# US 10,010,735 B2 · Modular portable ballet bar exercise device

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- Number: US 10,010,735 B2
- Document ID: US10010735B2
- Status: Granted
- Kind: B2
- Application number: 14/542,061
- Filed: 2014-11-14
- Published: 2016-05-19
- Granted: 2018-07-03
- Earliest claimed: 2014-11-14
- Assignees: Fluidity Enterprises, Inc.
- Applicants: Fluidity Enterprises, Inc.
- Inventors: Jennie Kwo
- Web page: https://patentgrep.com/patent/US10010735B2

## CPC

- A63B 1/00: Horizontal bars
- A63B 17/04: separable
- A63B 71/023: {Supports, e.g. poles}
- A63B 21/02: using resilient force-resisters
- A63B 21/4037: {Exercise mats for personal use, with or without hand-grips or foot-grips, e.g. for Yoga or supine floor exercises (mats for absorbing shocks A63B6/00)}
- A63B 2071/025: {on rollers or wheels}
- A63B 2210/50: Size reducing arrangements for stowing or transport
- A63B 2225/093: Height
- A63B 2244/22: Dancing
- A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H)

## Abstract

Multiple embodiments of a portable ballet bar exercise device are disclosed. In certain embodiments, the portable ballet bar exercise device is modular in nature such that it can be used as a single stand-alone unit or a single wall-mountable unit, or can be combined with an identical unit to form a double stand-alone unit or a double wall-mountable unit.

## Claims

### Claim 1

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first supporting structure to alter the vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter the vertical height of the first horizontal bar;
a second bar attached to the top of the first supporting structure and the top of the second supporting structure;
a third bar substantially parallel to the second bar and coupled to the first supporting structure and the second supporting structure;
a backboard attached to the second bar and third bar; and
a floorboard attached to the backboard with a hinge;
wherein the backboard prevents the second bar and third bar from moving with respect to one another; and
wherein the hinge is movable in the vertical direction and the floorboard can move between a position substantially parallel to the backboard and a position substantially perpendicular to the backboard.

### Claim 2 (depends on 1)

The device of claim 1, wherein the hinge is spring-loaded.

### Claim 3

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first supporting structure to alter the vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter the vertical height of the first horizontal bar;
a second bar attached to the top of the first supporting structure and the top of the second supporting structure;
a third bar substantially parallel to the second bar and coupled to the first supporting structure and the second supporting structure;
a backboard attached to the second bar and third bar;
a floorboard attached to the backboard with a hinge;
a first leg attached to the first supporting structure; and
a second leg attached to the second supporting structure;
wherein the backboard prevents the second bar and the third bar from moving with respect to one another.

### Claim 4 (depends on 3)

The device of claim 3, wherein the first neck is secured to the first supporting structure with a first collar mechanism, and the second neck is secured to the second supporting structure with a second collar mechanism.

### Claim 5 (depends on 3)

The device of claim 3, wherein the first neck is attached to the first horizontal bar with a first joint and the second neck is attached to the first horizontal bar with a second joint.

### Claim 6 (depends on 3)

The device of claim 3, wherein the first neck is slidably embedded in the first supporting structure and the second neck is slidably embedded in the second supporting structure.

### Claim 7 (depends on 3)

The device of claim 3, further comprising: a first retractable wheel coupled to the first leg and a second retractable wheel coupled to the second leg.

### Claim 8 (depends on 3)

The device of claim 3, wherein the first end of the horizontal bar is covered by the first neck and the second end of the horizontal bar is covered by the second neck.

### Claim 9

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first supporting structure to alter a vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter the vertical height of the first horizontal bar;
one or more legs attached to the first supporting structure and configured to swing relative to the first supporting structure; and
one or more legs attached to the second supporting structure and configured to swing relative to the second supporting structure;
wherein the one or more legs attached to the first supporting structure and the one or more legs attached to the second supporting structure each comprise an adjustable foot mechanism for supporting the leg on the floor, wherein each adjustable foot mechanism can expand or contract in a direction towards or away from the floor during operation of the device.

### Claim 10

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first supporting structure to alter a vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter a vertical height of the first horizontal bar;
a second horizontal bar attached to the top of the first supporting structure and the top of the second supporting structure;
a third horizontal bar parallel to the second horizontal bar and the first horizontal bar;
a backboard attached to the second horizontal bar;
a floorboard attached to the backboard with a hinge;
a first leg attached to the first supporting structure; and
a second leg attached to the second supporting structure;
wherein the floorboard comprises a first magnet that attracts the first leg with magnetic force when the first leg is folded inward, and a second magnet that attracts the second leg with magnetic force when the second leg is folded inward.

