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GB548615A
Expired / Lapsed
GB
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Improvements relating to male spanners for use with a screw having a non-circular recess to receive the spanner
Assignee: HERBERT Ltd A
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Filing: 1941-10-09
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Granted: —
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Expires: 1961-10-09
Abstract
Abstract 548,615. Wrenches. HERBERT, Ltd., A., and LONG, L. L. Oct. 9, 1941, No. 13029. [Class 61 (iii)] A polygonal spanner for use with polygonally recessed screws has the extremity beyond the flats 19 bevelled at 17 and the part of the stem above the flats recessed at 18 enabling it to drive the screw when it is not coaxial with the recess.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-23 11:43
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/001; B25B15/004; B25B15/008; B25B13/00; B25B13/48; B25B13/481
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