Patents by Inventor T. Sam Crisp

T. Sam Crisp 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).

  • Synchronized safety belt retractor with structural control locking means
    Patent number: 4765559
    Abstract: A structural control locking means for a safety belt retractor having a belt storage spool rotatably mounted on a shaft, the spool having a programming ratchet and a locking ratchet, each ratchet having a respective equal plurality of teeth, and a programming pawl and a locking pawl for preventing spool rotation when engaged with the respective ratchet teeth. The structural control locking means preferably comprises the provision of an actuator means for initiating movement of the programming pawl into engagement with the teeth of the programming ratchet, an inertia sensor means for moving the actuator means and a control means. The control means includes a pawl mounting means for mounting the programming pawl and a driving means for drivingly engaging the locking pawl with the locking ratchet.
    Type: Grant
    Filed: July 7, 1987
    Date of Patent: August 23, 1988
    Assignee: American Safety Equipment Corporation
    Inventor: T. Sam Crisp