Patent US2236212A successfully refreshed from Google Patents.
Patent US3628790A successfully refreshed from Google Patents.
US3628790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gymnast trainer cushions
Assignee: Individual
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Filing: 1969-11-10
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Granted: 1971-12-21
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Expires: 1989-11-10
Abstract
Abstract A set of polyhedral cushioning bodies including several of regular polygonal cross section having means for attaching them together in stacked relation, and one of wedge shape, cooperable with the others as a landing mat for training dive rolls. The individual units of regular cross section are useful for training in dive-rolls, handsprings, hand-vaulting, log-rolling and the like.
Inventors
- 👤 Donald W Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:35
CPC Classifications
A; A63; A63B; A63B6/00; A63B17/00; A63B17/04; A63B23/00; A63B23/035; A63B23/04; A63B23/0405; A63B23/0458; A63B5/00; A63B5/16; A63B9/00; A63B71/00; A63B71/0054; A63B2071/0063; A63B2208/00; A63B2208/12; A63B2210/00; A63B2210/50; Y; Y10; Y10S; Y10S273/00; Y10S273/06; Y10S273/08
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
93 words
Gymnastic-training apparatus comprising: a plurality of cushion units each of generally prism form having a regular polygonal cross section; said unit including a core of plastic foam cushioning material, and a cover of tough sheet material enclosing said core; said unit having a diameter in the range of about half the height of the person using it; and fastener means for attaching said units together in a pyramid formation in which a top unit is cradled in a V-channel space between sloping sides of a pair of base units supporting said top unit.
Claim 2
Dependent Claim
93 words
Gymnastic-training apparatus comprising: a plurality of cushion units each of generally prism form having a regular polygonal cross section; said unit including a core of plastic foam cushioning material, and a cover of tough sheet material enclosing said core; said unit having a diameter in the range of about half the height of the person using it; and fastener means for attaching said units together in a pyramid formation in which a top unit is cradled in a V-channel space between sloping sides of a pair of base units supporting said top unit.
Claim 3
Dependent Claim
21 words
A trainer apparatus as defined in claim 1; each unit having a length in the range of about twice its diameter.
Claim 4
Dependent Claim
26 words
A trainer apparatus as defined in claim 1; each unit having two ends and a number of rectangular sides in the range of 6 to 8.
Claim 5
Dependent Claim
23 words
A trainer apparatus as defined in claim 1; each unit having eight sIdes and two ends, adjacent sides subtending dihedral angles of 135*.
Claim 6
Dependent Claim
103 words
A trainer apparatus as defined in claim 1, said fastener means including: fastener elements located midway between corners of one side thereof, and cooperating fastener elements at remote corners of sides adjacent and embracing said one side; said fastener elements being arranged so that the first-mentioned fastener elements of one unit are attachable to the cooperating fastener elements of another unit. 6, A trainer apparatus as defined in claim 1, each unit having dihedral angular longitudinal corners that are compressible so as to flatten under the weight of a person supported thereon, so as to facilitate rolling of the unit under said weight.
Claim 7
Dependent Claim
156 words
Gymnastic-training apparatus comprising a plurality of cushion units each of generally prism form having a regular polygonal cross section; said unit including a core of plastic foam cushioning material, and a cover of tough sheet material enclosing said core; said unit having a diameter in the range of about half the height of the person using it; said units adapted to be stacked in a triangular pyramid formation with a plurality of base units supporting at least one upper unit; and a wedge-shaped mat having a bottom adapted to rest on a common supporting surface with said pyramid formation, a butt end adapted to abut a side face of an adjacent base unit and having a height between half the height and the full height of said adjacent base unit; and an inclined top face extending downwardly from the upper edge of said butt end to a level near said bottom at the opposite end thereof.
Claim 8
Dependent Claim
156 words
Gymnastic-training apparatus comprising a plurality of cushion units each of generally prism form having a regular polygonal cross section; said unit including a core of plastic foam cushioning material, and a cover of tough sheet material enclosing said core; said unit having a diameter in the range of about half the height of the person using it; said units adapted to be stacked in a triangular pyramid formation with a plurality of base units supporting at least one upper unit; and a wedge-shaped mat having a bottom adapted to rest on a common supporting surface with said pyramid formation, a butt end adapted to abut a side face of an adjacent base unit and having a height between half the height and the full height of said adjacent base unit; and an inclined top face extending downwardly from the upper edge of said butt end to a level near said bottom at the opposite end thereof.
References Cited (Backward Citations)
CA725055A
Cited
US3498605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |