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. 05, 1978
Filed:
Aug. 29, 1977
Applicant:
Inventor:
Morris D Robinson, Redondo Beach, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60P / ;
U.S. Cl.
CPC ...
214 / ;
Abstract
A platform lift mountable to structures such as trucks or loading docks, which lift includes a platform that can be raised and lowered while horizontal and can be tipped to an upright raised position. The platform is carried by a compound hinge that includes parallelogram means which in one parallelogram configuration raises and lowers the platform in a horizontal alignment, and which when it encounters selective restraint means, assumes a different parallelogram configuration in which the platform is raised to an erect alignment.