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:
May. 04, 1976
Filed:
Aug. 16, 1974
Applicant:
Inventor:
Richard E Atkey, Memphis, TN (US);
Assignee:
Dover Corporation, Memphis, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ; B66B / ;
U.S. Cl.
CPC ...
187 17 ; 187 / ; 187 95 ;
Abstract
An hydraulic elevator installation for vertically transporting an elevator cab up and down in a hoistway comprises a piston fixedly mounted in a vertical position in the hoistway and a lifting frame for carrying the elevator cab. The lifting frame includes a cylinder forming a vertical support member of the lifting frame and slidably mounted about the piston for vertical reciprocating movement thereon.