Title: Spring powered swing

Abstract: 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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Other info:

Inventors: Foster, Edwin E. (Austin, TX, US)

Application Number: 867674
Filing Date: 1978-01-09
Publication_date: 1980-01-01
Assignee:
Primary Class(es): 472/119
Other Classes:
US Patent Ref:

803838	Nov, 1906	Mellen	272/86.
2787948	Apr, 1957	Mathis	99/421.
3342484	Sep, 1967	Christensen	272/62.
3692305	Sep, 1972	Allen	272/86.
3806117	Apr, 1974	Foster	272/86.

Other Refs:
Primary Examiner: Pinkham, Richard C.
Assistant Examiner: Brown, T.
Attorney: Kalish & Gilster