Timothy C Mathewson

US Patent:

20040251655, Dec 16, 2004

Filed:

Jun 11, 2003

Appl. No.:

10/459153

Inventors:

Stuart Lindsay - Burlington VT, US
David McMath - Hinesburg VT, US
Robert Cowles - Shelburne VT, US
Timothy Mathewson - Ferrisburgh VT, US

International Classification:

B62K005/00

US Classification:

280/282000

Abstract:

A human-powered vehicle comprising a structural frame, two front wheels mounted to a forward portion of the frame for rotation, a seat secured to the frame, the seat positioned between the front wheels and adapted to pivot about a seat pivot axis, and a steerable rear wheel mounted to the frame behind the seat and defining a rear wheel kingpin axis, the rear wheel operably linked to the seat such that pivoting of the seat about the seat pivot axis causes pivoting of the rear wheel about the kingpin axis to steer the vehicle.

US Patent:

20060226628, Oct 12, 2006

Filed:

Jun 9, 2004

Appl. No.:

10/559987

Inventors:

Stuart Lindsay - Burlington VT, US
David McMath - Hinesburg VT, US
Robert Cowles - Shelburne VT, US
Timothy Mathewson - Ferrisburgh VT, US
Mark Walker - Jericho VT, US

International Classification:

B62M 1/14

US Classification:

280250000

Abstract:

A human-powered vehicle () includes a structural frame () supported on multiple road wheels including driven wheels () each rotatable about an axle for propulsion, a seat () secured to the frame () for supporting an operator, a hand crank () disposed above the driven wheel () and rotatable by hand by an operator seated in the seat (), and a steerable rear wheel () operably linked to the seat () such that pivoting of the seat () about a seat pivot axis causes pivoting of the rear wheel () to steer the vehicle ().