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. 16, 2002
Filed:
Jan. 25, 2001
Applicant:
Inventors:
Assignee:
SMC Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 1/904 ;
U.S. Cl.
CPC ...
G05B 1/904 ;
Abstract
In an electric hand, a cam member mounted to a drive shaft of an electric motor is provided with a pair of cam grooves and a pair of jaw members and for grasping a workpiece are provided with drive pins fitted to the cam grooves and and a normal or reverse rotation motion of the drive shaft is converted into an opening or closing motion of the jaw members and by the cam member and the drive pins A torque limiter having a friction plate for connecting by a frictional force the drive shaft of the electric motor and the cam member is provided between the drive shaft and the cam member and a torque of the drive shaft transmitted to the cam member is limited by this torque limiter