A pantographic wiper arm assembly (102) comprising a main arm (104) having a spindle bracket (108) for attaching the main arm to a spindle of a drive unit for reciprocating the main arm about a main axis. A wiper attachment (120) is spaced along the main arm from the spindle bracket for attaching a wiper blade to the main arm, wherein the wiper attachment is secured to the main arm to rotate about a wiper axis. An auxiliary arm (106) is rotatably connected at one end to the wiper attachment to rotate relative to the wiper attachment about a first auxiliary axis off-set from the wiper axis. An auxiliary bracket (112) for coupling the auxiliary arm at its other end to the drive unit to rotate relative to the auxiliary bracket about a second auxiliary axis having a fixed offset from the main axis, thereby rotating the wiper attachment about the wiper axis in a pantographic motion as the main arm rotates about the main axis, wherein the auxiliary arm is disposed along the main arm in an at least partially overlapping relationship.
PANTOGRAPHIC WIPER
PANTOGRAFISCHER WISCHER
ESSUIE-GLACE PANTOGRAPHIQUE
2021-03-10
Patent
Elektronische Ressource
Englisch
IPC: | B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen |
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