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:
Dec. 14, 2010
Filed:
Aug. 05, 2003
Naoki Hashiguchi, Tokyo, JP;
Naoki Hashiguchi, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An elevator hoist apparatus includes a stationary frame member, a main shaft, a stationary element disposed to said stationary frame member, a rotary frame member supported on said main shaft and extending in a radial direction in axial opposition to said stationary frame member, a rotary element disposed to said rotary frame member in opposition to said stationary member, a brake unit including a brake portion extending through an opening in said stationary frame member, and a rope sheave disposed to said rotary frame member for rotation therewith. The brake unit includes a brake portion disposed in a hollow portion of the stationary frame member of the stationary member and extending through the opening portion and disposed to the inner circumference of the stationary frame member or the rotary frame member. The magnetic path for the brake unit extends through one portion of the rotary frame member or the stationary frame member. Small-size and high performance are realized.