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 (50) axially slidably received in the valve housing, the plunger (50) 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 (100) for selectively connecting the pressure source to the operating member upon successive operation of the pedal, wherein the selection mechanism (100) comprises a selector housing (110) for axially slidably receiving the plunger (50) therein, a cam body (130) comprising a plurality of cam surfaces, a spacer body (150) comprising a plurality of spacer surfaces for coacting with the cam surfaces, and a biasing means (180) for biasing the spacer body (150) towards the cam body (130).
PNEUMATIC VALVE UNIT
PNEUMATISCHE VENTILEINHEIT
ROBINET À COMMANDE PNEUMATIQUE
2018-06-06
Patent
Electronic Resource
English
PNEUMATIC CONTROL VALVE SET, PNEUMATIC MASSAGE CONTROL VALVE AND MULTIPLE PNEUMATIC CONTROL UNIT
European Patent Office | 2022
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