Braking device for a self-orientatable twin-wheel

Details Braking device for a self-orientatable twin-wheel Braking device for a self-orientatable twin-wheel

1994-10-31

1997-05-27

Oberleitner, Robert J.

Brakes

To retard rolling of caster

16 35R, B60B 3300

Patent

active

056323603

ABSTRACT:
Braking device for a self-orientating twin castor composed of two wheels which are rotatably mounted at the opposite ends of a spindle that is driven through a seat of a support which is composed of a vertical wall that lies between the wheels and in which a cylindrical recess is formed with a vertical axis that is eccentric with respect to the spindle. The recess is open in an upward region for the engagement of a pivot for mounting the castor in a piece of furniture, and a lever element is provided which can be coupled to the wall so that it can oscillate between two positions about an axis that is parallel to the spindle. The lever element includes an arm for blocking the wheels, which lies between the wheels, and an actuation arm, which can be accessed by a user. A retention structure is furthermore provided for retaining the lever element in the two positions, while the blocking arm is suitable to block the rotation of the wheels in one of the two positions and to allow their rotation in the other one of the two positions.

REFERENCES:
patent: 4333207 (1982-06-01), Atwood
patent: 4911269 (1990-03-01), Perl
patent: 5368133 (1994-11-01), Yang
patent: 5371921 (1994-12-01), Roe

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