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:
Sep. 23, 1980
Filed:
Jun. 07, 1979
Applicant:
Inventor:
Otmar M Ulbing, Webster, NY (US);
Assignee:
Columbus McKinnon Corporation, Tonawanda, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ; G01M / ;
U.S. Cl.
CPC ...
7313 / ;
Abstract
A self-contained portable test stand for testing hoists and the like both statically and dynamically. The test stand includes a cantilever beam adapted to support a hoist at one end and a hydraulic cylinder at the other. A variable mechanical advantage force transmitting means which may include a chain and chain block is provided to interconnect the hoist and the cylinder. The hydraulic loading of the cylinder is regulated both by a variable relief valve and a variable pressure and flow hydraulic pump which is controlled by a feedback line responsive to the pressure and flow in the system.