Caster mechanism for carriage

Details Caster mechanism for carriage Caster mechanism for carriage

1991-08-27

1993-03-09

Larson, Lowell A.

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

Casters

Locked

16 38, B60B 3300

Patent

active

051916754

ABSTRACT:
A caster mechanism for a carriage having foot rods a, b includes a stopper mechanism 3 fixedly secured to a lower end of each foot rod. A wheel support mechanism 2 is rotatably positioned below the stopper mechanism, and includes an engagement bracket 1 extending parallel to the stopper mechanism. The engagement bracket has an engagement fitting portion 12 formed at a first end of an arm plate 11 having a predetermined length. The stopper mechanism also has an actuating lever 8 at a first end of a base plate 34 having a predetermined length, which is adapted to turn upwardly and downwardly about an end thereof. An engagement member 7 adapted to turn up and down in operative association with the actuating lever is positioned below the first end of the base plate. The engagement member and the engagement fitting portion are simultaneously engaged or disengaged.

REFERENCES:
patent: 4637093 (1987-01-01), Kassai
patent: 4759098 (1988-07-01), Ko
patent: 4773124 (1988-09-01), Nakao et al.
patent: 4805259 (1989-02-01), Kassai
patent: 4835815 (1989-06-01), Mellwig et al.
patent: 4985960 (1991-01-01), Zun

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