Patent US3866914A successfully refreshed from Google Patents.
US3866914A
Expired / Lapsed
US
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Variable weight resistance football training device
Assignee: Individual
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Filing: 1971-05-24
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Granted: 1975-02-18
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Expires: 1991-05-24
Abstract
Abstract An exercise device comprises an inclined guide, a weight member supported for upward movement on the guide, structure responsive to upward movement of the weight member on the guide from a first position to a second position for abruptly increasing the load on the weight member, and structure responsive to movement of the weight member from the second position to a third position for abruptly further increasing the load on the weight member. In accordance with one embodiment of the invention, the load increasing structures comprise additional weight members slidably supported on the guide at the second and third positions. In accordance with another embodiment, the load increasing structures comprise preloaded springs mounted for engagement with the weight member at the second and third positions.
Inventors
- 👤 Donald W Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:18
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/0609; A63B21/062; A63B21/0626; A63B21/0628; A63B21/40; A63B21/4001; A63B21/4005
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
192 words
An exercise device comprising: a base member having a guide, said guide being upwardly inclined relative to said base member; a first member slidably supported on the guide for movement from a normal position upwardly along a predetermined path under direct muscular action of a user and against the action of gravity, said member presenting sufficient resistance to sliding movement to tax the muscles of the user; means responsive to movement of the first member through first and second predetermined distances upwardly along the path for abruptly applying additional forces to the member which further oppose movement of the member upwardly along the path, said additional force applying means comprising: a second member supported on the guide in the path of the first member for engagement by the first member upon movement thereof through the first predetermined distance and thereafter for movement with the first member upwardly along the guide; and a third member supported on the guide for engagement by the second member only after movement of the first and second members through the second predetermined distance and thereafter for movement with the first and second members upwardly along the guide.
Claim 2
Dependent Claim
192 words
An exercise device comprising: a base member having a guide, said guide being upwardly inclined relative to said base member; a first member slidably supported on the guide for movement from a normal position upwardly along a predetermined path under direct muscular action of a user and against the action of gravity, said member presenting sufficient resistance to sliding movement to tax the muscles of the user; means responsive to movement of the first member through first and second predetermined distances upwardly along the path for abruptly applying additional forces to the member which further oppose movement of the member upwardly along the path, said additional force applying means comprising: a second member supported on the guide in the path of the first member for engagement by the first member upon movement thereof through the first predetermined distance and thereafter for movement with the first member upwardly along the guide; and a third member supported on the guide for engagement by the second member only after movement of the first and second members through the second predetermined distance and thereafter for movement with the first and second members upwardly along the guide.
Claim 3
Dependent Claim
179 words
An exercise device comprising: a frame including an upwardly inclined guide; a first member slidably supported on the guide for upward movement from a first position; a second member slidably supported at a second position on the guide a predetermined distance from said first member for engagement by the first member and thereafter for upward movement with the first member from the second position, whereby the resistance to upward movement of the member under direct muscular action of a user on the guide is abruptly increased, presenting sufficient resistance to sliding movement to tax the muscles of the user a predetermined distance from said first and second members; and a third member slidably supported a predetermined distance from said first and second members on the guide for engagement by the second member only after movement of the first and second members from the second position to a third position, and thereafter for upward movement on the guide with the first and second members, whereby the resistance to upward movement of the member on the guide is again abruptly increased.
Claim 4
Dependent Claim
179 words
An exercise device comprising: a frame including an upwardly inclined guide; a first member slidably supported on the guide for upward movement from a first position; a second member slidably supported at a second position on the guide a predetermined distance from said first member for engagement by the first member and thereafter for upward movement with the first member from the second position, whereby the resistance to upward movement of the member under direct muscular action of a user on the guide is abruptly increased, presenting sufficient resistance to sliding movement to tax the muscles of the user a predetermined distance from said first and second members; and a third member slidably supported a predetermined distance from said first and second members on the guide for engagement by the second member only after movement of the first and second members from the second position to a third position, and thereafter for upward movement on the guide with the first and second members, whereby the resistance to upward movement of the member on the guide is again abruptly increased.
Claim 5
Dependent Claim
45 words
The exercise device according to claim 2 wherein the first member includes padded shoulder contacts and handholds, and wherein the second and third members Include weight receiving means whereby the resistance to the upward movement of the first member on the guide may be varied.
Claim 6
Dependent Claim
24 words
The exercise device according to claim 3 wherein the frame further includes an inclined footrest positioned beneath and substantially in alignment with the guide.
Claim 7
Dependent Claim
184 words
An exercise device comprising: a frame including an upwardly inclined guide defining a predetermined path; a first member having a predetermined weight and being supported for sliding movement on the guide from a first position along the predetermined path under direct muscular action of a user, said first member having sufficient resistance to sliding movement to tax the muscles of the user; a second member having a predetermined weight and being supported for engagement by the first member only after substantial movement thereof along the predetermined path and thereafter for movement with the first member along the predetermined path whereby the force resisting movement of the first member along the path is abruptly increased; a third member having a predetermined weight and being supported for engagement by the second member only after substantial movement thereof along the predetermined path and thereafter for movement with the first and second members along the predetermined path whereby the force resisting movement of the first member along the path is further abruptly increased; and said second and third members each further including means for retaining thereon additional weights.
Claim 8
Dependent Claim
184 words
An exercise device comprising: a frame including an upwardly inclined guide defining a predetermined path; a first member having a predetermined weight and being supported for sliding movement on the guide from a first position along the predetermined path under direct muscular action of a user, said first member having sufficient resistance to sliding movement to tax the muscles of the user; a second member having a predetermined weight and being supported for engagement by the first member only after substantial movement thereof along the predetermined path and thereafter for movement with the first member along the predetermined path whereby the force resisting movement of the first member along the path is abruptly increased; a third member having a predetermined weight and being supported for engagement by the second member only after substantial movement thereof along the predetermined path and thereafter for movement with the first and second members along the predetermined path whereby the force resisting movement of the first member along the path is further abruptly increased; and said second and third members each further including means for retaining thereon additional weights.
Claim 9
Dependent Claim
86 words
The exercise device according to claim 5 wherein the first, second, and third members are urged to move downwardly on the guide by the action of gravity, and further including means for normally positioning the first member at the first position on the guide and for normally positioning the second member at a second position on the guide which is spaced from the first position and for normally positioning the third member at a third position on the guide which is spaced from the second position.
Claim 10
Dependent Claim
31 words
The exercise device according to claim 6 further including a footrest positioned beneath and substantially in alignment with the guide and wherein the first member further includes shoulder contacts and handholds.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |