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:
Dec. 04, 1979
Filed:
Jul. 28, 1977
Applicant:
Inventors:
Kurt Stoll, Esslingen, DE;
Manfred Rudle, Esslingen-Berkheim, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ; F01L / ; F01B / ;
U.S. Cl.
CPC ...
92 / ; 91275 ; 91277 ; 91DI / ;
Abstract
A piston and cylinder device with a piston mounted for reciprocating movement in the cylinder has on the outside of the cylinder an elongated mounting element comprising two guiding members on each of which a limit switch is mounted for positioning longitudinally of the cylinder. The limit switch is formed with a switch blade of ferromagnetic material and the piston has an annular rim constituted of permanent magnetic material. The switches can be adjusted longitudinally for the purpose of adjusting the stroke of the piston.