US3843164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bicycle cart connector
Assignee: Individual
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Filing: 1973-01-30
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Granted: 1974-10-22
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Expires: 1993-01-30
Abstract
Abstract A cart adapted to be towed by a bicycle. The cart is constructed so that it can be shipped in a knocked down condition and yet easily assembled. A tow bar of the cart is attached to a bicycle by a removable connection which permits rotation of the tow bar about three axes relative to the bicycle.
Inventors
- 👤 M Flegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:10
CPC Classifications
B; B62; B62K; B62K27/00; B62K27/10; B62K27/12; B60; B60D; B60D1/00; B60D1/48; B60D1/54; B60D2001/542; B60D2001/548
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A connector for attaching a tow bar of a cart to a bicycle including: a two axis universal connection, one side of said universal connection being rigidly fastened to said tow bar, the other side of said universal connection being pivotally connected to said bicycle for rotation about an axis which extends at right angles to each of the axes of said two axis universal connection, each side of said two axis universal connection including a clevis and a sleeve rotatably mounted on a clevis pin, the sleeve of one side of the connection being fastened tangentially to the sleeve of the other side of the connection, said pivotal connection of said universal connection to said bicycle having means to adjustably clamp said two axis universal connection to said bicycle, said means including a sleeve fastened at one end to the base of one of said clevis, a threaded bolt extending through said sleeve and extending outward beyond the free end of the sleeve, a pair of plates mounted on said bolt and movable along the length thereof, a pair of nuts mounted on said bolt and engaging the non-facing sides of said plates, said plate being adaptable to clamp the opposite sides of a pair of bicycle frame meMbers when the bolt is extended between the frame members.
Claim 2
Dependent Claim
219 words
A connector for attaching a tow bar of a cart to a bicycle including: a two axis universal connection, one side of said universal connection being rigidly fastened to said tow bar, the other side of said universal connection being pivotally connected to said bicycle for rotation about an axis which extends at right angles to each of the axes of said two axis universal connection, each side of said two axis universal connection including a clevis and a sleeve rotatably mounted on a clevis pin, the sleeve of one side of the connection being fastened tangentially to the sleeve of the other side of the connection, said pivotal connection of said universal connection to said bicycle having means to adjustably clamp said two axis universal connection to said bicycle, said means including a sleeve fastened at one end to the base of one of said clevis, a threaded bolt extending through said sleeve and extending outward beyond the free end of the sleeve, a pair of plates mounted on said bolt and movable along the length thereof, a pair of nuts mounted on said bolt and engaging the non-facing sides of said plates, said plate being adaptable to clamp the opposite sides of a pair of bicycle frame meMbers when the bolt is extended between the frame members.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |