Swing adjusting to upward its level

Details Swing adjusting to upward its level Swing adjusting to upward its level

1995-08-31

1996-12-03

Nguyen, Kien T.

Amusement devices

Swing

Having hand and foot operator

472118, A63G 916

Patent

active

055803172

ABSTRACT:
A swinger's position elevatory swing is disclosed. The swing lets manual and mechanical elevation of swinger's position by swinger's feet or hands at about the highest position of the swinger and thereby increasing the swinging times due to increased potential energy of the sitting board loaded with the swinger. A fixed sitting board is fixed to the swing ropes and has an arcuate hollow guide pipe and a fixing pipe. A movable sitting board is coupled to the fixed board and has an arcuate slide bar, engaging with the guide pipe of the fixed board, and a support bar. The support bar is pivoted to the fixing pipe of the fixed board by a pivot pin. The length ratio of the opposed portions of the support bar about its moment action point is about 2:3.

REFERENCES:
patent: 3171653 (1965-03-01), Pacuk
patent: 4155548 (1979-05-01), Smith et al.

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