Patent US3857584A successfully refreshed from Google Patents.
US3857584A
Expired / Lapsed
US
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Tricycle antitipping device
Assignee: Individual
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Filing: 1973-09-10
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Granted: 1974-12-31
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Expires: 1993-09-10
Abstract
Abstract This tricycle consists primarily of a U-shaped tubular member carried above the fork of the front wheel, the ends serving as stop means on the ground surface so as to prevent tipping of the forward portion of the tricycle when the rear safety member consisting of a tubular member having leg portions fastened at the rear and the end portions of the tubular member at the rear extend over the rear wheels so as to serve as stop means against the ground to prevent tipping of the rear end of the tricycle.
Inventors
- 👤 D Girsh
- 👤 T Nohava
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:47
CPC Classifications
B; B62; B62H; B62H7/00; B62K; B62K9/00; B62K9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A tricycle comprising a U-shaped tubular member with mounting means for placement over a front wheel of a tricycle, a rear tubular member carried by said tricycle providing excessive nontipping means for a rear end of said tricycle, said tubular member having mounting means for a front end of said tricycle and including a central flange member which receives a goose-neck portion of a handle bar of said tricycle and which extends from a sleEve of a fork carrying a front wheel of said tricycle; opposite end portions of said tubular member being angled outwards on each side of said front wheel so as to provide stop means against a ground when said tricycle starts to tilt and said front U-shaped tube acting in conjunction with said rear tubular member to prevent said excessive tipping, said rear tube member having leg means secured fixedly to a rear portion over an axle carrying said rear wheels, said rear tubular member including outwardly extending and over hanging opposite ends, said over hanging ends extending over said rear wheels, said ends being angled downwardly outwardly and spaced apart from side faces of said rear wheels in order to provide stop means upon a ground when said tricycle starts in to a tilt.
Claim 2
Dependent Claim
209 words
A tricycle comprising a U-shaped tubular member with mounting means for placement over a front wheel of a tricycle, a rear tubular member carried by said tricycle providing excessive nontipping means for a rear end of said tricycle, said tubular member having mounting means for a front end of said tricycle and including a central flange member which receives a goose-neck portion of a handle bar of said tricycle and which extends from a sleEve of a fork carrying a front wheel of said tricycle; opposite end portions of said tubular member being angled outwards on each side of said front wheel so as to provide stop means against a ground when said tricycle starts to tilt and said front U-shaped tube acting in conjunction with said rear tubular member to prevent said excessive tipping, said rear tube member having leg means secured fixedly to a rear portion over an axle carrying said rear wheels, said rear tubular member including outwardly extending and over hanging opposite ends, said over hanging ends extending over said rear wheels, said ends being angled downwardly outwardly and spaced apart from side faces of said rear wheels in order to provide stop means upon a ground when said tricycle starts in to a tilt.
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) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |