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US 2009/0023565 A1Published application
Vibra back wave
AssigneeHealth Mark, Inc.
InventorPearl Liang
Life of this patent
Estimating the term…
Abstract
A back stretching device includes a curved cushion having an elongated slot through top and bottom sides thereof, a housing mounted on the bottom side of the curved cushion, a motor mounted in the housing, and a rotating member accommodated in the housing and eccentrically connected with an output shaft of the motor. Thus, the back stretching device of the invention can be used to effectively stretch and relax a user's back muscles.
Claims2
A back stretching device comprising:
- a curved cushion having an elongated slot through top and bottom sides thereof;
- a housing mounted on the bottom side of the curved cushion;
- a motor mounted in the housing;
- and
- a rotating member accommodated in the housing and eccentrically connected with an output shaft of the motor.
2 more elements
Dependencies are inferred from the claim text.