초록

A convertible moveable transparent sail adapted for bicycle to increase forward thrust, journaled for repositioning by cyclist in operation and readily reconfigurable for stowage.

대표청구항 ▼

In a bicycle having a sail, the combination comprising: an apparatus for bicycle (39) having a front wheel and rear wheel, each with an axle, to increase its forward thrust when available winds exist in a desired direction wherein said rear wheel includes a frame, said apparatus comprising; sail sup

In a bicycle having a sail, the combination comprising: an apparatus for bicycle (39) having a front wheel and rear wheel, each with an axle, to increase its forward thrust when available winds exist in a desired direction wherein said rear wheel includes a frame, said apparatus comprising; sail support means comprising a U-shaped structure (1) mounted over said rear wheel journaled at the lower ends by bores matching said rear axle, said support means secured by nuts (18) to said rear axle and secured in position by upper braces (19) interconnecting the bicycle frame with said support means, and means on the uppermost surface of said support (1) for mounting a pad (31) secured to a vertical spindle (21), said vertical spindle being concentric with an upper matching spindle having a U-shaped yoke (3), an outer tube (20) journaling both said spindle and U-shaped yoke (3) and said vertical spindle (21), the upper end of said outer tube (20) secured to said spindle and U-shaped yoke (3), the lower end of said outer tube being slotted and clamped to said spindle (21) by a surrounding collar (25), and a grip handle (16) connected to said collar, said U-shaped yoke (3) bored 90 degrees through the radial arc portion (49) of said U-shaped yoke.