摘要 |
A spring powered swing incorporating a frame supporting a swing seat for to and fro movement, a spring motor assembly within a sealed enclosure and having a male coupling head detachably engageable with a female component formed on said swing; there being a crank-controlled escapement provided with said spring motor assembly productive of incremental release of power stored in said spring. The swing seat support and the escapement crank are operatively detachably interengageable.
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