Swing brake system

Details Swing brake system Swing brake system

1977-06-09

1979-02-06

Pinkham, Richard C.

Undertaking

248370, 248317, A63G 900

Patent

active

041381041

ABSTRACT:
A playground swing mounting system wherein the side supports are at least partially in the form of rigid rods or tubes having their upper ends connected to the crossbar or other stationary mounting element by means of springs. Each spring is enclosed within a short tube rigidly fixed on the stationary element and so proportioned that, at rest, the upper ends of the side supports are drawn by the springs far enough into the short tubes to prevent free movement of the swing seat, thus constituting a brake; the weight of a passenger on the seat extends the springs and pulls the side supports down to a free swinging position.

REFERENCES:
patent: 3149638 (1964-09-01), Small
patent: 3164160 (1965-12-01), Small
patent: 3182673 (1965-05-01), Small

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