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. 23, 1993
Filed:
Nov. 14, 1990
Shigehiko Shimomura, Yawata, JP;
Tadayuki Haruyama, Katano, JP;
Yasuzo Hatazaki, Osaka, JP;
Shuichi Yasunaga, Katano, JP;
Yuji Wada, Kadoma, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A stapler comprising a striking block having a staple striking blade for striking staples on its end; a motor for causing reciprocating motion of the staple striking block over a range from the staple striking position to a stopping position apart from the staple; a switch that is provided at the location of movement of the striking block, and is turned on and off by the motion of the striking block; and a control circuit which reverses the driving direction of the driving means, moves the striking block to the stopping position, and turns off the switching means, in case the switching means is not turned off within a predetermined time after the switching means is turned on by the motion of the striking block.