### Claim 11 (depends on 10)

The device of claim 10, wherein the first magnet is embedded in a first bore in the floorboard and the second magnet is embedded in a second bore in the floorboard.

### Claim 12

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first-supporting structure to alter a vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second-supporting structure to alter a vertical height of the first horizontal bar;
a second horizontal bar attached to the top of the first-supporting structure and the top of the second supporting structure;
a third horizontal bar parallel to the first horizontal bar and the second horizontal bar;
a backboard attached to the second horizontal bar;
a floorboard attached to the backboard with a hinge;
a first leg attached to the first supporting structure;
a second leg attached to the second supporting structure; and
a mat comprising a pocket to receive the floorboard.

### Claim 13 (depends on 12)

The device of claim 12, wherein the mat covers the backboard.

### Claim 14

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end by a first clamping device comprising:
a first band wrapped around the first horizontal bar and secured by a first bolt; and
a first screw embedded in the first horizontal bar through the first band;
a second neck attached to the second end by a second clamping device comprising:
a second band wrapped around the first horizontal bar and secured by a second bolt; and
a second screw embedded in the first horizontal bar through the second band;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first-supporting structure to alter a vertical height of the first horizontal bar; and
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter a vertical height of the first horizontal bar.

### Claim 15

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first supporting structure to alter a vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter the vertical height of the first horizontal bar;
a second horizontal bar attached to the top of the first supporting structure and the top of the second supporting structure;
a third horizontal bar parallel to the first horizontal bar and the second horizontal bar;
a backboard attached to the second horizontal bar;
a floorboard attached to the backboard with a hinge;
a first leg attached to the first supporting structure; and
a second leg attached to the second supporting structure;
wherein the first leg comprises a hook and the second leg comprises a connector, wherein the hook can attach to the connector to hold the first leg and second leg in a folded position.

### Claim 16

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first supporting structure to alter a vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter the vertical height of the first horizontal bar;
a first front member and a first back member attached to the first supporting structure; and
a second front member and a second back member attached to the second supporting structure;
a second horizontal bar attached to the first supporting structure and second supporting structure;
a third horizontal bar attached to the first supporting structure and second supporting structure;
a backboard attached to the second horizontal bar and the third horizontal bar; and
a floorboard attached to the backboard;
wherein the first front member and the first back member and the second front member and the second back member are removable to enable the device to be mounted on a wall.

### Claim 17 (depends on 16)

The device of claim 16, wherein the first neck is slidably embedded in the first supporting structure and the second neck is slidably embedded in the second supporting structure.

### Claim 18

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first supporting structure to alter a vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter the vertical height of the first horizontal bar;
a first front member and a first back member attached to the first supporting structure; and
a second front member and a second back member attached to the second supporting structure; and
a first constant force spring attached to the first supporting structure for exerting force against the first neck and a second constant force spring attached to the second supporting structure for exerting force against the second neck;
wherein the first front member and the first back member and the second front member and the second back member are removable to enable the device to be mounted on a wall; and
wherein the first neck is slidably embedded in the first supporting structure and the second neck is slidably embedded in the second supporting structure.

### Claim 19

A portable exercise device, comprising:
a first horizontal bar with a first end and second end;
a first neck attached to the first end;
a second neck attached to the second end;
a first supporting structure for receiving the first neck, wherein the first neck is movable within the first supporting structure to alter a vertical height of the first horizontal bar;
a second supporting structure for receiving the second neck, wherein the second neck is movable within the second supporting structure to alter the vertical height of the first horizontal bar;
a first front member attached to a first bracket attached to the first supporting structure and a first back member attached to a second bracket attached to the first supporting structure, the first bracket limiting a motion of the first front member and the second bracket limiting a motion of the first back member;
a second front member attached to a third bracket attached to the second supporting structure and a second back member attached to a fourth bracket attached to the second supporting structure, the third bracket limiting a motion of the second front member and the fourth bracket limiting a motion of the second back member;
a second horizontal bar attached to the first supporting structure and second supporting structure;
a third horizontal bar attached to the first supporting structure and second supporting structure;
a backboard, wherein a top portion of the backboard is attached to the second horizontal bar and a bottom portion of the backboard is attached to the third horizontal bar; and
a floorboard attached to the backboard.

### Claim 20 (depends on 19)

The device of claim 19, wherein the first front member is attached to the first bracket by a first pin, the first back member is attached to the second bracket by a second pin, the second front member is attached to the third bracket by a third pin, and the second back member is attached to the fourth bracket by a fourth pin.

### Claim 21 (depends on 19)

The device of claim 19, wherein a distance between a bottom of the first supporting structure and the floor is at least 1.80 inches and a distance between a bottom of the second supporting structure and the floor is at least 1.80 inches.