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. 31, 1995
Filed:
Jun. 24, 1993
Applicant:
Inventor:
Gary G Schwaegerle, Cincinnati, OH (US);
Assignee:
Reliance Medical Products, Inc., Mason, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B / ; A47C / ; A61G / ;
U.S. Cl.
CPC ...
91408 ; 188315 ; 29734419 ;
Abstract
A hydraulically operated piston apparatus including an outer cylinder having an inner telescopically received piston rod. An elongated slot forms a hydraulic fluid outlet through the wall of the cylinder adjacent the closed end of the cylinder. The piston extends from the open end of the cylinder and, in one aspect of the invention, is rigidly secured to an examination chair to provide for vertical adjustment of the chair. One end of the piston is adapted to gradually block the elongated fluid outlet slot to provide for smooth, linear deceleration of the piston to a stop at the end of its stroke.