Patents Assigned to Tiffen Mfg. Corp.
  • Lens mount accessory system
    Patent number: 5105312
    Abstract: A positioning wheel resiliently engages and moves an optical element to a selected position within a channel of a holder mounted in front of a camera lens. A brake mechanism prevents the optical element from accidentally falling out of the channel. A handle-operated camming mechanism provides for a quick lock/unlock interlock of a rotary holder in a desired angular orientation.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: April 14, 1992
    Assignee: Tiffen Mfg. Corp.
    Inventors: Ira Tiffen, Eric Seger