The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 1988
Filed:
Sep. 16, 1985
Christian Petersen, DeWitt, NE (US);
Petersen Manufacturing Co., Inc., DeWitt, NE (US);
Abstract
A long nose locking hand tool having a pair of opposing jaw members, a fixed handle, a movable handle, and lever locking means therebetween for maintaining a toggle relationship between the jaws when in a closed position; wherein each of the jaw members comprises a jaw face having a total jaw length to average jaw height ratio of from about 6.5 to about 8.5 made of an alloy spring steel with a hardness range of from about 53 to about 57 Rockwell C, 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. Furthermore, said fixed handle has an adjustment screw and a strike surface with an axis passing through said strike surface defining the direction of a line of force impartable to the hand tool; said pair of jaws further defining a bisecting axis formed by the angle of said jaws when closed against a workpiece, and the angle between said axes being less than 50.degree. when the gripping tips of said jaw members are in a closed position.