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. 19, 1981
Filed:
Jul. 02, 1979
Applicant:
Inventors:
Gary Hodapp, Mankato, MN (US);
Richard Peterson, Le Sueur, MN (US);
Richard Schulz, Lake Crystal, MN (US);
Assignee:
Hiniker Company, Mankato, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
F15B / ; F16H / ;
U.S. Cl.
CPC ...
91404 ; 91445 ; 91453 ; 7410 / ; 74106 ; 74520 ;
Abstract
A manually operable position lock for a hydraulic actuator (10) adding a cylinder (20) and a piston rod (22) with a stop finger (61) for actuating a push rod (60) to close a valve (32) and prevent fluid egress from the cylinder. The lock includes a pivot bracket (110) carried by a push rod, a control lever (111) pivoted to the pivot bracket, a link (114) pivoted to the control lever and slidably receiving the push rod, and a helical spring (120) carried by the push rod and engaging one end of the link.