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. 18, 1997
Filed:
Jul. 07, 1995
Young S Yoo, Avon, CT (US);
Joseph C Walker, Avon, CT (US);
Otis Elevator Company, Farmington, CT (US);
Abstract
A hitch assembly is disclosed for an elevator car suspended by hoist ropes and driven by a drive sheave. The hitch assembly having a hitch plate with openings for thimble rods, wherein geometrical planes bisecting the openings for the thimble rods are substantially coplanar with geometrical planes bisecting hoist rope grooved recesses in the drive sheave. Another feature of the present invention is a vibration isolation assembly for fastening the hitch plate to a mounting plate fixed to the elevator car, wherein the vibration isolation assembly isolates vibrations transmitted to the elevator car from the hoist ropes. Still another feature of the hitch assembly is a rope tension equalization assembly for fastening the hoist ropes to the hitch plate, wherein the rope tension equalization assembly equalizes tensions among the hoist ropes.