US4209167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arm wrestling apparatus
Assignee: Individual
•
Filing: 1977-06-06
•
Granted: 1980-06-24
•
Expires: 1997-06-06
Abstract
Abstract An arm wrestling apparatus including a base, an upstanding arm member pivotally connected to the base, a hand-engaging portion on the free end of the arm member, adjustable biasing means urging pivotal movement of the upstanding arm member in one direction, rotatable means associated with the biasing means to control the tension therein, tension-indicating means associated the biasing means, locking means for selectively maintaining the arm member in an upstanding position, and stop means associated with the base adjacent the arm member to limit the extent of movement thereof.
Inventors
- 👤 Patrick W. Jansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:16
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/02; A63B21/04; A63B2208/00; A63B2208/12; A63B23/00; A63B23/035; A63B23/12; A63B23/129
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
117 words
An arm wresting apparatus including a base, an upstanding arm member pivotally connected to said base, a hand-engaging portion on the free end of said arm member, adjustable biasing means urging pivotal movement of said upstanding arm member in one direction, rotatable means associated with said biasing means to control the tension therein, tension-indicating means associated with said biasing means, locking means for selectively maintaining said arm member in an upstanding position, and stop means associated with said base adjacent said arm member to limit the extent of movement thereof; said biasing means including a spiral spring disposed within said arm member and said spring having a substantially straight portion extending longitudinally of said pivotable arm member.
Claim 2
Dependent Claim
117 words
An arm wresting apparatus including a base, an upstanding arm member pivotally connected to said base, a hand-engaging portion on the free end of said arm member, adjustable biasing means urging pivotal movement of said upstanding arm member in one direction, rotatable means associated with said biasing means to control the tension therein, tension-indicating means associated with said biasing means, locking means for selectively maintaining said arm member in an upstanding position, and stop means associated with said base adjacent said arm member to limit the extent of movement thereof; said biasing means including a spiral spring disposed within said arm member and said spring having a substantially straight portion extending longitudinally of said pivotable arm member.
Claim 3
Dependent Claim
17 words
An arm wrestling apparatus according to claim 1 wherein said rotatable means includes a crank and ratchet.
Claim 4
Dependent Claim
18 words
An arm wrestling apparatus according to claim 1 wherein said apparatus includes two adjacent oppositely wound coil springs.
Claim 5
Dependent Claim
34 words
An arm wrestling apparatus according to claim 3 wherein said rotatable means includes a crank and ratchet, which crank is slidable longitudinally to selectively engage one of said two adjacent oppositely would coil springs.
Claim 6
Dependent Claim
16 words
An arm wrestling apparatus according to claim 1 wherein said tension-indicating means includes an elongated scale.
Claim 7
Dependent Claim
22 words
An arm wrestling apparatus according to claim 5 wherein said tension-indicating means includes flexible means connecting said crank with said elongated scale.
Claim 8
Dependent Claim
16 words
An arm wrestling apparatus according to claim 1 wherein said tension-indicating means includes a load cell.
Claim 9
Dependent Claim
18 words
An arm wrestling apparatus according to claim 1 wherein said stop means includes actuating means for a signal.
References Cited (Backward Citations)
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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) | 1983-06-24 | 1983-12-24 | 1984-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-06-24 | 1987-12-24 | 1988-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-06-24 | 1991-12-24 | 1992-06-24 | $7700.00 | Window Closed / Lapsed |