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:
Mar. 23, 1993
Filed:
Jul. 15, 1992
Applicant:
Inventors:
Young S Yoo, Avon, CT (US);
John K Salmon, South Windsor, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 67 ; 187 75 ;
Abstract
An elevator pit buffer assembly includes a pair of pistons which are mounted in the pit outboard of each side of the cab and counterweight. Each of the buffer pistons is equipped with a sheave joined at the upper end thereof. Ropes are reeved about each buffer sheave pair and extend between the sheaves in each pair beneath the bottom of the cab and counterweight. The ends of each of the buffer ropes are dead-hitched to the floor or wall of the pit.