10 being retained between the sleeve 2 and the barrel.
  • the upper end of an ink reser Win 12 is biased by a spring to press against the end 11 "In FIG. 1 the push butt'on member 1, the sleeve member formed by the clip sleevel and preferably also the I pen barrel "5- are manufactured from injection-moulded synthetic material.
  • FIG. 2 In the embodiment of the push-button mechanism shown in FlG. 2 like parts in FIG; 1 are indicated by like reference numerals followed b y the suffix a.
  • the clip sleeve 2a of FIG. 2 is however. formed from metal.
  • the groove oa extends right around the pushbutton member. 1a and the ball-insertion passage 7a is not only constricted at its opening sainto the groove (in 7 which the control groove 6b' has a constriction 91;: forming a limit position 17xb which can be felt as a stop when the mechanism is actuated gently.
  • the stop is felt, downward pressure on the push-button member is released and the ball 4b in cooperation with the groove shapes and the spring bias is brought to locking station 1717.
  • Theball-insertiongroove 7 is open L g neendkand at its other end communicates withthe control grooved.
  • Theball-insertion groove 7 is constr icted at 8 where it opens into the controljgr-oove 6.
  • FIG. 3 again parts which arelilre those of FIG; 1' are indicated by like reference
  • the ink reserln the ball-point pen shown in FIG. 4 an ink reservoir 14c is biased against a puslnbutton member 10 by means of a spring 15.
  • vAs can be more clearly seen in FIG. 4a the'control groove 50 in theembodiment of the pushbutton mechanism ofFlG. '4 is formed between a clip sleeve 20 and the upper portion of the pen barrel 3c.
  • FIGS. 4 and 4a therefore comprises both the clip sleeve 2c and the pen barrel 30.
  • a clip 1? is moulded integrally with the clip sleeveZc.
  • extending control groove 50 is'formed by the upper end 18 of the pen barrel 3c and the upper edge 50 of the groove 5 isformed by an'internal annular projection a shoulder 24) in the sleeve 20 which is screwed into the barrel 3c.
  • the construction shown in FIGS. 4 and 4a has the advantage of simplicity.
  • parts similar to parts of preceding FIGS, are indicated by like reference numerals with the suffixes 0', d and e.
  • control groove 6 and ball-' insertion "groove 7 are formed as shown in FIGS. 5 and 6.
  • the push-button mechani smin FIG. 1 is shown-in its position inwhioh the writing point of-the penis retracted. Pressure on the mem: ber l'to bring the captiveball 4 toits limit position 17x I and release of the pressure for the spring bias and thecooperating groove shapes to bring the ball 4 into its I ball-locking station 17 advances the point of the pen 7 beyond the front end (not shown) of thebarrel 3.
  • the sides 24), 21,22 and 23 of the control groove 6 and the side '24 of the ball-insertion groove 7 are formed divergent towards the cylindrical surface of the pushbutton member 1.
  • FIG. -7 shows an application of a push-button mecha-.
  • FIG. 7a push-button mechanism according to the invention is used to open and close switch oontacts'of an electricswitch.
  • 'A spring 15a is provided for biasing the push-button member, but if the switch contacts are sufficiently resilient it maybe possible to dispense with the spring 15a.
  • the transversely extending groove is in the sleeve member and the groove with the longitudinally spaced ball locking stationsis in the push-button member 1, but it is equally positioned to have a reverse arrangement, i.e. the transversely extending groove in the push-button member and ,the groove with the ball-lockmg stations in the sleeve member.
  • the ball in- V sertion groove could also be .in the sleeve member.
  • the constriction 8 from the ball insertion groove 7 in the drawings may be formed at the end of a gradual taper starting from the initial opening of the groove 7, as shown particularly in FIG. 1.
  • a push-button mechanism comprising: a stationary sleeve means for enclosing and supporting the rest of the mechanism; a. one piece push-button .meanslongitudmally slidable in said sleeve means between axially spaced positions for alternating actuation t-herebetween; opposing control grooves defined-on said sleeve and pushbuttonmeans, said grooves being shaped and positioned relative.
  • said push-button means consisting of an integral piece of molded plastic and having a cylindrical periphery formed with said insertion and control grooves, said grooves on said push-button means comprising at least two peripherally spaced portions which extend substantially in the longitudinal direction of the push-button means and have side walls diverging to said periphery to facilitate the removal of the push-button means from a mold.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Pens And Brushes (AREA)
  • Push-Button Switches (AREA)
US820764A 1958-06-26 1959-06-16 Push-button mechanisms Expired - Lifetime US3100403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER23562A DE1267138B (de) 1958-06-26 1958-06-26 Kugel-Druckmechanik, insbesondere fuer Kugelschreiber

