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GB186808A - Improved construction of ratchet screw driver - Google Patents

Improved construction of ratchet screw driver

Info

Publication number
GB186808A
GB186808A GB2358921A GB2358921A GB186808A GB 186808 A GB186808 A GB 186808A GB 2358921 A GB2358921 A GB 2358921A GB 2358921 A GB2358921 A GB 2358921A GB 186808 A GB186808 A GB 186808A
Authority
GB
United Kingdom
Prior art keywords
tube
handle
screw driver
improved construction
ratchet screw
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
GB2358921A
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 GB2358921A priority Critical patent/GB186808A/en
Publication of GB186808A publication Critical patent/GB186808A/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
    • B25B15/02—Screwdrivers operated by rotating the handle
    • B25B15/04—Screwdrivers operated by rotating the handle with ratchet action

Landscapes

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

Abstract

186,808. Milham, F. A., and Hippisley, A. Sept. 5, 1921. Screwdrivers.-A ratchet screwdriver comprises a handle A, having coaxial therewith a tube B with teeth, pins &c. C on one end, and a stem D partly enclosed in the tube B having a ring E provided with teeth or similar devices F for coacting with those on the end of the tube. A ferrule I is provided on the end of the tube and handle for holding the stem to the handle and a coiled spring H within the handle normally keeps the ends of the tube and ring apart.
GB2358921A 1921-09-05 1921-09-05 Improved construction of ratchet screw driver Expired GB186808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2358921A GB186808A (en) 1921-09-05 1921-09-05 Improved construction of ratchet screw driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2358921A GB186808A (en) 1921-09-05 1921-09-05 Improved construction of ratchet screw driver

Publications (1)

Publication Number Publication Date
GB186808A true GB186808A (en) 1922-10-12

Family

ID=10198119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2358921A Expired GB186808A (en) 1921-09-05 1921-09-05 Improved construction of ratchet screw driver

Country Status (1)

Country Link
GB (1) GB186808A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272246A (en) * 1964-08-10 1966-09-13 Bohnet Emil Hand tool with axially movable clutch means
WO1982000967A1 (en) * 1980-09-24 1982-04-01 M Mumford Rotary hand tools
FR2536689A1 (en) * 1982-11-25 1984-06-01 Skowron Jean Claude Screwdriver comprising a mechanism for coupling its shank
WO2020212454A1 (en) * 2019-04-15 2020-10-22 Nigel Buchanan Dual direction ratcheting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272246A (en) * 1964-08-10 1966-09-13 Bohnet Emil Hand tool with axially movable clutch means
WO1982000967A1 (en) * 1980-09-24 1982-04-01 M Mumford Rotary hand tools
FR2536689A1 (en) * 1982-11-25 1984-06-01 Skowron Jean Claude Screwdriver comprising a mechanism for coupling its shank
WO2020212454A1 (en) * 2019-04-15 2020-10-22 Nigel Buchanan Dual direction ratcheting device

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