Automatic leveling system

Details Automatic leveling system Automatic leveling system

1998-08-06

2000-08-22

Nguyen, Kien T.

Amusement devices

Swing

Motor operated

19450, 472125, A63G 916

Patent

active

061064025

ABSTRACT:
A system for orienting or biasing swings before installation uses a device having a bed adjusted to the desired orientation or bias. The swing is supported from a temporary support by its normal semi-elastic supports which are stretched in a manner to conform to the bias of the bed. In order to obtain the necessary amount of stretching in the semi-elastic support, the swing is forced into the bed during a process in which the bed is moved vertically to facilitate the stretching of the semi-elastic supports.

REFERENCES:
patent: 1066991 (1913-07-01), Brogley
patent: 1548535 (1925-08-01), Lydecker
patent: 3901165 (1975-08-01), Schlesigner
patent: 4304437 (1981-12-01), Longo
patent: 5287610 (1994-02-01), Gomolak et al.
patent: 5573465 (1996-11-01), Kitchen et al.
patent: 5580317 (1996-12-01), Yun

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