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:
Jan. 11, 2000
Filed:
Apr. 29, 1999
Applicant:
Inventor:
Stephen D Sykes, Houston, TX (US);
Assignee:
Stewart and Stevenson Services, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06C / ;
U.S. Cl.
CPC ...
182113 ; 24828111 ; 256 59 ;
Abstract
A platform having a handrail along one side which includes a device that is quick-release, quick-engaging and lift-assisted, and is capable of supporting and retaining a full-sized handrail during normal operations. The present invention comprises a lockable, releasable mechanism that includes a biasing member for assisting in the raising and lowering of the handrail. The locking mechanism is preferably released by means of a foot pedal.