# US 11,865,060 B2 · Treatment unit and massage machine > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,865,060 B2 - Document ID: US11865060B2 - Status: Granted - Kind: B2 - Application number: 16/260,819 - Filed: 2019-01-29 - Published: 2019-08-01 - Granted: 2024-01-09 - Earliest claimed: 2018-01-31 - Assignees: Family Inada Co., Ltd. - Applicants: Family Inada Co., Ltd. - Inventors: Nichimu Inada - Web page: https://patentgrep.com/patent/US11865060B2 ## CPC - A61H 15/0078: {power-driven} - A61H 7/004: {power-driven, e.g. electrical} - A61H 7/007: {Kneading} - A61H 9/0078: {with intermittent or alternately inflated bladders or cuffs (mattresses for preventing bed-sores with alternated pressurized chambers A61G7/05776)} - A61H 23/006: {Percussion or tapping massage (hand percussion A61H23/06)} - A61H 23/04: with hydraulic or pneumatic drive {(hydraulic or Pneumatic massages, A61H9/00; underwater massages, A61H33/00)} - A61H 2015/0014: {cylinder-like, i.e. rollers} - A61H 2023/0272: {multiple masses each rotated by an individual motor} - A61H 2201/0103: inflatable - A61H 2201/0149: Seat or chair - A61H 2201/1207: with electric or magnetic drive - A61H 2201/1215: Rotary drive - A61H 2201/1418: Cam - A61H 2201/1427: Wobbling plate - A61H 2201/1436: Special crank assembly - A61H 2201/1481: Special movement conversion means - A61H 2201/149: rotation-linear or vice versa - A61H 2201/1614: Shoulder, e.g. for neck stretching - A61H 2201/1623: Back - A61H 2201/1661: Wobbling interface, e.g. Stewart platform or Hexapod - A61H 2201/1669: moving along the body in a reciprocating manner - A61H 2201/1676: Pivoting - A61H 2201/1678: Means for angularly oscillating massage elements - A61H 2201/5053: mechanically controlled - A61H 2203/0431: in 90°/90°-position, like on a chair - A61H 2205/062: Shoulders - A61H 2205/081: Back - A61H 2205/106: for the lower legs - A61H 2205/108: for the upper legs - A61H: PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy or ultrasound therapy A61N) ## Abstract A treatment unit includes a treatment part including a treatment element, a first drive unit including a swash plate eccentric cam and a second drive unit including an eccentric cam. One of the first drive unit and the second drive unit is connected to the treatment part, and the other one of the first drive unit and the second drive unit is connected to the one of the first drive unit and the second drive unit. ## Claims ### Claim 1 A treatment unit comprising: a treatment part including a treatment element; a first drive unit including a first motor, first reduction gear and a swash plate eccentric cam, a first output shaft of the first motor is connected to the first reduction gear that comprises a treatment output shaft and is configured to rotate the treatment output shaft about a first axis, the treatment output shaft is connected to the swash plate eccentric cam, the first output shaft is configured to rotate the swash plate eccentric cam via the first reduction gear and the treatment output shaft and is configured to oscillate the treatment part in a direction of the first axis; and a second drive unit including a second motor, a second reduction gear and an eccentric cam, a second output shaft of the second motor is configured to rotate the eccentric cam via the second reduction gear about a second axis; wherein the second drive unit is connected to the first drive unit via the eccentric cam of the second drive unit; and wherein the first axis and the second axis are in parallel; and the treatment part is configured to revolve about the second axis. ### Claim 2 (depends on 1) The treatment unit according to claim 1, wherein the swash plate eccentric cam and the eccentric cam each independently include a drive source. ### Claim 3 (depends on 1) The treatment unit according to claim 1, further comprising: a third drive unit configured to move the treatment part, wherein the third drive unit is connected to the first drive unit or the second drive unit. ### Claim 4 (depends on 1) The treatment unit according to claim 1, wherein the treatment element includes a first treatment element and a second treatment element, the first and the second treatment elements are configured to move close to each other or to move away from each other. ### Claim 5 (depends on 4) The treatment unit according to claim 4, wherein a tip portion of the second treatment element is diverged into a plurality of limbs. ### Claim 6 (depends on 1) The treatment unit according to claim 1, wherein a tip portion of the treatment element comprises an inflatable bag. ### Claim 7 (depends on 1) The treatment unit according to claim 1, wherein a distance between an axis of the second shaft and an axis of a cylinder of the eccentric cam is larger than a distance between an axis of the first shaft and an axis of a cylinder of the swash plate eccentric cam. ### Claim 8 (depends on 1) A massage machine comprising: the treatment unit according to claim 1, wherein the treatment part is for use of performing treatment on a shoulder of a treatment receiver. ### Claim 9 (depends on 1) A massage machine comprising: the treatment unit according to claim 1, wherein the treatment part is for use of performing treatment on a back of a treatment receiver. ### Claim 10 (depends on 9) The massage machine according to claim 9, further comprising: a roller that is configured to face the back is formed integrally with the treatment unit, wherein the roller is configured to move upward and downward along the back while the roller is rotated in accordance with an upward and downward movement of the treatment unit.