Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters – Detachable
Patent
1988-05-16
1989-07-18
Silverberg, Fred A.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Casters
Detachable
16 35R, 16 36, 16 44, 280 4738, B60B 3302
Patent
active
048479454
ABSTRACT:
An improved wheel attachment mechanism for securing wheels to a child vehicle, such as a stroller or a carriage. The mechanism comprises a leg attachment member which is removably securable to a leg of the vehicle. An intermediate housing is removably secured to the leg attachment member and has a support surface for mating frictional engagement with an abutment wall of the leg attachment member to form a swivel joint to permit swivelling of the leg attachment member about a swivel post. The swivel joint is protected by an inverted cup member. A wheel axle housing is also removably secured to a suspension portion of the intermediate housing whereby the entire attachment mechanism may be dimantled by removable fasteners for servicing or repair of the wheel attachment mechanism.
REFERENCES:
patent: 1232688 (1917-07-01), Johnson
patent: 2847696 (1958-08-01), Kramcsak, Jr.
patent: 3758917 (1973-09-01), Schroer
patent: 4494271 (1985-01-01), Perlin et al.
patent: 4575896 (1986-03-01), Nakao et al.
patent: 4608729 (1986-09-01), Huang
patent: 4731899 (1988-03-01), Huang
Hall David
Schwartz Leo
Dorel Industries Inc.
Silverberg Fred A.
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