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:
Jun. 25, 2019
Filed:
Dec. 01, 2016
Snap-on Equipment Srl a Unico Socio, Correggio, IT;
Luigi Balsotti, Perugia, IT;
Davide Balugani, Castelfranco Emilia, IT;
Roberto Rosi, Serramazzoni, IT;
Paolo Sotgiu, Modena, IT;
SNAP-ON EQUIPMENT SRL A UNICO SOCIO, Correggio (RE), IT;
Abstract
A pneumatic valve unit for use in a tire changer for selectively connecting at least one pressure source of the tire changer to at least one operating member of the tire changer upon successive operation of at least one pedal of the tire changer, the pneumatic valve unit comprising a pneumatic valve with a valve housing and a plunger axially slidably received in the valve housing, the plunger being operatively coupled to the pedal and movable between at least two predetermined axial positions upon successive operation of the pedal, and a selection mechanism for selectively connecting the pressure source to the operating member upon successive operation of the pedal, wherein the selection mechanism comprises a selector housing for axially slidably receiving the plunger therein, a cam body comprising a plurality of cam surfaces, a spacer body comprising a plurality of spacer surfaces for acting together with the cam surfaces, and a biasing means for biasing the spacer body towards the cam body.