Drive for rocking furniture

Details Drive for rocking furniture Drive for rocking furniture

1995-06-06

1996-11-12

Sircus, Brian

Electricity: motive power systems

With particular motor-driven load device

Power- or motion-transmitting mechanism

318127, 318282, 318286, 5109, 2972601, A47C 302

Patent

active

055743390

ABSTRACT:
A piece of furniture has a frame and a part capable of rocking on the frame at a natural rocking frequency. A drive has a sensor for detecting movement of the part on the frame, a drive motor connected between the frame and the part for rocking the part on the frame, and a controller connected between the drive and sensor for rocking the part on the frame at the natural rocking frequency up to a predetermined maximum angular displacement of the part on the frame. The sensor detects angular movement, that is angular speed, angular position, and/or angular acceleration of the part on the frame. The controller has a response field and operates the drive in accordance therewith.

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patent: 5103511 (1992-04-01), Sequin
patent: 5303433 (1994-04-01), Jang
patent: 5368361 (1994-11-01), Wen-Ming

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