GB576789A - Improvements in or relating to screw-tap wrenches - Google Patents

Improvements in or relating to screw-tap wrenches

Info

Publication number
GB576789A
GB576789A GB578844A GB578844A GB576789A GB 576789 A GB576789 A GB 576789A GB 578844 A GB578844 A GB 578844A GB 578844 A GB578844 A GB 578844A GB 576789 A GB576789 A GB 576789A
Authority
GB
United Kingdom
Prior art keywords
screw
relating
wrenches
jawmembers
tap
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
GB578844A
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 GB578844A priority Critical patent/GB576789A/en
Publication of GB576789A publication Critical patent/GB576789A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/26—Manually-operated thread-cutting devices
    • B23G1/261—Die and tap wrenches
    • B23G1/262—Tap wrenches having a V slot

Landscapes

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

Abstract

576,789. Wrenches. MILLER, J. March 29, 1944, No. 5788. [Class 61 (iii)] A screw-tap holding wrench comprises a square part 1 with screw-threaded ends engaged by handles 2, 3 for closing the jawmembers 5, 8 which are formed with a number of pairs of screwtap holding jaws 7, 9 so that when one pair of jaws becomes worn another pair may be brought into use. Springs 10 hold the jawmembers apart.
GB578844A 1944-03-29 1944-03-29 Improvements in or relating to screw-tap wrenches Expired GB576789A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB578844A GB576789A (en) 1944-03-29 1944-03-29 Improvements in or relating to screw-tap wrenches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB578844A GB576789A (en) 1944-03-29 1944-03-29 Improvements in or relating to screw-tap wrenches

Publications (1)

Publication Number Publication Date
GB576789A true GB576789A (en) 1946-04-18

Family

ID=9802633

Family Applications (1)

Application Number Title Priority Date Filing Date
GB578844A Expired GB576789A (en) 1944-03-29 1944-03-29 Improvements in or relating to screw-tap wrenches

Country Status (1)

Country Link
GB (1) GB576789A (en)

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