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Pullback motor

Simple clockwork motor used in toy cars

Pullback motor
Summary

Simple clockwork motor used in toy cars

Darda]] model car powered by a pullback motor

A pullback motor (also pull back, pull back and go or pull-back) is a simple clockwork motor used in toy cars. A patent for them was granted to Bertrand 'Fred' Francis in 1952 as a keyless clockwork motor.

Pulling the car backward winds up an internal spiral spring; a flat spiral rather than a helical coil spring. When released, the toy car is propelled forward by the spring. When the spring has unwound and the car is moving, the motor is disengaged by a clutch or ratchet and the car then rolls freely onward.{{Cite web |url-status = dead

Some pullback motors, usually intended for racing in pairs, have used a catch and release mechanism to retain their springs. These may be wound separately, then launched together by releasing their spring triggers. Darda toys use such a mechanism for their Stop'n'Go motor.{{Cite web |url-status = dead

References

References

  1. (2009). "Toy Stories". Conway.
  2. "Keyless device for winding up clockwork mechanism".
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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