Retractable castor mechanism

Details Retractable castor mechanism Retractable castor mechanism

1977-01-10

1978-03-07

Newton, Dorsey

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Casters

Leg elevators

16 44, B60B 3306

Patent

active

040770869

ABSTRACT:
A retractable castor mechanism for attachment to an article of furniture or other heavy object including a castor shank that is rotatably received by a socket of a retaining member. A mainspring biases the retaining member and the castor downwardly, and a latch pin is engageable with the retaining member to latch the castor against the force of the spring in an inoperative retracted position. The latch is operated by a releasing lever having a foot portion that rests against the floor, so that a slight push of the article across the floor causes the latch pin to disengage the retaining member, allowing the castor to descend to an operative position.

REFERENCES:
patent: 1064244 (1913-06-01), Neugebauer
patent: 3121556 (1964-02-01), Faulkner
patent: 3441974 (1969-05-01), Dean

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