Patent ID: 8622941

Claim:
A hand-held massage device comprising: a control handle, a first engaging member, an second engaging member, a gripping section, a casing, a rotation disk and a massage member; wherein the control handle is an extended hollow rod providing a containment space for the first engaging member, one end of the control handle having an enlarged portion and another end capable of accepting the second engaging member; the first engaging member has a screw rod and has a spiral slot around a periphery of the screw rod and a sleeve respectively extending from both ends; the second engaging member has a threaded hole with a spiral slot, the threaded hole engaging with the screw rod of the first engaging member when the second engaging member is secured onto the control handle; the gripping section is a hollow tube and has an inner diameter substantially equal to an outer diameter of the control handle and the second engaging member, such that the control handle is capable of being disposed in the gripping section and sliding inside of the gripping section; the casing is installed onto another end of the gripping section opposite the end accepting the control handle, and has a first bearing containment space for accepting a first bearing at a central position on a front side, the first bearing containment space having a through aperture for allowing the sleeve of the first engaging member to be connected to the rotation disk; the rotation disk has a socket at a central position on a side for accepting and securing the sleeve, a second bearing containment space formed at an eccentric position on another side, and after a second bearing is placed in the second bearing containment space, a cover is placed to close the space, and the second bearing containment space further has a through hole; and the massage member is cup-shaped, a raised portion is formed at a central position of an end, the raised portion further having a securing knob placed through the cover and screwed with a corresponding screw at an end adjacent to the through hole, such that the raised portion of the massage member is secured onto the cover; wherein a flange is inwardly formed at an open end of the massage member, the flange providing a curved and smooth massage surface and a predetermined space is formed between the massage surface and a bottom of the massage member.