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. 21, 1985
Filed:
Mar. 22, 1983
Applicant:
Inventor:
Kazuyoshi Yasukawa, Nagano, JP;
Assignee:
Kabushiki Kaisha Sankyo Seiki Seisakusho, Nagano, JP;
Primary Examiner:
Int. Cl.
CPC ...
B25J / ;
U.S. Cl.
CPC ...
414-4 ; 901 16 ; 901 21 ; 901 23 ; 414589 ;
Abstract
A head for an industrial robot comprising, a head body mounted on an end of an arm of the industrial robot, an internal motor, a nut member and a guide member rotatably supported by the head body. A belt drive device is provided between the motor and the nut member. A screw rod passes through and threadedly engages with the nut member. A spline shaft has at a lower end an operating chuck. A connecting device connects the screw rod and the spline shaft to each other in a sealable manner and slide members for preventing rotation of the screw rod. A fluid is supplied to operate the chuck through passages formed in the screw rod and the spline shaft.