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US6612598B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Rear steering device for a tricycle for children

Assignee: Individual
•
Filing: 2002-01-25
•
Granted: 2003-09-02
•
Expires: 2022-01-25
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Abstract

Abstract A vehicle for children comprises a frame, a driving member rotatably mounted to a rear end of the frame, a rear steering rod, a driven member, and a belt. The frame comprises a head tube on a front end thereof. A handlebar stem extends through the head tube and is pivotable relative to the head tube. A handlebar is attached to an upper end of the handlebar stem to turn therewith. The rear steering rod includes a lower end attached to the driving member to turn therewith and an upper end for manual operation. The driven member is securely attached to the handlebar stem to turn therewith. The belt is mounted around the driving member and the driven member such that the driven member is turned when the driving member is turned as a result of turning of the rear steering bar.

Inventors

  • 👤 Jung-Jyh Wu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 11:35
CPC Classifications
B; B62; B62H; B62H7/00; B62K; B62K9/00; B62K9/02

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 225 words
A vehicle for children comprising: a frame comprising a front end, a rear end, and an intermediate portion extending therebetween, a head tube being provided on the front end of the frame, a handlebar stem extending through the head tube and being pivotally displaceable relative to the head tube, the handlebar stem including an upper end and a lower end, a handlebar being securely attached to the upper end of the handlebar stem to turn therewith, a front fork being formed on the lower end of the handlebar stem, a front wheel being rotatably mounted to the front fork, a rear wheel unit being rotatably mounted to the rear end of the frame, a seat being disposed over said intermediate portion; a driving member rotatably mounted to the rear end of the frame; a rear steering rod coupled to the driving member for providing auxiliary steering control, the rear steering rod including a lower end attached to the driving member to turn therewith and an upper end for manipulation; a driven member coaxially attached to the handlebar stem to turn therewith; and, a belt mounted around the driving member and the driven member whereby the driven member is turned responsive to the driving member being turned with the rear steering rod, said belt extending beneath the seat and along the intermediate portion of the frame.
Claim 2
Dependent Claim 225 words
A vehicle for children comprising: a frame comprising a front end, a rear end, and an intermediate portion extending therebetween, a head tube being provided on the front end of the frame, a handlebar stem extending through the head tube and being pivotally displaceable relative to the head tube, the handlebar stem including an upper end and a lower end, a handlebar being securely attached to the upper end of the handlebar stem to turn therewith, a front fork being formed on the lower end of the handlebar stem, a front wheel being rotatably mounted to the front fork, a rear wheel unit being rotatably mounted to the rear end of the frame, a seat being disposed over said intermediate portion; a driving member rotatably mounted to the rear end of the frame; a rear steering rod coupled to the driving member for providing auxiliary steering control, the rear steering rod including a lower end attached to the driving member to turn therewith and an upper end for manipulation; a driven member coaxially attached to the handlebar stem to turn therewith; and, a belt mounted around the driving member and the driven member whereby the driven member is turned responsive to the driving member being turned with the rear steering rod, said belt extending beneath the seat and along the intermediate portion of the frame.
Claim 3
Dependent Claim 22 words
The vehicle for children as claimed in claim 1 , wherein the upper end of the rear steering rod includes a grip.
Claim 4
Dependent Claim 28 words
The vehicle for children as claimed in claim 1 , wherein each of the driving and driven members includes a toothed section for meshed engagement of the belt.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2006-09-01 2007-03-03 2007-09-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2010-09-01 2011-03-03 2011-09-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2014-09-01 2015-03-03 2015-09-02 $7700.00 Window Closed / Lapsed

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