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. 30, 1979
Filed:
Dec. 06, 1977
Applicant:
Inventors:
Akira Miyagi, Inazawa, JP;
Kazutoshi Ohta, Inazawa, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B66B / ; B66B / ;
U.S. Cl.
CPC ...
187 / ;
Abstract
A traction machine of a traction type elevator with a detector operable at occurence of abnormal car traveling. The traction machine includes a painting system to operate at the necessary time to paint the traction surface of a traction sheave of the elevator and at least one of main ropes near the traction sheave with a friction increasing material. It may include a foreign material remover to operate at the necessary time to rub the traction surface of the traction sheave. The painting system and the foreign material remover are driven through the operation of the detector.