Publications (1)

Publication Number Publication Date
US3100403A true US3100403A (en) 1963-08-13

Family

ID=7401446

Family Applications (1)

Application Number Title Priority Date Filing Date
US820764A Expired - Lifetime US3100403A (en) 1958-06-26 1959-06-16 Push-button mechanisms

Country Status (7)

Country Link
US (1) US3100403A (de)
CH (1) CH375626A (de)
DE (1) DE1267138B (de)
DK (1) DK103384C (de)
FR (1) FR1233179A (de)
GB (1) GB877223A (de)
NL (2) NL121239C (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288973A (en) * 1965-04-16 1966-11-29 Cutler Hammer Inc Push-push switch convertible to momentary switch
US3302619A (en) * 1964-06-27 1967-02-07 Jacob Ritter Kom Ges Ball pressure mechanism for pens
US3406589A (en) * 1967-10-18 1968-10-22 F & F Entpr Inc Push-push switch structures
US4160143A (en) * 1977-05-20 1979-07-03 Petrick Gmbh Elektro-Mechanische Bauelemente Slide key
US11241904B2 (en) * 2019-07-15 2022-02-08 Hangzhou Bingqi Technology Co., Ltd. Retractable pen
EP4420893A4 (de) * 2021-10-29 2025-01-08 Yu Chengpeng Mechanischer stift und betriebsverfahren dafür

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447060A1 (fr) * 1979-01-19 1980-08-14 Thomson Brandt Bouton escamotable pour dispositif de commande a axe rotatif
SE427225B (sv) * 1980-02-15 1983-03-14 Ericsson Telefon Ab L M Tryckknappsmekanism
CN109605983B (zh) * 2018-12-26 2020-05-22 温州市简系文具有限公司 一种挤压旋转笔

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1732577A (en) * 1926-12-29 1929-10-22 Jr Augustus C Durdin Means for operating electric switches and other mechanism
FR1023101A (fr) * 1950-08-08 1953-03-13 Perfectionnements aux instruments à écrire à plusieurs couleurs
US2671354A (en) * 1950-06-28 1954-03-09 Birome Sa Locking device
BE553666A (de) * 1955-09-14 1957-01-15
FR1129021A (fr) * 1955-05-18 1957-01-15 Mécanisme de commande pour instruments à écrire à organe traçant rentrant
AT199539B (de) * 1955-07-18 1958-09-10 I A R S A Ind Articoli Resine Druckknopfmechanik für Kugelschreiber

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE911567C (de) * 1950-06-28 1954-05-17 Birome Sa Com E Ind Druckknopfschalter mit Rasthaltung
DE1726731U (de) * 1956-05-18 1956-07-19 Hauser & Co Metallwarenfabrik Druckmechanik fuer druckkugelschreiber.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1732577A (en) * 1926-12-29 1929-10-22 Jr Augustus C Durdin Means for operating electric switches and other mechanism
US2671354A (en) * 1950-06-28 1954-03-09 Birome Sa Locking device
FR1023101A (fr) * 1950-08-08 1953-03-13 Perfectionnements aux instruments à écrire à plusieurs couleurs
FR1129021A (fr) * 1955-05-18 1957-01-15 Mécanisme de commande pour instruments à écrire à organe traçant rentrant
AT199539B (de) * 1955-07-18 1958-09-10 I A R S A Ind Articoli Resine Druckknopfmechanik für Kugelschreiber
BE553666A (de) * 1955-09-14 1957-01-15
FR1169028A (fr) * 1955-09-14 1958-12-19 Jacob Ritter K G Instrument d'écriture, tel que crayon à bille

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3302619A (en) * 1964-06-27 1967-02-07 Jacob Ritter Kom Ges Ball pressure mechanism for pens
US3288973A (en) * 1965-04-16 1966-11-29 Cutler Hammer Inc Push-push switch convertible to momentary switch
US3406589A (en) * 1967-10-18 1968-10-22 F & F Entpr Inc Push-push switch structures
US4160143A (en) * 1977-05-20 1979-07-03 Petrick Gmbh Elektro-Mechanische Bauelemente Slide key
US11241904B2 (en) * 2019-07-15 2022-02-08 Hangzhou Bingqi Technology Co., Ltd. Retractable pen
EP4420893A4 (de) * 2021-10-29 2025-01-08 Yu Chengpeng Mechanischer stift und betriebsverfahren dafür

Also Published As

Publication number Publication date
DE1267138B (de) 1968-04-25
NL240245A (de)
DK103384C (da) 1965-12-20
FR1233179A (fr) 1960-10-12
CH375626A (de) 1964-02-29
GB877223A (en) 1961-09-13
NL121239C (de)

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