Reversing switch for motor vehicle transmission

Claim 1

A direction-selection switch for an electrohydraulic transmission comprising: a housing; a unitarily molded one-piece switching lever having a body received in said housing and formed with: at least one pair of cams on opposite sides of said body, an arm extending from said housing and actuatable to swing said lever, means on said body journaling said lever on said housing, and a guide adapted to receive an indexing member for releasably positioning said lever in a plurality of selected positions; and respective switches in said housing connectable with said transmission and actuatable by said cams selectively in said positions, said journaling means including a pair of pins molded on said body and defining a pivot axis for said lever, said housing being formed by a pair of half shells joining at a parting plane and each having a bore receiving one of said pins, said housing being formed with a slot in an arcuate wall along said plane through which said arm extends, and a shutter in the form of a sheet strip carried by said arm within said housing, sliding on said arcuate wall and sealing said slot in a dust-tight manner in all positions of said arm, said indexing member being a single ball aligned with said arm, said guide being formed as a bore receiving a compression spring and a disk biasing said ball against a further wall of said housing opposite said arcuate wall and formed with recesses in which said ball can be received.