Scrum machine

Details Scrum machine Scrum machine

1996-05-28

1998-04-28

Pierce, William M.

Games using tangible projectile

Playing field or court game; game element or accessory...

Practice or training device

473445, A63B 6700

Patent

active

057438218

ABSTRACT:
A scrum machine with an articulated head formed of an extendable actuator arm mounted on the forward end of the scrum machine and extending upwardly from the ground, and preferably extending forwardly as well, with a pad carrying forward thrusting ram pivotally mounted on a pivot on the extendable actuator arm and locatable in selected angular positions about the pivot. An angle actuator controllably changes the angular position of the forward thrusting ram about the pivot. The angle actuator is pivotally attached to an end of the forward thrusting ram remote from the pad and pivotally mounted on the extendable actuator arm. A scrum machine having a movable pad carrying head is provided with a ground engaging base that includes a front wheel mounted on the forward end of the frame and a rear wheel or wheels mounted for steering about a substantially vertical axis on the rearward end of the frame. Steering of the rear wheel or wheels is controlled by a steering actuator. The rear wheel or wheels are braked, according to one aspect of the invention, by an adjustable resistance brake controlled by a braking actuator.

REFERENCES:
patent: 2644334 (1953-07-01), Perry
patent: 3458192 (1969-07-01), Trice
patent: 4844459 (1989-07-01), Francis et al.
patent: 5474290 (1995-12-01), Rascona et al.

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