US Patent: 4,546,680
|
| Long Nose Locking Pliers
|
|
Patentee:
|
|
| Christian Petersen (exact or similar names) - DeWitt, NE |
|
|
Patent Dates:
|
| Applied: |
Mar. 02, 1982 |
| Granted: |
Oct. 15, 1985 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
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 11.5 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, no greater than about 1/4 inch, thereby enabling said jaw members to clamp a workpiece therebetween with parallel jaw faces by flexing to the parallel condition when closed and returning to their original unstressed state when released of clamping pressure.
|
|
