# US 2014/0194252 A1 · Exercise device

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- Number: US 2014/0194252 A1
- Document ID: US20140194252A1
- Status: Published application
- Kind: A1
- Application number: 14/238,040
- Filed: 2012-05-28
- Published: 2014-07-10
- Earliest claimed: 2011-08-11
- Assignees: Showa Denki Kabushiki Kaisha
- Inventors: Takeshi Arimoto; Yuzo Takenaka; Tomoki Hotei; Shinya Adachi
- Web page: https://patentgrep.com/patent/US20140194252A1

## CPC

- A63B 23/04: for lower limbs {(training appliances for special sports A63B69/00; for the purpose of producing mechanical power F03G5/00)}
- A63B 22/02: with movable endless bands {, e.g. treadmills (other training appliances for running on the spot A63B69/0028)}
- A63B 21/4009: {to the waist}
- A63B 2071/025: {on rollers or wheels}
- A63B 2208/0204: Standing on the feet
- A63B 2208/053: higher pressure
- A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H)

## Abstract

The present invention provides an exercise device having a chamber maintained in an airtight condition and a seal member that can be easily attached and detached by a user. The exercise device of the present invention includes a chamber having an opening through which a user can enter or exit the chamber, a seal member for closing the opening of the chamber in an airtight manner, a pressure control unit for pressurizing the inside of the chamber, and exercise equipment housed inside the chamber, wherein an engagement ring is provided in the opening of the chamber, the seal member includes a skirt to be worn by the user and an elastic tube, the tube being attached to the outer peripheral edge of the skirt, making the outer peripheral edge of the skirt be in contact with the engagement ring, and the skirt being in close contact with the engagement ring due to pressurization of the inside of the chamber.

## Claims

### Claim 1

An exercise device comprising:
a chamber having an opening through which a user can enter or exit the chamber,
a seal member for closing the opening of the chamber in an airtight manner,
a pressure control unit for pressurizing the inside of the chamber, and
exercise equipment housed inside the chamber,
wherein the opening of the chamber is provided with an engagement ring,
the seal member is provided with an elastic tube and a skirt to be worn by the user,
the tube being attached to the outer peripheral edge of the skirt, making the outer peripheral edge of the skirt be in contact with the engagement ring, and
the skirt being in close contact with the engagement ring due to pressurization of the inside of the chamber.

### Claim 2 (depends on 1)

The exercise device according to claim 1, wherein the engagement ring is provided with a protective ring along the inner peripheral edge thereof.

### Claim 3 (depends on 1)

The exercise device according to claim 1, wherein the skirt is provided with a pair of pants to be worn by the user.

### Claim 4 (depends on 1)

The exercise device according to claim 1, further comprising a blower in the chamber.