Massage chair having concealable leg massage unit

• US 7,824,349 B2
• Filed: 04/07/2006
• Issued: 11/02/2010
• Est. Priority Date: 09/09/2005
• Status: Expired due to Fees

• Current Assignee: Daito-Osim Healthcare Appliance Company Limited
• Original Assignee: Daito-Osim Healthcare Appliance Company Limited
• Inventors: Lv, Shu
• Primary Examiner(s): DEMILLE, DANTON D
• Application Number:
  US11/399,652
• Publication Number:
  US 20070060850A1
• Time in Patent Office: 1,670 Days
• Field of Search: 601/49, 601/24, 601/86, 601/90, 601/93, 601/98, 601/101, 601/104, 601/115, 601/116, 601/133, 601/134, 297/423.2, 297/423.21, 297/423.28, 297/423.22
• US Class Current: 601/98
• CPC Class Codes: A61H 2201/0149 Seat or chair
• CPC Class Codes: A61H 2201/0161 Size reducing arrangements when not in use, for stowing or transport
• CPC Class Codes: A61H 2201/1623 Back
• CPC Class Codes: A61H 2201/1628 Pelvis
• CPC Class Codes: A61H 2201/1635 Hand or arm, e.g. handle hand-held, A61H2201/0153; fore-arm support, A61H2003/006
• CPC Class Codes: A61H 2201/164 Feet or leg, e.g. pedal
• CPC Class Codes: A61H 2203/0431 in 90°/90°-position, like on a chair
• CPC Class Codes: A61H 2205/10 Leg
• CPC Class Codes: A61H 7/007 Kneading

Abstract

The present invention reveals a massage chair having concealable leg massage unit, including a massage chair and a leg massage unit positioned in a front portion of the massage chair. The two sides of the massage chair are provided with guiding tracks respectively and a moving means which moves along the guiding tracks. The rear portions of the guiding tracks are horizontal, and the front portions arc upward. The moving means is fixed with forward extended push-pull rods with a front end of each push-pull rod pivotally connected to a rear end of a tow board. A front end of the tow board is provided with a rolling wheel, and the leg massage unit is pivotally connected between two tow boards. The present invention not only reduces the volume of a massage chair but also makes itself more convenient and comfortable to users.

Claims

1. A massage chair having a concealable leg massage unit comprising:

a massage chair,

a leg massage unit positioned in a front portion of the massage chair, and

a push-pull means connected to the leg massage unit to allow movement of the leg massage unit from an extended position to a retracted position,

the push-pull means comprising at least two guiding tracks located at two opposed sides of the massage chair, a moving means which is able to move along the two guiding tracks, and supporting frames on the opposed sides of the massage chair comprising two forward extended push-pull rods fixed on the opposite ends of the moving means and two tow boards pivotally connected on both sides of the leg massage unit to allow the leg massage unit rotate pivotally, respectively,

the rear end of each of the two tow boards pivotally connected to the front end of each of the two push-pull rods respectively, and the front end of each tow board being provided with a rolling wheel,

wherein when the push-pull means is pulled out, the leg massage unit is in the extended position where the massage chair having concealable leg massage unit is in operation; and

wherein when the push-pull means is pushed in, the leg massage unit is in the retracted position where the leg massage unit is concealed,

wherein the moving means further comprises at least two moving shafts in parallel, and the moving shafts are provided with a driving means, and two ends of each moving shaft are provided with gears, the gears located in each guiding track and in mesh with a rack fixed in a side portion of each guiding track, and the push-pull rods are fixed on the moving shafts located in an inner side of the gears, respectively.

2. The massage chair having concealable leg massage unit according to claim 1, wherein a rear portion of each of the guiding track is horizontal and a front portion of each of the guiding track arcs upward.

3. The massage chair having concealable leg massage unit according to claim 1, wherein the tow boards are generally triangular and the leg massage means is pivotally connected to the two upper ends of the two tow boards respectively.

4. The massage chair having concealable leg massage unit according to claim 1, wherein the rack is fixed on an upper end of the guiding track, and a lower side of the guiding tracks is a step, an upper end of the step supporting the moving shafts, keeping the gears in mesh with the racks.

5. The massage chair having concealable leg massage unit according to claim 1, wherein when the moving means is positioned in a horizontal part of the guiding track, the forward extended push-pull rod inclines slightly downward, with a connection point of the push-pull rods and the tow boards higher than the ground.

6. The massage chair having concealable leg massage unit according to claim 1, wherein the guiding tracks are provided on two side boards, the side boards fixed in inner sides of armrests of the massage chair.

7. The massage chair having concealable leg massage unit according to claim 1, wherein the driving means including a decelerator fixed on the two moving shafts and a motor.