GB576789A - Improvements in or relating to screw-tap wrenches - Google Patents
Improvements in or relating to screw-tap wrenchesInfo
- 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
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.
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) |
-
1944
- 1944-03-29 GB GB578844A patent/GB576789A/en not_active Expired
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