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US 7,938,425 B2Granted
Bicycle assembly with rear shock
AssigneeSpecialized Bicycle Components, Inc.
InventorJason L. Chamberlain
Life of this patent
Estimating the term…
Abstract
A bicycle frame can have a main frame, a sub-frame and a shock. The sub-frame can move in relation to the main frame and the shock can be used to regulate that relationship. A linkage can also be used to regulate the relationships and control the rotation. The shock can further have a pair of extension arms to span a seat tube which is part of the main frame.
Claims20
A bicycle assembly comprising:
- a main frame comprising a seat tube, a head tube and a connecting tube connecting the seat tube and the head tube;
- a sub-frame configured to rotate with respect to the main frame;
- and
- a shock comprising:
- a shock body having first and second ends, the first end connected to the main frame;
- and
- an extension body comprising a pair of extension arms which straddle the seat tube and connect the shock to the sub-frame, the second end of the shock body defining a first portion and the extension body defining a second portion, said first portion and said second portion configured such that the extension body will not rotate with respect to the shock body.
4 more elements
A bicycle frame comprising:
- a main frame comprising a seat tube, a head tube and a top tube connecting the seat tube and the head tube;
- a sub-frame configured to rotate with respect to the main frame;
- a shock comprising a first portion and a second portion, the second portion comprising a pair of extension arms;
- and
- a linkage;
- wherein the extension arms straddle the seat tube, the seat tube having a lower portion defining a central axis and the shock connected at the first portion to the main frame at a first pivot point, the first pivot point being forward of the central axis of the seat tube, the shock connected to the linkage at a second pivot point at the second end of the shock, the second pivot point being behind the central axis of the seat tube, the linkage having three pivot points each defined as a connection point between the linkage and the main frame, the shock and the sub-frame, wherein the linkage connection point to the main frame is forward of the central axis of the seat tube.
3 more elements
Dependencies are inferred from the claim text.