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GB154715A - An improved screw driver - Google Patents

An improved screw driver

Info

Publication number
GB154715A
GB154715A GB2173319A GB2173319A GB154715A GB 154715 A GB154715 A GB 154715A GB 2173319 A GB2173319 A GB 2173319A GB 2173319 A GB2173319 A GB 2173319A GB 154715 A GB154715 A GB 154715A
Authority
GB
United Kingdom
Prior art keywords
screw driver
improved screw
hole
blade
improved
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
GB2173319A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2173319A priority Critical patent/GB154715A/en
Publication of GB154715A publication Critical patent/GB154715A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/005—Handle constructions for screwdrivers, wrenches or spanners with additional levers, e.g. for increasing torque

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

154,715. Burn, A. M. M. Sept. 4, 1919. Screwdrivers of the type having a hole in the blade for the insertion of a tommy-bar to assist in turning it, have two such holes made in the blade b, one c near the end and the other d near the handle a. The hole d is for use when the screwdriver is used in a recess, or when the hole c is otherwise inaccessible.
GB2173319A 1919-09-04 1919-09-04 An improved screw driver Expired GB154715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2173319A GB154715A (en) 1919-09-04 1919-09-04 An improved screw driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2173319A GB154715A (en) 1919-09-04 1919-09-04 An improved screw driver

Publications (1)

Publication Number Publication Date
GB154715A true GB154715A (en) 1920-12-06

Family

ID=10167897

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2173319A Expired GB154715A (en) 1919-09-04 1919-09-04 An improved screw driver

Country Status (1)

Country Link
GB (1) GB154715A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825374A (en) * 1956-07-06 1958-03-04 Austin L Reid Screw driver
US2870809A (en) * 1955-11-09 1959-01-27 Feldman Herman Tool handle
US3561510A (en) * 1968-10-09 1971-02-09 Peter F Johnson Screwdriver with torque amplifying means
US4026338A (en) * 1976-04-26 1977-05-31 Goebel Ronald G Retractor for one-way screw

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2870809A (en) * 1955-11-09 1959-01-27 Feldman Herman Tool handle
US2825374A (en) * 1956-07-06 1958-03-04 Austin L Reid Screw driver
US3561510A (en) * 1968-10-09 1971-02-09 Peter F Johnson Screwdriver with torque amplifying means
US4026338A (en) * 1976-04-26 1977-05-31 Goebel Ronald G Retractor for one-way screw

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