Skate bike
First Claim
Patent Images
1. A skate bike comprising:
- a frame including a seat tube, two downwardly extending seat stays jointed to a lower end of said seat tube, a substantially horizontally extending U-shaped tube having two straight tube portions and a circular portion connecting an end of one straight tube portion to an end of the other straight tube portion, a bar connecting the straight tube portions of said U-shaped tube to each other at a substantially mid-length of each straight tube portion, and an arc-shaped tube with one end thereof connected to a junction of said seat tube and said two seat stays and the other end thereof connected to said bar;
a spring seat saddle connected to an uper part of said seat tube of said frame;
a wheel including a central axle connectable to said frame, a wheel body, a plurality of spokes, and a tire covering said wheel body, said central axle having a first protuberance substantially vertically formed on each side thereof for engaging with said seat stays of said frame and a second said protuberance substantially horizontally formed on each side thereof for engaging with said two straight tube portions of said U-shaped tube;
a pair of pedals connected to a pair of cranks which are formed on respective sides of said central axle of said wheel;
a cover plate provided on a front part of said U-shaped tube of said frame;
a pair of foldable supporting shafts pivotally provided on said U-shaped tube at a position substantially below said cover plate; and
an auxiliary wheel set provided on a lower side of said U-shaped tube at the position of said circular portion.
0 Assignments
0 Petitions
Accused Products
Abstract
A skate bike including a frame; a spring seat saddle connected to an upper part of the frame; a wheel having a central axle connected to a lower part of the frame; a pair of pedals provided on either side of the wheel; a pair of supporting shafts pivotally provided on the frame at suitable position to define a support for feet of a passenger; and an auxiliary wheel set provided on the frame at a suitable position. The skate bike is effective as an unicycle and also effective as an ice scooter or a grass scooter when used in conjunction with a pair of ski poles.
127 Citations
16 Claims
-
1. A skate bike comprising:
-
a frame including a seat tube, two downwardly extending seat stays jointed to a lower end of said seat tube, a substantially horizontally extending U-shaped tube having two straight tube portions and a circular portion connecting an end of one straight tube portion to an end of the other straight tube portion, a bar connecting the straight tube portions of said U-shaped tube to each other at a substantially mid-length of each straight tube portion, and an arc-shaped tube with one end thereof connected to a junction of said seat tube and said two seat stays and the other end thereof connected to said bar; a spring seat saddle connected to an uper part of said seat tube of said frame; a wheel including a central axle connectable to said frame, a wheel body, a plurality of spokes, and a tire covering said wheel body, said central axle having a first protuberance substantially vertically formed on each side thereof for engaging with said seat stays of said frame and a second said protuberance substantially horizontally formed on each side thereof for engaging with said two straight tube portions of said U-shaped tube; a pair of pedals connected to a pair of cranks which are formed on respective sides of said central axle of said wheel; a cover plate provided on a front part of said U-shaped tube of said frame; a pair of foldable supporting shafts pivotally provided on said U-shaped tube at a position substantially below said cover plate; and an auxiliary wheel set provided on a lower side of said U-shaped tube at the position of said circular portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
Specification