Patent US4212458A successfully refreshed from Google Patents.
US4212458A
Expired / Lapsed
US
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Foot holding device for use in performing sit-up exercises
Assignee: Individual
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Filing: 1978-05-08
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Granted: 1980-07-15
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Expires: 1998-05-08
Abstract
Abstract A device for holding the feet of a person doing "sit-up" exercises has a U-shaped base to receive the bottom margin of a door, a head section provided with laterally spaced foot retainers and a connecting section outwardly and upwardly inclined to space the head away from the door. The head is rearwardly and upwardly inclined to provide the proper position of the feet.
Inventors
- 👤 George Bizilia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:27
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/16; A63B21/1618; A63B21/1654; A63B23/00; A63B23/02; A63B23/0205; A63B23/0211
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
165 words
A device for use in performing sit-up exercies, said device including a head means for receiving feet of a user, a pair of laterally spaced supports carried by said head means, one support for supporting each foot of a user, each support including a support surface engageable by the ball area of the foot during an exercise program and a restraining strap holding each foot to the support surface, a base section in the form of a U and shaped and dimensioned to receive within it the bottom margin of a door, a connecting section positioned between said head means and said one side wall of said U-shaped base section, said connecting section inclined outwardly and upwardly thus placing said supports in position to receive the feet of a person who is seated or lying on the floor while the sit-up exercises are being performed, and said head section being inclined relative to said connecting section towards a plane inclusive of said one side wall.
Claim 2
Independent Claim
165 words
A device for use in performing sit-up exercies, said device including a head means for receiving feet of a user, a pair of laterally spaced supports carried by said head means, one support for supporting each foot of a user, each support including a support surface engageable by the ball area of the foot during an exercise program and a restraining strap holding each foot to the support surface, a base section in the form of a U and shaped and dimensioned to receive within it the bottom margin of a door, a connecting section positioned between said head means and said one side wall of said U-shaped base section, said connecting section inclined outwardly and upwardly thus placing said supports in position to receive the feet of a person who is seated or lying on the floor while the sit-up exercises are being performed, and said head section being inclined relative to said connecting section towards a plane inclusive of said one side wall.
Claim 3
Dependent Claim
22 words
The device of claim 1 in which the head section is upwardly inclined toward a door when the device is attached thereto.
Claim 4
Dependent Claim
36 words
The device of claim 2 in which the angle of inclination of the head section with respect to a plane inclusive of said one side wall is in the approximate range of from 10° to 15°.
Claim 5
Dependent Claim
25 words
The device of claim 2 in which lock support is spaced to be out of contact with a door when the device is attached thereto.
Claim 6
Dependent Claim
34 words
The device of claim 2 in which each support includes yieldable covering means on its rear surface adjacent the upper edge of each support to prevent marring of a door during an exercise program.
References Cited (Backward Citations)
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Cited
US2425971A
Cited
GB942707A
Cited
US3134592A
Cited
US3287016A
Cited
US4116434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-07-15 | 1984-01-14 | 1984-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-15 | 1988-01-14 | 1988-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-15 | 1992-01-14 | 1992-07-15 | $7700.00 | Window Closed / Lapsed |