GB399094A - Improvements in or relating to screw-drivers - Google Patents
Improvements in or relating to screw-driversInfo
- Publication number
- GB399094A GB399094A GB5500/33A GB550033A GB399094A GB 399094 A GB399094 A GB 399094A GB 5500/33 A GB5500/33 A GB 5500/33A GB 550033 A GB550033 A GB 550033A GB 399094 A GB399094 A GB 399094A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screw
- sleeve
- drivers
- relating
- pins
- 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
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
Abstract
399,094. Screwdrivers. BOSCH AKT.-GES., R., 4, Militõrstrasse, Stuttgart, Germany. Feb. 23, 1933, No. 5500. Convention date, March 14, 1932. [Class 61 (iii). A screw-holding device for a screwdriver comprises a sleeve c detachably secured in position by ball pins i carried by a springy ring k engaging a groove in a sleeve m in which the screwdriver blade a rotates, the forward end of the sleeve c being provided with pins g mounted in a springy ring e and grooved at h to grip the head of the screw b.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE399094X | 1932-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB399094A true GB399094A (en) | 1933-09-28 |
Family
ID=6397439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5500/33A Expired GB399094A (en) | 1932-03-14 | 1933-02-23 | Improvements in or relating to screw-drivers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB399094A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2769471A (en) * | 1952-03-15 | 1956-11-06 | Cheney Charles William | Hand tools for operating worm geared band clips |
-
1933
- 1933-02-23 GB GB5500/33A patent/GB399094A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2769471A (en) * | 1952-03-15 | 1956-11-06 | Cheney Charles William | Hand tools for operating worm geared band clips |
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