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:
May. 26, 1992
Filed:
Nov. 12, 1991
Applicant:
Inventors:
Chang-Min Yang, Tainan, TW;
Chun-Mei Chou, Tainan, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B27B / ; B23D / ; A61F / ; A61F / ;
U.S. Cl.
CPC ...
301663 ; 30370 ; 128317 ; 606172 ;
Abstract
An electric plastic cast saw control system for cutting off of plastic cast composed of an inner layer of absorbent cotton and an outer layer formed by hardened covering material including a thin conductive plate placed between the inner layer and the outer layer so that a relay device is triggered to cut off power supply to electric saw on the instant the saw gets contact with the thin conductive plate and consequently stop the electric saw instantaneously, and a reset device to resume power supply to the electric saw automatically or manually after cutting off of the power source.