Patent US3792860A successfully refreshed from Google Patents.
US3792860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivotal platform training apparatus with selectively connectible components
Assignee: Individual
•
Filing: 1972-10-17
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Granted: 1974-02-19
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Expires: 1992-10-17
Abstract
Abstract A training apparatus comprising a framework, two platforms, one end of each platform being pivotally connected to the framework, the platforms being substantially parallel to one another and being pivoted at adjacent ends, a supporting member, adjustable in length, being located between the substantially parallel platforms and being pivotally connected at one end to the framework, a crossbar being detachably fitted at the other end of the supporting member and one or more force-transmitting or tractive means for retaining the supporting member in different desired angular positions and/or movably interconnecting the two platforms and/or connecting through the crossbar to a displaceable device, when the training apparatus is in use.
Inventors
- 👤 A Selnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:43
CPC Classifications
A; A63; A63B; A63B23/00; A63B23/035; A63B23/0355; A63B21/00; A63B21/06; A63B21/068; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
131 words
A training apparatus comprising a framework, two platforms, one end of each platform being pivotally connected to the framework, the platforms being substantially parallel to one another and being pivoted at adjacent ends, a supporting member, adjustable in length, being located between the substantially parallel platforms and being pivotally connected at one end to the framework, a crossbar being detachably fitted at the other end of the supporting member and one or more selectively connectable means for retaining the supporting member in different desired angular positions, for movably interconnecting the two platforms whereby pivotal movement of one platform in one direction will simultaneously move the other platform in the opposite direction, or for connecting through said crossbar to a displaceable device whereby tractive force by a user will displace said device.
Claim 2
Dependent Claim
131 words
A training apparatus comprising a framework, two platforms, one end of each platform being pivotally connected to the framework, the platforms being substantially parallel to one another and being pivoted at adjacent ends, a supporting member, adjustable in length, being located between the substantially parallel platforms and being pivotally connected at one end to the framework, a crossbar being detachably fitted at the other end of the supporting member and one or more selectively connectable means for retaining the supporting member in different desired angular positions, for movably interconnecting the two platforms whereby pivotal movement of one platform in one direction will simultaneously move the other platform in the opposite direction, or for connecting through said crossbar to a displaceable device whereby tractive force by a user will displace said device.
Claim 3
Dependent Claim
26 words
A trainiNg apparatus according to claim 1, in which said selectively connectible means comprises adjustable stays for retaining the supporting member in different desired angular positions.
Claim 4
Dependent Claim
27 words
A training apparatus according to claim 1, in which said selectively connectible means comprises adjustable cords for connection to the crossbar to movably interconnect the two platforms.
Claim 5
Dependent Claim
40 words
A training apparatus according to claim 3, further comprising hooks connected to the cords and lugs which are fastened to the underside of the handlebars of the platforms, the hooks and lugs being adapted to engage to form a connection.
Claim 6
Dependent Claim
28 words
A training apparatus according to claim 1, further comprising means detachably pivotally connecting the crossbar to the supporting member for pivoting in both the horizontal and vertical direction.
Claim 7
Dependent Claim
25 words
A training apparatus according to claim 1, in which the supporting member and the platforms are collapsible to lie in the plane of the framework.
Claim 8
Dependent Claim
14 words
A training apparatus according to claim 1, further comprising handlebars integral with the platforms.
Claim 9
Dependent Claim
21 words
A training apparatus according to claim 1, further comprising means including transverse axles pivotally connecting the platforms and the supporting member.
Claim 10
Dependent Claim
49 words
A training apparatus according to claim 1, in which said selectively connectible means comprises cords and the apparatus further comprises a rolling seat constituting the displaceable device, pulleys attached to the crossbar for receiving the cords and a foot support adapted to be detachably mounted on the supporting member.
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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) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |