US Patent: 4,541,312
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| Long Nose Locking Plier
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Patentee:
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| Christian Petersen (exact or similar names) - DeWitt, NE |
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Patent Dates:
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| Applied: |
Mar. 06, 1981 |
| Granted: |
Sep. 17, 1985 |
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Stan Schulz
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Description: |
| Lackenbach, Siegel, Marzullo, Presta & Aronson - patent attorneys
Abstract
A long nose locking hand tool having a pair of opposing jaw members, a fixed handle and a movable handle and lever locking means therebetween for maintaining a toggle relationship between the jaws when in a closed position; and wherein each of said jaw members comprising a jaw face configuration having a total jaw length to average jaw height ratio of from about 6.5 to about 8.5 with a through jaw hardness range of from about 53 to about 57 Rockwell C, with said jaw members made of an alloy spring steel, said jaw members having a nominal parallel opening when they are spaced apart, approximately 3/16 inch, thereby enabling said jaw members to clamp a workpiece up to 3/16 inch thick with parallel jaw faces by flexing to the parallel condition when closed and returning to their original unstressed state when released of clamping pressure.
Appears in VISE-GRIP(R) catalog listings, etc. together with 4,546,680 as pertinent to "Long Nose" VISE-GRIP(R) locking pliers. See also entries for D261096 and 4,730,524.
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