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:
Nov. 30, 1982
Filed:
Jul. 02, 1980
Applicant:
Inventors:
Arata Koroyasu, Tatsuno, JP;
Hiroshi Takenaka, Himeji, JP;
Assignee:
Kabushiki Kaisha Nihon Gijutsu Center, Himeji, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47G / ;
U.S. Cl.
CPC ...
254200 ; 173117 ;
Abstract
A carpet stretcher device comprising a body case having a handle fixed to the upper surface thereof, an electromagnetic coil axially installed in the body case, a plunger axially slidably fitted in the inner surface of the electromagnetic coil and normally urge rearwardly by a spring, and a spindle fixed to the rear end of an engaging head for engagement with carpets and axially slidably fitted in the front end of the body case, the arrangement being such that upon energization of the electromagnetic coil the plunger is advanced to strike the rear end of the engaging head with its front end.