ADJUSTABLE SPEED EFFORT-SAVING BICYCLE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 24, 2021
app pub date -
Mar 27, 2019
filing date -
Mar 27, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
Adjustable speed effort-saving bicycle, comprising a front wheel assembly, a rear wheel assembly, and a frame, the front wheel assembly and the rear wheel assembly mounted on either front or rear end of the frame, also comprising quad-connecting rod mechanism, a chain wheel, chain A, and a transmission mechanism converting rider weight into a rocking force. The quad-connecting rod mechanism is mounted on the frame. The chain wheel is on the frame and meshes with middle part of chain A. The chain wheel is connected to the rear wheel assembly via transmission apparatus. One end of chain A is connected to an output frame-connecting rod of the quad-connecting rod mechanism. A bent part extends from where the output frame-connecting rod joins the frame. Another end of chain A is connected to the bent part. A tensioner for tensioning chain A is between the bent part and the output frame-connecting rod.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully