Adjustable backboard assembly with drive lock

Details Adjustable backboard assembly with drive lock Adjustable backboard assembly with drive lock

1994-03-21

1995-10-31

Shapiro, Paul E.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

74548, 254 98, 254DIG2, 254DIG3, 411120, A63B 6308

Patent

active

054622697

ABSTRACT:
A lock structure which automatically locks the screw drive upon deactivation of the screw drive and automatically unlocks the screw drive upon activation of the screw drive. The locking structure is responsive to the attaching and detaching of a driver such that the detaching of the driver from an input of the screw drive automatically locks the screw drive and attaching the driver to the input of the screw drive automatically unlocks the screw drive. This is achieved by providing an outer locking surface on the screw drive and a locking plate whose axial position is controlled by the position of the drive and having an aperture for mating with the outer locking surface and locking the screw drive.

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patent: 5156395 (1992-10-01), Smith
patent: 5279496 (1994-01-01), Schroeder

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