Automatic pendulum-drive system

A - Human Necessities – 63 – G

Patent

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Details

A63G 9/16 (2006.01) A47D 13/10 (2006.01)

Patent

CA 2264142

A swing (10) includes a swing motor (62) and an adaptive control system (20) for periodically actuating the swing motor (62) to sustain swinging pendulum movement of a seat (18) along a swing arc in a manner that is compatible with the natural frequency (and period) of the seat (18). The swing (10) further includes a support stand (12) and a swing seat frame (14) mounted on the support stand (12) to carry the seat (10). The adaptive control system (20) includes an impulse mechanism (56) that applies a torque to the swing seat frame (14) and that is actuated at a variable point along the swing arc between first and second extreme positions and without regard to the position of the swing seat frame (14) relative to the support stand (12).

Cette invention se rapporte à une balançoire (10) qui comprend un moteur de balançoire (62) et un système de commande adaptatif (20) servant à actionner périodiquement le moteur de balançoire (62), afin de soutenir le mouvement de pendule d'un siège (18) se balançant le long d'un arc de balancement, d'une façon qui soit compatible avec la fréquence naturelle (et la période) du siège (18). Cette balançoire (10) comprend en outre un bâti de support (12) et une structure de siège de balançoire (14) montée sur le bâti de support (12), afin de porter le siège (10). Le système de commande adaptatif (20) comporte un mécanisme d'impulsion (56) qui applique un couple à la structure du siège de balançoire (14) et qui est actionné au niveau d'un point variable le long de l'arc de balancement entre des première et seconde positions extrêmes et sans tenir compte de la position de la structure (14) du siège de la balançoire par rapport au bâti de support (12).

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