Travelling toy

Details Travelling toy Travelling toy

1990-12-21

1992-10-27

Hafer, Robert A.

Amusement devices: toys

Rolling or tumbling

Including intrinsic motive power means for propulsion

446431, 446441, A63H 1726

Patent

active

051584964

ABSTRACT:
A travelling toy comprising a body, a DC motor mounted on the body and having a rotor, a stator, at least one commutator bar and a brush having a position of contact with the at least one commutator bar; and means for adjusting the position of contact of the at least one commutator bar and the brush relative to the stator.

REFERENCES:
patent: 2537281 (1951-01-01), Roshak
patent: 3159109 (1964-12-01), Braverman
patent: 3398480 (1968-08-01), Tsunoda
patent: 3453970 (1969-07-01), Hansen
patent: 3535821 (1970-10-01), Ieda
patent: 3596397 (1971-08-01), Colletti
patent: 4136485 (1979-01-01), Jones et al.
patent: 4386777 (1983-06-01), Prehodka
patent: 4429488 (1984-02-01), Wessels
patent: 4471418 (1988-05-01), Kaiser
patent: 4940440 (1990-07-01), Russell

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