Caster

Details Caster Caster

1984-07-12

1985-10-01

Schran, Donald R.

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

Casters

Locked

16 44, B60B 3302

Patent

active

045436851

ABSTRACT:
A cast with an inherent function of automatically changing the direction of a wheel (11) is selectively stopped. A severe shock applied to the wheel (11) cancels the lock on the wheel (11) against the change of direction. In response to such shock, a wheel attaching member (12) is turned around the axis of a pivot shaft (13), whereby a key member (20) held by the wheel attaching member (12) escapes from a fitting recess (29a or 29b) formed in a fixed bushing (27). As a result, the rotary bracket (4) is allowed to rotate around the vertical shaft (5).

REFERENCES:
patent: 1633638 (1927-06-01), Jarvis et al.
patent: 2458922 (1949-01-01), Andersen
patent: 4028773 (1977-06-01), Morgan
patent: 4336629 (1982-06-01), Jarvis, Jr. et al.
patent: 4349938 (1982-09-01), Fontana

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