Disconnect and storage means for a windshield wiper arm assembly

A windshield wiper arm assembly comprising

• an elongated shaft adapted to oscillate about a longitudinal axis thereof,
• a wiper arm movably mounted on said shaft for selective longitudinal displacement between first and second positions thereon,
• means for normally coupling said wiper arm to said shaft for simultaneous oscillation therewith when said wiper arm is disposed at said first position and for permitting said shaft to oscillate relative to said shaft when said wiper arm is moved to said second position,
• an operator's cab comprising a frame and a windshield mounted on said frame to be moved between opened and closed positions thereon and wherein said wiper arm assembly is mounted on a side of said frame adjacent to said windshield,
• clip means secured on the side of said frame for retaining said wiper arm in the second position thereof on said frame and remote from said windshield retaining means releasable mounted in a groove on said shaft and abutting an outboard end of said wiper arm to retain it in its first position
• on said shaft, and
• a second groove formed on said shaft in axially spaced relationship relative to said first-mentioned groove to retain said wiper arm in its second position.