GB1503485A - Rotary hand tools such as screwdrivers - Google Patents

Rotary hand tools such as screwdrivers

Info

Publication number
GB1503485A
GB1503485A GB2752/74A GB275274A GB1503485A GB 1503485 A GB1503485 A GB 1503485A GB 2752/74 A GB2752/74 A GB 2752/74A GB 275274 A GB275274 A GB 275274A GB 1503485 A GB1503485 A GB 1503485A
Authority
GB
United Kingdom
Prior art keywords
handle
pinion
sleeve
teeth
annulus
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
Application number
GB2752/74A
Other languages
English (en)
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.)
Bunker Ramo Corp
Original Assignee
Bunker Ramo Corp
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 Bunker Ramo Corp filed Critical Bunker Ramo Corp
Priority to GB2752/74A priority Critical patent/GB1503485A/en
Priority to DE19752501598 priority patent/DE2501598A1/de
Priority to FR7501518A priority patent/FR2258246B1/fr
Priority to CA218,241A priority patent/CA1024787A/en
Priority to US05/542,141 priority patent/US4048874A/en
Publication of GB1503485A publication Critical patent/GB1503485A/en
Expired legal-status Critical Current

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
    • B25B15/00—Screwdrivers
    • 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
    • B25B17/00—Hand-driven gear-operated wrenches or screwdrivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Gripping On Spindles (AREA)
GB2752/74A 1974-01-21 1974-01-21 Rotary hand tools such as screwdrivers Expired GB1503485A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB2752/74A GB1503485A (en) 1974-01-21 1974-01-21 Rotary hand tools such as screwdrivers
DE19752501598 DE2501598A1 (de) 1974-01-21 1975-01-16 Handwerkzeug
FR7501518A FR2258246B1 (US20080293856A1-20081127-C00150.png) 1974-01-21 1975-01-17
CA218,241A CA1024787A (en) 1974-01-21 1975-01-20 Hand tool
US05/542,141 US4048874A (en) 1974-01-21 1975-01-20 Hand tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2752/74A GB1503485A (en) 1974-01-21 1974-01-21 Rotary hand tools such as screwdrivers

Publications (1)

Publication Number Publication Date
GB1503485A true GB1503485A (en) 1978-03-08

Family

ID=9745231

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2752/74A Expired GB1503485A (en) 1974-01-21 1974-01-21 Rotary hand tools such as screwdrivers

Country Status (5)

Country Link
US (1) US4048874A (US20080293856A1-20081127-C00150.png)
CA (1) CA1024787A (US20080293856A1-20081127-C00150.png)
DE (1) DE2501598A1 (US20080293856A1-20081127-C00150.png)
FR (1) FR2258246B1 (US20080293856A1-20081127-C00150.png)
GB (1) GB1503485A (US20080293856A1-20081127-C00150.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132764A (en) * 1982-09-16 1984-07-11 Norbar Torque Tools Harmonic drives for tool adjustment scales

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846027A (en) * 1988-08-19 1989-07-11 Taiwan Silver Star Industrial Co., Ltd. Screwdriver
US5289743A (en) * 1993-04-26 1994-03-01 Salvatore Cirami Two-speed reduction geared screwdriver
US5557991A (en) * 1995-03-24 1996-09-24 Brodbeck; James L. Calibration hand tool
US7305806B2 (en) * 1999-10-14 2007-12-11 Stewart Systems, Inc. Pattern former for wrapped bakery products and method for loading and unloading bakery products
TW533956U (en) * 2001-08-20 2003-05-21 Michael Hu Rotating structure for precision screwdriver
CN101109429B (zh) * 2006-07-19 2012-08-29 王榕生 省力节时的增扭器
CN108708792B (zh) * 2018-05-30 2020-04-14 中国航发动力股份有限公司 一种压比调节器精确调整工具及其使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US306375A (en) * 1884-10-14 allen
US474903A (en) * 1892-05-17 George cottrell
US628094A (en) * 1899-03-15 1899-07-04 Daniel H B Hooper Machine for transferring differential motion.
US2721591A (en) * 1953-02-17 1955-10-25 Walter H Criswell Geared screw driver
FR1097256A (fr) * 1954-01-23 1955-07-04 Trains d'engrenages droits différentiels à grands rapports de réduction sous faible encombrement
US3580097A (en) * 1969-03-04 1971-05-25 Seaboard Fabricators Inc Screw and nut driver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2132764A (en) * 1982-09-16 1984-07-11 Norbar Torque Tools Harmonic drives for tool adjustment scales

Also Published As

Publication number Publication date
FR2258246A1 (US20080293856A1-20081127-C00150.png) 1975-08-18
US4048874A (en) 1977-09-20
DE2501598A1 (de) 1975-07-24
FR2258246B1 (US20080293856A1-20081127-C00150.png) 1978-09-29
CA1024787A (en) 1978-01-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee