Machine element or mechanism – Control lever and linkage systems – Elements
Reexamination Certificate
2005-01-11
2005-01-11
Bucci, David A. (Department: 3682)
Machine element or mechanism
Control lever and linkage systems
Elements
C074S558500
Reexamination Certificate
active
06840135
ABSTRACT:
A safety handlebar is described in which telescopic handgrips are provided at the two opposing outer ends of the tubular frame of the handlebar. In each embodiment described, a shaft and an outer cover are locked together for telescopic movement on each tubular outer end of the handlebar frame. A bias member in the form of a coil spring biases the grip portion outward away from the tubular ends of the frame. A dampening mechanism is provided to retard the return of the grips to their original position after they have telescoped inward after impacting with the user. A hydraulic dampening system employing grease and an pneumatic system employing air are described.
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Winston,Pediatrics,vol. 102, No. 3, “Hidden Spears: Handlebars as Injury Hazards to Children,” (Sep. 1998).
Arbogast Kristy Bittenbender
Cohen Jeremy Mark
Otoya Luis
Winston Flaura Koplin
Bucci David A.
Caesar Rivise Bernstein Cohen & Pokotilow Ltd.
Johnson Vicky A.
The Children's Hospital of Philadelphia
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