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US6120048A Expired / Lapsed US ⏱️ 0.0 years remaining

Auxiliary steering assembly for a tricycle

Assignee: Individual
•
Filing: 1997-12-03
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Granted: 2000-09-19
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Expires: 2017-12-03
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Abstract

Abstract A tricycle is provided with an auxiliary steering device capable of manipulating the steering of the handlebars of the tricycle. The device is mounted on the rear end of the rear frame of the tricycle such that the device is connected with the handlebars of the tricycle by two connection rods. The steering of the handlebars of the tricycle is manipulated by turning the auxiliary steering device leftwards or rightwards.

Inventors

  • 👤 Hsing Li

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 17:08
CPC Classifications
B; B62; B62K; B62K9/00; B62H; B62H7/00; B62K21/00; B62K9/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 231 words
A tricycle and auxiliary steering assembly comprising: a) a front frame including a pair of handlebars for providing a primary steering device for the tricycle, a pair of spaced upper and lower connection pieces securing the handlebars together, the upper connection piece having a center hole formed therethrough, the lower connection piece having a center hole and a pair of side holes formed therethrough; b) a rear frame including a front end and a rear end, the front end being pivotally secured to the upper and lower connection pieces, a seat mounted to the rear frame; c) an auxiliary steering device including a rod having an upper end and a lower end, a handle secured to the upper end, a seat mount secured to the rear end of the rear frame, the seat mount including a pair of cross arms, the lower end of the rod being rotatably secured to the seat mount for selectively pivoting the cross arms in opposite directions; d) a pair of connecting rods, each connecting rod including a front end pivotally connected to a side hole of the lower connecting piece and a rear end pivotally connected to a cross arm; and e) wherein when a user rotates the rod by manipulating the handle, the cross arms are caused to pivot in opposite directions and thereby steer the front frame in corresponding left and right directions.
Claim 2
Dependent Claim 231 words
A tricycle and auxiliary steering assembly comprising: a) a front frame including a pair of handlebars for providing a primary steering device for the tricycle, a pair of spaced upper and lower connection pieces securing the handlebars together, the upper connection piece having a center hole formed therethrough, the lower connection piece having a center hole and a pair of side holes formed therethrough; b) a rear frame including a front end and a rear end, the front end being pivotally secured to the upper and lower connection pieces, a seat mounted to the rear frame; c) an auxiliary steering device including a rod having an upper end and a lower end, a handle secured to the upper end, a seat mount secured to the rear end of the rear frame, the seat mount including a pair of cross arms, the lower end of the rod being rotatably secured to the seat mount for selectively pivoting the cross arms in opposite directions; d) a pair of connecting rods, each connecting rod including a front end pivotally connected to a side hole of the lower connecting piece and a rear end pivotally connected to a cross arm; and e) wherein when a user rotates the rod by manipulating the handle, the cross arms are caused to pivot in opposite directions and thereby steer the front frame in corresponding left and right directions.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-09-19 2004-03-20 2004-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-09-19 2008-03-20 2008-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-09-19 2012-03-20 2012-09-19 $7700.00 Window Closed / Lapsed

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