US3698209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint device
Assignee: Individual
•
Filing: 1971-01-25
•
Granted: 1972-10-17
•
Expires: 1991-01-25
Abstract
Abstract A joint device adapted to be used particularly in small apparatuses. Rotation torque of driving shaft is transmitted from a wheel fixed to said shaft to an opposed wheel fixed to driven shaft through a resilient wire alternately hung to respective one of said wheels substantially along their periphery.
Inventors
- 👤 Kazuo Moro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:02
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/54; F16D3/60
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
92 words
A joint device comprising a pair of opposing wheels respectively coupled to a driving shaft and a driven shaft, and a cord having a low elasticity for transmitting rotation of said wheel on driving side to the other wheel on driven side, said cord comprising a plurality of yarns of a synthetic resin twisted up and having a low elasticity, and each of said wheels having a plurality of means arranged substantially at a regular interval along its periphery for hanging said cord slidably thereon alternately from one wheel to the other.
Claim 2
Dependent Claim
92 words
A joint device comprising a pair of opposing wheels respectively coupled to a driving shaft and a driven shaft, and a cord having a low elasticity for transmitting rotation of said wheel on driving side to the other wheel on driven side, said cord comprising a plurality of yarns of a synthetic resin twisted up and having a low elasticity, and each of said wheels having a plurality of means arranged substantially at a regular interval along its periphery for hanging said cord slidably thereon alternately from one wheel to the other.
Claim 3
Dependent Claim
27 words
A joint device according to claim 1 wherein said means for hanging said cord being a plurality of rollers fixed to the wheels with radially extending axes.
Claim 4
Dependent Claim
21 words
A joint device according to claim 1 wherein said cord is inserted in a synthetic resin tube of a low elasticity.
Claim 5
Dependent Claim
13 words
A joint device according to claim 1 wherein said yarns consist of tetrone.
Claim 6
Dependent Claim
16 words
A joint device according to claim 1 wherein said cord is impregnated with a lubricating oil.
Claim 7
Dependent Claim
13 words
A joint device according to claim 5 wherein said oil is silicon oil.
References Cited (Backward Citations)
US1602912A
Cited
US1734988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |