Push-pull swing

Details Push-pull swing Push-pull swing

1983-01-24

1986-02-18

Hafer, Robert A.

Undertaking

A63G 900

Patent

active

045709289

ABSTRACT:
This swing, through a backward and forward motion by the user, serves to provide amusement and excellent exercise for children and adults. Primarily, it consists of a vertical frame, including a handle bar and a foot rest bar for its operation. It also includes a pair of joined and hinged horizontal bars with a pair of seats, and it is supported by ropes. It further includes fasteners for its adjustment in length and height.

REFERENCES:
patent: 217465 (1879-07-01), Lashorne
patent: 334965 (1886-01-01), McCorkle
patent: 1412723 (1922-04-01), Toal
patent: 1434434 (1922-11-01), Eycleshymer
patent: 1888587 (1932-11-01), De Penning
patent: 2256955 (1941-09-01), Stevens
patent: 2358098 (1944-09-01), Pippin
patent: 2900010 (1959-08-01), Oliver

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