Patent ID: 8631719

Claim:
A position sensing assembly for a speed changing transmission having a housing defining a compartment provided with a speed selector unit and a wall having an opening communicating with said compartment, comprising: a rod extending through said wail opening, displaceable along the length thereof, connected at an end thereof to said speed selector unit, the rod comprising a first rod portion disposed between said wall and said connection with said unit, the first rod portion comprising a recess, and at least one position transmitter disposed in the recess, wherein the first rod portion of the rod comprising the at least one position transmitter is insertable through the opening, and a second rod portion adjacent to the first portion, the second portion comprising a plastic sleeve, sprayed onto the rod; and an elastic gasket disposed in the plastic sleeve, wherein the rod is movably supported in the plastic sleeve, wherein the sprayed-on plastic sleeve is sealed in the opening by the elastic gasket; at least one position sensor disposed in said compartment, adjacent a line of travel of said rod and operatively connected to a detection circuit, wherein the at least one position transmitter is positionable into and out of excitation relationship with said position sensor upon displacement of said rod along the line of travel thereof.