초록 ▼

A bed assembly (1) has a stationary frame (2), which sits on a floor and supports the entire bed assembly. A central frame (4) moves in a first horizontal direction relative to the stationary frame, and is moveably supported by the stationary frame. An outer frame (8) moves in a second horizontal di

A bed assembly (1) has a stationary frame (2), which sits on a floor and supports the entire bed assembly. A central frame (4) moves in a first horizontal direction relative to the stationary frame, and is moveably supported by the stationary frame. An outer frame (8) moves in a second horizontal direction relative to the second frame, and is moveably supported by the second frame.

대표청구항 ▼

1. A bed assembly (1) comprises: a stationary frame (2), which sits on the floor and supports the entire bed assembly;a second frame (4), is configured to continuously oscillate in a first horizontal direction relative to the stationary frame, and is moveably supported by the stationary frame;a thir

1. A bed assembly (1) comprises: a stationary frame (2), which sits on the floor and supports the entire bed assembly;a second frame (4), is configured to continuously oscillate in a first horizontal direction relative to the stationary frame, and is moveably supported by the stationary frame;a third frame (8), which is configured to continuously oscillate in a second horizontal direction relative to the second frame, and is moveably supported by the second frame;the second frame (4) hangs from the stationary frame (2) using four swing arms (6a);the second frame hangs outside the stationary frame (2), between the stationary frame (2) and the third frame (8);the four swing arms each describe an arc movement, and the second frame is gravity-biased to hang at the bottom of said arc;the third frame hangs from the second frame using a second four swing arms (6b)the second four swing arms each describe an arc movement, and the third frame is gravity-biased to hang at the bottom of said arc. 2. A bed assembly according to claim 1, in which: a first powered actuator is configured to oscillate the second frame (4) in the first horizontal direction relative to the stationary frame;a second powered actuator is configured to oscillate the third frame (8), in the second horizontal direction relative to the second frame;said gravity bias of the second and third frames, at the bottoms of all said arcs, serve to facilitate oscillatory motion of said frames by assisting a return of said frames to the bottoms of said arcs; andall eight said arcs together add a vertical component to the oscillatory motion of said second and third frames. 3. A bed assembly according to claim 2, in which: the third frame (8), supports a box spring and a mattress. 4. A bed assembly according to claim 1, in which: a first powered actuator is configured to oscillate the second frame (4), in the first horizontal direction relative to the stationary frame; anda second powered actuator is configured to oscillate the third frame (8), in the second horizontal direction relative to the second frame;the third frame (8), supports a box spring and mattress. 5. A bed assembly according to claim 4, in which: the first and second powered actuators (71A & 71B) are electric servos (74A). 6. A bed assembly according to claim 2, in which: the first and second powered actuators (71A & 71B) are electric servos (74A). 7. A bed assembly according to claim 2, in which: the first and second powered actuators are hydraulic cylinders. 8. A bed assembly according to claim 4, in which: the first and second powered actuators are hydraulic cylinders. 9. A motion bed according to claim 4 having: a hand held unit (54);said hand held unit has: a four channel transmitter circuit (56);four buttons (58) to control the actuators; anda variable resistor (60) for controlling the first and second powered actuators' speed. 10. A bed assembly (1) comprises: a stationary frame (2), which sits on the floor and supports the entire bed assembly;a second frame (4), is configured to oscillate in a first horizontal direction relative to the stationary frame, and is moveably supported by the stationary frame;a third frame (8), which is configured to oscillate in a second horizontal direction, relative to the second frame, and is moveably supported by the second frame;the second frame (4) hangs from the stationary frame (2) using four swing arms (6a), which swing in parallel to each other;the third frame hangs from the second frame using a second four swing arms (6b), which swing in parallel to each other;the second frame hangs outside the stationary frame (2), between the stationary frame (2) and the third frame (8);the four swing arms each describe an arc, and the second frame is gravity-biased to hang at the bottom of said first four arcs;the second four swing arms each describe an arc, and the third frame is gravity-biased to hang at the bottom of said second four arcs;said gravity bias of the second and third frames, at the bottoms of all said arcs, is configured to facilitate oscillatory motion of said second and third frames, by assisting a periodic return of said frames to the bottoms of said arcs;a first powered actuator is configured to oscillate the second frame (4), in the first horizontal direction relative to the stationary frame; anda second powered actuator is configured to oscillate the third frame (8), in the second horizontal direction relative to the second frame;the first four arcs are configured to add a first vertical wave to the oscillatory motion of said second and third frames;the second four arcs are configured to add a second vertical wave to the oscillatory motion of said third frame;the third frame (8), supports a mattress. 11. A bed assembly according to claim 10, in which: the first and second powered actuators are hydraulic cylinders. 12. A bed assembly according to claim 10, in which: the first and second powered actuators (71A & 71B) are electric servos (74A). 13. A motion bed according to claim 12 having: a hand held unit (54);said hand held unit has: a four channel transmitter circuit (56);four buttons (58) to control the actuators; anda variable resistor (60) to control the first and second powered actuators' speed.