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:
Apr. 22, 2003
Filed:
Jul. 20, 2000
Applicant:
Inventors:
Weidong Zhang, Tengzhou City, Shandong Province, P.R., CN;
Lin Lin, Tenghou, CN;
Fantong Kong, Tengzhou, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27B 1/904 ; B27B 1/300 ;
U.S. Cl.
CPC ...
B27B 1/904 ; B27B 1/300 ;
Abstract
A coping saw includes a housing and a flexible conveyor belt supported by at least three balancing wheels being supported rotatably on said housing. A saw blade is connected with one end of an upper saw blade holding mechanism and one end of a lower saw blade holding mechanism at its two ends respectively. A driving mechanism is driven by a motor and connected to the flexible conveyor belt through a sliding block.