Signal detector for cycle computer with releasable strap frame m

Details Signal detector for cycle computer with releasable strap frame m Signal detector for cycle computer with releasable strap frame m

1988-03-30

1989-04-25

Levy, Stewart J.

Electricity: measuring and testing

Electrical speed measuring

Including speed-related frequency generator

292318, 24 16PB, G01P 102

Patent

active

048251569

ABSTRACT:
A signal detector for a cycle computer comprises a head, a sensor supported by the head, and a flexible strap having one end connected to the head. The head includes a housing having a curved abutment surface shaped to bear against the curved abutment surface of a support tube such as a leg of a bicycle fork or a rear stay tube. The head has a strap-guiding surface defining one wall of a strap-receiving passageway extending completely through the housing and tangent to the curved abutment surface. The passageway has a strap entrance portion adjacent the curved abutment surface and a strap exit portion remote from it. The strap has transverse teeth along the inside surface facing inwardly into the passageway when the strap extends through it. In the embodiment disclosed, the head is molded of plastics material and includes an integral pawl in the passageway. The pawl has a tooth which is elastically biased into locking engagement with the teeth on the strap which are in the form of ratchet surfaces enabling easy insertion of the strap and blocking withdrawal. The exit portion of the strap-receiving passageway is enlarged to receive a tool such as a screwdriver for disengaging the tooth on the pawl from the teeth on the strap to enable easy withdrawal of the strap.

REFERENCES:
patent: Re31689 (1984-10-01), Bulanda et al.
patent: 4352063 (1982-09-01), Jones et al.

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