Patent ID: 7412753

Claim:
A pin apparatus for a walk-behind machine, the pin apparatus comprising: (a) a housing defining an opening for receiving at least a portion of a pin; (b) a pin having an elongated pin body, the pin body having a proximal end section and a distal end section, and the pin body being adapted for positioning at least partially through the opening of the housing where the pin is movable with respect to the housing from an extended position where at least a portion of the distal end section extends to a predetermined extent outside of the opening, and a retracted position where the distal end section is in a retracted position from the predetermined extent; and (c) a handle external from the housing for moving the pin, the handle being rotatable and having a cover portion adapted for movement against a surface below the cover portion, the pin being movable between the extended position and the retracted postition by rotation of the handle.