US4371160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercise device for runners
Assignee: Individual
•
Filing: 1981-03-04
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Granted: 1983-02-01
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Expires: 2001-03-04
Abstract
Abstract A foot, ankle, and leg exercise device is designed to develop and/or rehabilitate those specific muscles of the foot, ankle and leg which are not properly developed during the act of running or jogging. The user attaches his/her feet to foot pads on the device. When the pads are lifted by the feet against an adjustable resistance from a combination spring and shock cord mechanism, the anterior muscles of the leg are exercised while the posterior, or prime mover muscles, remain inactive.
Inventors
- 👤 Michael L. Shooltz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:51
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/02; A63B21/055; A63B21/15; A63B21/151; A63B21/40; A63B21/4001; A63B21/4011; A63B21/4015; A63B21/4041; A63B21/4047; A63B23/00; A63B23/035; A63B23/03516; A63B23/03533; A63B23/04; A63B23/08; A63B23/085; A63B71/00; A63B71/02; A63B71/023; A63B2071/026; A63B2071/027; A63B21/00058; A63B21/00069; A63B21/023; A63B21/04; A63B21/0407; A63B21/0421; A63B21/0552; A63B2208/00; A63B2208/02; A63B2208/0228
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
146 words
A foot and leg exercise device including: A. a supporting base; B. a supporting block attached to the base at one end; C. a foot pad having a heel pivotally connected to and elevated by the block; D. a restraining means attached to the foot pad for holding the user's foot on the pad; and E. a biasing means attached to the base and to the foot pad for exerting downward pressure on the foot pad to resist upward pivotal movement of the user's foot, the biasing means including a path-defining member on the base and a sliding shock cord that is attached to the foot pad at one end, is trained around the path-defining member for sliding with respect to it, and is secured at the other end to require stretching of the shock cord when the foot pad is pivoted away from the base.
Claim 2
Dependent Claim
146 words
A foot and leg exercise device including: A. a supporting base; B. a supporting block attached to the base at one end; C. a foot pad having a heel pivotally connected to and elevated by the block; D. a restraining means attached to the foot pad for holding the user's foot on the pad; and E. a biasing means attached to the base and to the foot pad for exerting downward pressure on the foot pad to resist upward pivotal movement of the user's foot, the biasing means including a path-defining member on the base and a sliding shock cord that is attached to the foot pad at one end, is trained around the path-defining member for sliding with respect to it, and is secured at the other end to require stretching of the shock cord when the foot pad is pivoted away from the base.
Claim 3
Dependent Claim
27 words
The exercise device of claim 1, further including a shock cord tension adjuster attached to the base to vary the downward pressure applied to the foot pad.
Claim 4
Dependent Claim
34 words
The exercise device of claim 2, in which the tension adjuster includes a sliding arm that varies the distance over which the shock cord extends by contacting the cord at one or more points.
Claim 5
Dependent Claim
41 words
The exercise devices of claims 1 or 3, in which, the biasing means further includes a spring attached to the base and to the foot pad for maintaining a base level of downward pressure against upward movement of the foot pad.
Claim 6
Dependent Claim
145 words
A foot and leg exercise device including: A. a supporting base; B. a supporting block attached to the base at one end; C. two foot pads, each with its heel pivotally connected to and elevated by the block: D. a restraining means attached to the foot pads for holding the user's feet on the pads; and E. biasing means attached to the base and to the foot pads for exerting downward pressure on the foot pads to resist upward pivotal movement of the user's feet, the biasing means including a path-defining member on the base and a shock cord that attaches to one of the foot pads by one end, extends downward to the base, is trained around the path-defining member to slide with respect to it, extends upward to the other foot pad, and attaches to the other foot pad by the other end.
Claim 7
Dependent Claim
145 words
A foot and leg exercise device including: A. a supporting base; B. a supporting block attached to the base at one end; C. two foot pads, each with its heel pivotally connected to and elevated by the block: D. a restraining means attached to the foot pads for holding the user's feet on the pads; and E. biasing means attached to the base and to the foot pads for exerting downward pressure on the foot pads to resist upward pivotal movement of the user's feet, the biasing means including a path-defining member on the base and a shock cord that attaches to one of the foot pads by one end, extends downward to the base, is trained around the path-defining member to slide with respect to it, extends upward to the other foot pad, and attaches to the other foot pad by the other end.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-31 | 1986-08-02 | 1987-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-31 | 1990-08-02 | 1991-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-31 | 1994-08-02 | 1995-02-01 | $7700.00 | Window Closed / Lapsed |