Land vehicles – Wheeled – Occupant propelled type
Patent
1983-07-05
1985-06-25
Pekar, John A.
Land vehicles
Wheeled
Occupant propelled type
280288, 474116, B62K 1930, B62K 2502
Patent
active
045249890
ABSTRACT:
A bicycle fork end fitment connector comprising a two- or three-layer lamination press-welded into a unitary part. A base plate is cold-formed from flat, uniform thickness mild steel plate stock and has a slot. One or two face plates are formed from flat, uniform thickness stainless steel sheet stock each having a slot matching the size and shape of the slot in the base plate. A plurality of small diameter convex protuberances are formed on one side of each face plate before assembly. The base and face plates are assembled in an electric press welder with the slots in registration, while current is applied to fuse them into a solid unit. In one embodiment, a single face plate is assembled on one side only of the base plate. In another embodiment, a pair of face plates are assembled on opposite sides of the base plate. The face plate or plates comprise a raised hub portion or portions, the opposite, outer surfaces of the connector being precisely flat and parallel. By contrast with conventional hot-forged connectors, the laminated end product is closer to specified dimensions, is better looking, with clean, sharp, modern lines, and cost savings of 40% and more are achieved with no trade-off in quality, strength and durability. The invention is applicable to both rear and front fork end fitment connectors.
REFERENCES:
patent: 4174851 (1979-11-01), Huret
Pekar John A.
Schwinn Bicycle Company
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