Patent ID: 8127883

Claim:
A safety interlock system and hand operated vehicle acceleration control device assembly, comprising: a bearing block having a first aperture and a second aperture; a control device including a rotating shaft and a lever operatively connected to the rotating shaft at a first end portion of the rotating shaft, the rotating shaft being rotatable about a first axis for controlling vehicle acceleration, the rotating shaft being a unitary, one-piece, integral member and extending through the first aperture of the bearing block; an aperture formed in the rotating shaft; a locking member disposed in the second aperture of the bearing block and having an elongate body portion disposed along a second axis, the locking member being selectively movable along the second axis and including a lock end portion and an activation end portion, the lock end portion being adapted to be releasably received in locking engagement by the aperture, the rotating shaft being non-rotatable at the first end portion and at a second end portion of the rotating shaft when the aperture receives the locking member; and an activating device secured to the activation end portion for moving and positioning the locking member at preselected positions along the second axis.