FR2271903A1 - Screw insertion and removal tool - has portion sprung against recess wall to hold handled item - Google Patents
Screw insertion and removal tool - has portion sprung against recess wall to hold handled itemInfo
- Publication number
- FR2271903A1 FR2271903A1 FR7418073A FR7418073A FR2271903A1 FR 2271903 A1 FR2271903 A1 FR 2271903A1 FR 7418073 A FR7418073 A FR 7418073A FR 7418073 A FR7418073 A FR 7418073A FR 2271903 A1 FR2271903 A1 FR 2271903A1
- Authority
- FR
- France
- Prior art keywords
- stem
- groove
- screw insertion
- removal tool
- recess wall
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
- B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
- B25B23/106—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit the driving bit being a blade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
- B25B23/105—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit
- B25B23/108—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means the gripping device being an integral part of the driving bit the driving bit being a Philips type bit, an Allen type bit or a socket
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The screwdriver has a stem (1) with a diametrical groove in it at one end, and a replaceable blade (2), preferably with a lengthwise groove (7) forming it into two tongues (5, 6) whose tips engage in the screw slot, and also a widened rear end (8). The latter fits in the groove in the stem and also in lengthwise grooves in a locking sleeve (3) pressed onto the stem. The tongues can be elastic and offset in relation to each other, so that they grip against opposite sides of the screw slot and hold it, the tips being chamfered. They can be arranged to extend from the locking sleeve only far enough to engage fully in the screw slot. The stem can also have a peripheral groove, with which a mating protrusion inside the sleeve snaps into engagement.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7418073A FR2271903A1 (en) | 1974-05-24 | 1974-05-24 | Screw insertion and removal tool - has portion sprung against recess wall to hold handled item |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7418073A FR2271903A1 (en) | 1974-05-24 | 1974-05-24 | Screw insertion and removal tool - has portion sprung against recess wall to hold handled item |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2271903A1 true FR2271903A1 (en) | 1975-12-19 |
FR2271903B1 FR2271903B1 (en) | 1978-01-20 |
Family
ID=9139224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7418073A Granted FR2271903A1 (en) | 1974-05-24 | 1974-05-24 | Screw insertion and removal tool - has portion sprung against recess wall to hold handled item |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2271903A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0941809A3 (en) * | 1998-03-13 | 2000-03-22 | Max Co., Ltd. | Screwdriver tip and screw suitable therefore |
WO2007021850A1 (en) * | 2005-08-12 | 2007-02-22 | Smith & Nephew, Inc. | Fastener retainer and driver |
-
1974
- 1974-05-24 FR FR7418073A patent/FR2271903A1/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0941809A3 (en) * | 1998-03-13 | 2000-03-22 | Max Co., Ltd. | Screwdriver tip and screw suitable therefore |
US6164171A (en) * | 1998-03-13 | 2000-12-26 | Max Co., Ltd. | Screwdriver used for screw tightener and screw suitably tightened by the screwdriver |
WO2007021850A1 (en) * | 2005-08-12 | 2007-02-22 | Smith & Nephew, Inc. | Fastener retainer and driver |
Also Published As
Publication number | Publication date |
---|---|
FR2271903B1 (en) | 1978-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |