Patent US7044491B2 successfully refreshed from Google Patents.
US7044491B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tricycle
Assignee: Kettler International Inc
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Filing: 2003-05-28
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Granted: 2006-05-16
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Expires: 2023-05-28
Abstract
Abstract A tricycle, including at least one frame, at least one front wheel, which is disposed in the front region of the frame, when viewed with respect to the preferred travel direction of the tricycle, and is steerable via a steering handle, and at least two rear wheels which are disposed in the rear region of the frame when viewed with respect to the preferred travel direction, wherein pivotal means are provided, which permit the rear wheels to be pivotable.
Inventors
- 👤 Joachim Kettler
- 👤 Heinz Kettler
- 👤 Reinhard Rocholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:18
CPC Classifications
B; B62; B62K; B62K9/00; B62K5/00; B62K5/08; B62K9/02
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
170 words
A tricycle comprising: at least one frame; at least one front wheel, which is disposed in a front region of the frame, when viewed with respect to the preferred travel direction of the tricycle, and is steerable via a steering handle; and at least two rear wheels which are disposed in a rear region of the frame when viewed with respect to the preferred travel direction; wherein pivotal means are provided, which permit the rear wheels to be pivotable; pushing means permiting the tricycle to be pushed and steered by a person not sitting on the tricycle; wherein the pushing means act on the pivotal means to steer the rear wheels; the pushing means includes a protruding push rod the pivotal means are provided with a securing device; wherein the securing device includes a steering strut extending between the two rear wheels, a locking bar which is insertable into a receiving means on the steering strut in such a manner that the steering strut is secured relative to the frame.
Claim 2
Dependent Claim
170 words
A tricycle comprising: at least one frame; at least one front wheel, which is disposed in a front region of the frame, when viewed with respect to the preferred travel direction of the tricycle, and is steerable via a steering handle; and at least two rear wheels which are disposed in a rear region of the frame when viewed with respect to the preferred travel direction; wherein pivotal means are provided, which permit the rear wheels to be pivotable; pushing means permiting the tricycle to be pushed and steered by a person not sitting on the tricycle; wherein the pushing means act on the pivotal means to steer the rear wheels; the pushing means includes a protruding push rod the pivotal means are provided with a securing device; wherein the securing device includes a steering strut extending between the two rear wheels, a locking bar which is insertable into a receiving means on the steering strut in such a manner that the steering strut is secured relative to the frame.
Claim 3
Dependent Claim
60 words
The tricycle according to claim 1 , wherein the frame is provided at its front end with a handle-bar receiving means, which constitutes the receiving means for a rotatable handle-bar, the handle-bar being provided at the top end with the steering handle and at a bottom end with a fork, the fork constituting the receiving means for a front wheel.
Claim 4
Dependent Claim
18 words
The tricycle according to claim 1 , wherein the push rod is detachably mounted in a receiving means.
Claim 5
Dependent Claim
19 words
The tricycle according to claim 1 , wherein the front wheel is provided with a pair of foot pedals.
Claim 6
Dependent Claim
34 words
The tricycle according to claim 1 , wherein the frame includes a first tubular profile and a second tubular profile, the first and second tubular profiles being able to telescope one inside the other.
Claim 7
Dependent Claim
36 words
The tricycle according to claim 5 , further comprises a clamping bush provided on the second tubular profile and the clamping bush is suitable for securing the first tubular profile relative to the second tubular profile.
Claim 8
Dependent Claim
27 words
The tricycle according to claim 1 , further comprising a seat attached to the frame and the seat is securable in any desirable position along the frame.
Claim 9
Dependent Claim
16 words
The tricycle according to claim 7 , wherein the seat is provided with a gripping point.
Claim 10
Dependent Claim
24 words
The tricycle according to claim 1 , wherein the pivotal means are pivotably mounted U-shaped profiles which form receiving means for the rear wheels.
Claim 11
Dependent Claim
24 words
The tricycle according to claim 9 , wherein the U-shaped profiles are provided on the ends of a rear axle attached to the frame.
Claim 12
Dependent Claim
25 words
The tricycle according to claim 9 , wherein the U-shaped profiles are provided with a protruding lever, the levers being interconnected via a steering strut.
Claim 13
Dependent Claim
166 words
A tricycle comprising: at least one frame; at least one front wheel, which is disposed in a front region of the frame, when viewed with respect to the preferred travel direction of the tricycle, and is steerable via a steering handle; and at least two rear wheels which are disposed in a rear region of the frame when viewed with respect to the preferred travel direction; wherein pivotal means are provided, which permit the rear wheels to be pivotable; pushing means permiting the tricycle to be rushed and steered by a person not sitting on the tricycle; wherein the pushing means act on the pivotal means to steer the rear wheels; the pushing means includes a protruding push rod the pivotal means are provided with a securing device, wherein the securing device comprises a steering strut extending between said rear wheels, a lever attached to one of said rear wheels, a clamping sleeve attached to said lever and securing the transverse strut relative to the lever.
Claim 14
Dependent Claim
166 words
A tricycle comprising: at least one frame; at least one front wheel, which is disposed in a front region of the frame, when viewed with respect to the preferred travel direction of the tricycle, and is steerable via a steering handle; and at least two rear wheels which are disposed in a rear region of the frame when viewed with respect to the preferred travel direction; wherein pivotal means are provided, which permit the rear wheels to be pivotable; pushing means permiting the tricycle to be rushed and steered by a person not sitting on the tricycle; wherein the pushing means act on the pivotal means to steer the rear wheels; the pushing means includes a protruding push rod the pivotal means are provided with a securing device, wherein the securing device comprises a steering strut extending between said rear wheels, a lever attached to one of said rear wheels, a clamping sleeve attached to said lever and securing the transverse strut relative to the lever.
Claim 15
Dependent Claim
17 words
The tricycle according to claim 12 , wherein the clamping sleeve is tensioned via a securing screw.
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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) | 2009-05-15 | 2009-11-14 | 2010-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2013-05-15 | 2013-11-14 | 2014-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2017-05-15 | 2017-11-14 | 2018-05-16 | $7700.00 | Window Closed / Lapsed |