Patent US3733937A successfully refreshed from Google Patents.
US3733937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-slipping polygonal wrench
Assignee: Individual
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Filing: 1971-06-28
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Granted: 1973-05-22
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Expires: 1991-06-28
Abstract
Abstract A wrench having a plurality of sides is formed with a head at one end for insertion into a socket of a screw or bolt having a corresponding number of sides. A horizontally springy neck of the wrench is integral with a head and with a tip spaced axially from the head. The tip is offset circumferentially from the head approximately 5* to 10*. A similar head, springy neck and offset tip may be provided at the other end of the wrench. The wrench may be straight or L-shaped and have any number of sides greater than two.
Inventors
- 👤 F Mezey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:03
CPC Classifications
B; B25; B25B; B25B15/00; B25B15/001; B25B15/004; B25B15/008
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
74 words
A wrench comprising: a body having a head means at one end, a torsionally springy neck means integrally formed with said head means and extending axially from a free end of said head means, a tip axially integral with said neck means, said tip having an external form corresponding to that of said head means with said tip circumferentially offset therefrom by a permanent angular twist around the central axis of said head means.
Claim 2
Dependent Claim
74 words
A wrench comprising: a body having a head means at one end, a torsionally springy neck means integrally formed with said head means and extending axially from a free end of said head means, a tip axially integral with said neck means, said tip having an external form corresponding to that of said head means with said tip circumferentially offset therefrom by a permanent angular twist around the central axis of said head means.
Claim 3
Dependent Claim
18 words
A wrench as defined in claim 1 wherein said body, and said tip have a polygonal sided shape.
Claim 4
Dependent Claim
84 words
A wrench as defined in claim 1 further comprising another head means at the other end of said body another torsionally springy neck means integrally formed with said other head means and extending from a free end of said other head means; another tip axially integral with said other neck means, said tip having an external form corresponding to that of said head means with said tip circumfeRentially offset therefrom by a permanent angular twist around the central axis of said other head means.
Claim 5
Dependent Claim
15 words
A wrench as defined in claim 3, wherein said body is L-shaped in side view.
Claim 6
Dependent Claim
25 words
A wrench as defined in claim 1, wherein said head means, and said tip have a number of straight sides ranging from three to twelve.
Claim 7
Dependent Claim
24 words
A wrench as defined in claim 3 wherein said head means and said tip have a number of sides ranging from three to twelve.
Claim 8
Dependent Claim
22 words
A wrench as defined in claim 1, wherein said tip is twisted from 5* to 10* with respect to said head means.
Claim 9
Dependent Claim
23 words
A wrench as defined in claim 3, wherein each tip is twisted from 5* to 10* with respect to the respective head means.
Claim 10
Dependent Claim
24 words
A wrench as defined in claim 1 wherein said neck means is defined by a circumferential groove between said head means and said tip.
Claim 11
Dependent Claim
26 words
A wrench as defined in claim 1 wherein said tip is twisted counterclockwise from 5* to 10* with respect to said head means as viewed endwise.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |