Battery powered toy train

Details Battery powered toy train Battery powered toy train

1994-02-03

1995-06-27

Hafer, Robert A.

Amusement devices: toys

Rolling or tumbling

Including intrinsic motive power means for propulsion

446447, 446138, 104DIG1, A63H 1928, A63H 3326

Patent

active

054275610

ABSTRACT:
A self-propelled toy train engine for pulling a train of wooden railroad cars over a variety of surfaces including a child safe magnetic coupling for connecting the engine to the railroad cars, high traction drive wheels for being propelled over a variety of surfaces, a gear train which disengages from the drive axle given a predetermined force. The train engine is weighted to provide added traction for propelling the train set over smooth surfaces and a low center of gravity for stabilizing the engine when propelling the train set over rough surfaces such as carpeting.

REFERENCES:
patent: 1708969 (1929-04-01), Gill et al.
patent: 2607157 (1952-08-01), Smith
patent: 2645878 (1953-07-01), Johnson
patent: 2939245 (1960-06-01), Orel
patent: 3330066 (1967-07-01), Crawford
patent: 3479765 (1969-11-01), Pankow
patent: 3538640 (1970-11-01), Hayes et al.
patent: 3850310 (1974-11-01), Osthall
patent: 4838828 (1989-06-01), Ohnuma et al.
patent: 5297982 (1994-03-01), Filoseta

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