Patents by Inventor Darrell W. Cline

Darrell W. Cline has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4632087
    Abstract: An improved arrow support device including a pair of arrow clamping jaws pivotally secured to a pivot frame connected along a vertical pivot axis to a support bracket attached to the bow. The pivot frame is spring-biased to a neutral position and rotatable by the archer so that the jaws can be manually pressed into contact with the arrow shaft. A clamping block and pin, engaging inclined surfaces of the jaws and carried by a rotatable pivot shaft supported on the frame, are pivoted towards each other in response to the manual rotation of the shaft to tightly clamp the jaws against the arrow. The arrow is further maintained in contact with the bow string by transmitting the spring bias of the pivot frame to urge the nocked end of the arrow against the bow string. To disengage the jaws, the shaft is manually rotated in the opposite direction so that the clamping block and pin slide back towards the pivot ends of the jaws allowing spring pressure to separate the jaws.
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: December 30, 1986
    Inventor: Darrell W. Cline