Land vehicles – Wheeled – Occupant propelled type
Patent
1993-07-09
1996-02-20
Boehler, Ann Marie
Land vehicles
Wheeled
Occupant propelled type
280304, 280701, 267286, B62H 112
Patent
active
054923549
ABSTRACT:
An apparatus for mounting an auxiliary wheel on a bicycle wheel. A resiliently flexible arm, such as a coil spring, laterally spaces from a wheel of the bicycle a smaller auxiliary wheel. A pintle is connected to the arm at an end remote from the bicycle wheel for mounting the auxiliary wheel for rotation parallel to the rotation of the bicycle wheel. A shank is connected to an end of the resilient arm remote from the pintle for radially offsetting the arm downwardly from an axle of the bicycle wheel, and a bracket mechanism for coupling the shank to the frame at the axle to secure it in fixed relation to the bicycle wheel. Preferably the amount of radial offset can be adjusted to fit one size of the apparatus on at least two of the most popular sizes of children's bicycles, namely 12" and 16" (wheel diameter) bicycles. The radial adjustment can also be used to compensate for variations in tire depth and inflation. The resiliently flexible arm can be a coil spring longitudinally parallel with the pintle, and the pintle and shank are preferably linear extensions of opposite ends of the coil spring.
REFERENCES:
patent: 2450979 (1948-10-01), Moller
patent: 2793877 (1957-05-01), Meier, Jr.
patent: 3642305 (1972-02-01), Pawsat
patent: 4133402 (1979-01-01), Soo Hoo
patent: 4203500 (1980-05-01), Kamiya
patent: 4595213 (1986-06-01), Tsuchie
patent: 4810000 (1989-03-01), Saunders
patent: 5064213 (1991-11-01), Storch
patent: 5100163 (1992-03-01), Egley et al.
Boehler Ann Marie
Tighe Thomas J.
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