Bicycle handlebar stem assembly

Details Bicycle handlebar stem assembly Bicycle handlebar stem assembly

1982-01-21

1985-07-02

Kundrat, Andrew V.

Joints and connections

Structurally installed in diverse art device

403271, 745511, 280279, 228174, B62K 2122

Patent

active

045264910

ABSTRACT:
A handlebar stem assembly is provided for securing the handlebars to the frame of a motocross bicycle consisting of top and bottom plates formed with arcuate grooves to receive and secure the handlebars therebetween. The bottom plate is welded to a stem which attaches to the bicycle frame, and at least one generally arcuate shaped relief opening is formed in the bottom plate adjacent its welded connection to the stem for reducing the stress concentration at such connection.

REFERENCES:
patent: 3718107 (1973-02-01), Bartels
patent: 4322087 (1982-03-01), Addicks
patent: 4337962 (1982-07-01), Allen

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