Bicycle seat post flare post
US5988741A · kind A · utility
Inventors
Key dates
| Filing date | Apr 17, 1995 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Apr 17, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62J1/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A lightweight, high strength bicycle seat post for securing a bicycle seat to a seat tube of a bicycle frame. It comprises a hollow metal tubular member having a seat tube portion for reception in and securement to the seat tube of a bicycle frame, and an integral head portion comprised of four planar walls diverging in an upward direction to form an open space. A pair of the sidewalls are oriented in a fore and aft direction to the fore and aft direction of the bicycle seat and a pair of end walls which are transverse to the fore and aft direction and connects the fore and aft ends of the pair of sidewalls together defining the open space, which, preferably, is generally rectangular. The upper edges of the sidewalls have arcuate load reacting edges, which define a seat angle adjustment path, and a clamp assembly secures the bicycle seat to the load reacting edges so that the seat loads are transferred directly to the load reacting edges at any seat angle. In a preferred embodiment, the integral head portion is formed by a metal swaging process from an extruded metal tube and the metal tube is selected from steel, aluminum, or titanium alloy. The arcuate load reacting edges of the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.