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:
Oct. 03, 2000
Filed:
Feb. 05, 1999
Applicant:
Inventors:
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66D / ;
U.S. Cl.
CPC ...
254344 ; 254362 ;
Abstract
In a hoisting winch, a winding drum is arranged in an outer peripheral portion of a motor portion, a braking unit and an encoder are arranged on one end side of a rotor axis of the motor portion, an internal gear is fitted to an inner diameter area of the winding drum, a reduction mechanism in which planet gears are arranged between a sun gear and the internal gear is provided, the reduction mechanism, the braking unit, and the encoder are arranged in a coaxial fashion, and a wire rope fitting groove is provided on the winding drum on the braking unit side.