A tow pin attachment for tow trucks. The attachment can be removably connected to a tow truck. A tow pin carried by the attachment is movable between operative and inoperative positions. Means on the tow pin lock the attachment to the truck when the tow pin is in operative position.
An apparatus for transmitting force between a tow cart and an in-floor conveyor that includes a pin that pivots out of engagement with the conveyor when the cart meets an obstruction. The motion of the pin when disengaging from the conveyor places another pin in position to engage another drawing position of the conveyor. The pins are movable along their longitudinal axes to follow the profile of the conveyor when moving into and out of engagement with it.
