Patents by Inventor Tatsuo Ina

Tatsuo Ina 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: 4533103
    Abstract: The invention relates to a device in a universal head for rocking a camera attached to a tripod. The device includes a table attached to the upper end of the tripod and provided with a central boss protruding upright therefrom, and a rotary sleeve mounted on the table for rotation in the horizontal directions and in such a manner as to be rocked to the left and right. As the rotary sleeve is rotated to the left and right, the position of contact point between the cam portion and the cam receiving member is changed to rock the camera to the left and right together with the tilt bed.
    Type: Grant
    Filed: March 9, 1982
    Date of Patent: August 6, 1985
    Inventor: Tatsuo Ina
  • Patent number: 4453686
    Abstract: This invention relates to a tripod for cameras, which is capable of regulating an angle at which the leg units thereof are opened, to thereby allow an object to be photographed at a low angle, and which consists of a tripod head, leg units each of which is oscillatably supported on the tripod head and each of which has projections at that end portion thereof which is above the oscillatably supported portion thereof, and regulators each of which is supported on a shaft in such a manner that the regulator is urged in a direction at right angles to the relative leg unit and each of which has alternately-arranged projections and recesses in that position thereon which is on the side of the tripod head and in opposition to the projections provided on the leg units coming into contact, when the leg units are opened in the usual condition, with the projections provided on the regulators, to thereby allow the leg units to be set at the most-frequently-used leg-opening angle, the projections provided on the relative l
    Type: Grant
    Filed: July 21, 1981
    Date of Patent: June 12, 1984
    Inventor: Tatsuo Ina
  • Patent number: 4174900
    Abstract: A tripod for a camera having legs with telescoping portions, each of which is U-shaped in cross-section; snap levers are mounted on the interior of the legs to hold the legs in a fixed extended position and to permit the legs to be collapsed without interfering in the telescoping action so that the inner leg portions can be fully retracted.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: November 20, 1979
    Assignee: Mitsuwa Shashin Kogyo Kabushiki Kaisha
    Inventor: Tatsuo Ina