Patent US3938803A successfully refreshed from Google Patents.
US3938803A
Expired / Lapsed
US
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Dual purpose exercising device
Assignee: Individual
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Filing: 1974-08-01
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Granted: 1976-02-17
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Expires: 1994-08-01
Abstract
Abstract A dual purpose exercising device comprised of a bar with hand grips on the outer ends. Wheeled handles are slidably disposed on the bar and are abutted against the hand grips. A spring is disposed about the bar between the wheeled handles to urge them outwardly. The wheeled handles may be moved inwardly against the spring for compression exercising; the wheeled handles acting as wheels for using the device as a roller exerciser.
Inventors
- 👤 Robert B. Wilmoth
- 👤 Warren J. Wilmoth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:15
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/02; A63B21/05; A63B21/0004; A63B21/40; A63B21/4027; A63B21/4033; A63B21/4035; A63B21/4041; A63B21/4045; A63B22/00; A63B22/20; A63B23/00; A63B23/035; A63B23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
270 words
An exercise device comprising: an elongated cylindrical bar having a smooth outer surface; a pair of hand grips; an abutment on each of said hand grips, one of said hand grips being secured to each end of said bar such that each of said abutments is positioned intermediate opposite ends of said bar; a pair of tubular sleeves having inner and outer ends, each of said sleeves having a bore extending therethrough, said bar being telescopically disposed in said bores, each of said sleeves having an enlarged counterbore formed in inner ends thereof, said bore and counterbore in each of said sleeves being concentric forming a shoulder inside each of said tubular sleeves intermediate opposite ends of said sleeves; a coiled spring having a central passage, said bar extending through said central passage, said spring having ends extending into said counter bores and into abutting relation with said shoulders such that an outer end of each of said sleeves is urged into engagement with one of said abutments on said hand grips secured to opposite ends of said bar; a pair of wheels; and means rigidly securing one of said wheels to each of said sleeves, each of said wheels being spaced from the outer end of each of said sleeves to provide an extension between the outer end of each of said sleeves and each of said wheels, said extensions being adapted to be gripped by human hands to urge said sleeves inwardly along said bar to move outer ends of said sleeves out of engagement with said abutments on said hand grips on opposite ends of the bar.
Claim 2
Dependent Claim
270 words
An exercise device comprising: an elongated cylindrical bar having a smooth outer surface; a pair of hand grips; an abutment on each of said hand grips, one of said hand grips being secured to each end of said bar such that each of said abutments is positioned intermediate opposite ends of said bar; a pair of tubular sleeves having inner and outer ends, each of said sleeves having a bore extending therethrough, said bar being telescopically disposed in said bores, each of said sleeves having an enlarged counterbore formed in inner ends thereof, said bore and counterbore in each of said sleeves being concentric forming a shoulder inside each of said tubular sleeves intermediate opposite ends of said sleeves; a coiled spring having a central passage, said bar extending through said central passage, said spring having ends extending into said counter bores and into abutting relation with said shoulders such that an outer end of each of said sleeves is urged into engagement with one of said abutments on said hand grips secured to opposite ends of said bar; a pair of wheels; and means rigidly securing one of said wheels to each of said sleeves, each of said wheels being spaced from the outer end of each of said sleeves to provide an extension between the outer end of each of said sleeves and each of said wheels, said extensions being adapted to be gripped by human hands to urge said sleeves inwardly along said bar to move outer ends of said sleeves out of engagement with said abutments on said hand grips on opposite ends of the bar.
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) | 1979-02-16 | 1979-08-18 | 1980-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-16 | 1983-08-18 | 1984-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-16 | 1987-08-18 | 1988-02-17 | $7700.00 | Window Closed / Lapsed |