A linkage (100, 200) having a plurality of small angle links (114, 116; 208, 212) with axes of rotation directed to a single point to allow movement of an recipient object without moving the point of action of an applied force (F).

An elevation device used in the performance of cardiopulmonary resuscitation (CPR) and after resuscitation includes a base and an upper support operably coupled to the base. The upper support is configured to incline at an angle relative to the base to elevate an individual's upper back, shoulders and head. The elevation device includes a support arm coupled with the upper support. The support arm is movable to various positions relative to the upper support and is lockable at a fixed angle relative to the upper support such that the upper support and the support arm are movable as a single unit relative to the base while the support arm maintains the angle relative to the upper support. The elevation device also includes a chest compression device coupled with the support arm. The chest compression device is configured to compress the chest.

A personal massage apparatus employs a single motor to selectively provide the dual action of either a vibrating massage or a percussive massage. Two sprag bearings are mounted on the drive shaft of the electric motor, with the sprag bearings being oriented such that the first sprag bearing is driven when the drive shaft rotates counter-clockwise, and the second sprag bearing is driven when the drive shaft rotates clockwise. The first sprag bearing has an eccentric weight coupled thereto such that vibration for a vibrational massage is caused when the motor rotates counter-clockwise. The second sprag bearing has crankshaft and crank pin coupled thereto, driving a connecting rod in reciprocating motion to drive a percussive massage head when the motor rotates clockwise. A counterbalance on the crankshaft minimizes vibration when the percussion action is selected.

An elevation device used in the performance of cardiopulmonary resuscitation (CPR) and after resuscitation includes a base and an upper support operably coupled to the base. The upper support is configured to incline at an angle relative to the base to elevate an individual's upper back, shoulders and head. The elevation device includes a support arm coupled with the upper support. The support arm is movable to various positions relative to the upper support and is lockable at a fixed angle relative to the upper support such that the upper support and the support arm are movable as a single unit relative to the base while the support arm maintains the angle relative to the upper support. The elevation device also includes a chest compression device coupled with the support arm. The chest compression device is configured to compress the chest.

A portable and kinetic motion resistance upper body invention that can be used for a variety of exercises. This invention combines dial tension adjustment clutch sheaves, a variable linear tract bearing and a one piece resistance shock-cord, together these core components achieve a unique minimal impact work-out. The multi-motion and changeable adjustments for this invention, result in a wide variety of muscular stimulation and therapeutic exercises that are non-existent in the fitness and health industry. The outcome of the mechanism can be customized for a particular sport requirement or physio and other therapeutic restorations, or even for case specific industrial and robotic counter-balancing controls. This invention is can also be used as a lift-assist device.

Provided is a massage module and a massage device including same. The massage module may include: a procedure member including an upper finger member and a lower finger member cooperating with the upper finger member; and a cam driving part connected to the upper finger member so as to move the upper finger member in the vertical direction, so that the upper finger member and the lower finger member are away from or close to each other.

The present disclosure discloses a vibration motor, and a rhythm device, a rhythm mattress, a rhythm sofa and a rhythm deck chair including the vibration motor, including a housing, a motor provided in the housing, a coupler and a vibration assembly, wherein the vibration assembly includes a rotating shaft and an eccentric block connected with the rotating shaft and eccentrically provided, the rotating shaft and the power output shaft of the motor are coaxially provided and are in transmission connection through a coupler; a bearing is fixed on the inner wall of the housing, the rotating shaft penetrates into the bearing and is rotatably connected with the bearing, and the motor is fixedly provided with the inner wall of the housing. The present disclosure is simple in structure, stable and efficient in transmission, the rotating shaft and the motor are coaxially provided and can stably transmit vibration, and the whole vibration of the vibration motor is regular and stable. Compared with the prior art, the vibration stability is improved to a certain extent, and the vibration intensity is guaranteed so as to provide effective massage, relieve human fatigue and effectively promote people to quickly enter deep sleep.

An accessory (10) for an electric toothbrush head (18) includes a body (12) in which the shank (22) of the toothbrush head (18) is receivable, and a cap (14) that can lock to hold the toothbrush head (18) captive in the body. The accessory (10) includes a second receiving formation that can be a rotor (16) or can be integrally formed with the body (12). The second receiving formation has a recess (52) in which the bristle part (20) is receivable to transfer oscillating movement to the accessory (10), so that the at least part of the accessory (10) gently vibrates and can be used as a massager.

A self-contained reciprocation mechanism is coupleable within an enclosure of a percussive massage device and is configured to receive an applicator head for stimulating a user's muscles. The self-contained reciprocation mechanism includes a spatial positioning bracket, a semi-cylindrical bracket, a piston, a motor, a crank, and a reciprocation linkage. The spatial positioning bracket is configured to receive the other interconnected components of the self-contained reciprocation mechanism and position said components relative to each other at close predetermined tolerances to assure that the interconnected components are properly positioned to provide consistent operating characteristics. The self-contained reciprocation mechanism is coupled within the enclosure using screws which extend through mounting tabs of the spatial positioning bracket.

Disclosed is a massage apparatus including oscillators which receive supplied power and oscillate under control of a controller. Here, two oscillators installed to allow oscillation directions thereof to be at right angle are included, and the controller sequentially controls power supplied to the two oscillators to perform oscillations in an order of a bowel movement direction.