Patents Assigned to Sanage Universal
  • Patent number: 11415865
    Abstract: The invention provides a hoist mechanism for a backdrop as used in the photographic setting. The hoist uses two vertical channels, each having and upper and a lower pull around which a belt is attached. A bracket, secured to the belt, is used to secure a roller of the backdrop thereto. A connecting rod, secured to the lower pullies of the vertical channels, is used to keep the two belts operating in concert. A hand crank, secured to the connecting rod, permits the operator to move the two brackets up/down which moves the a roller having the backdrop in like fashion.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: August 16, 2022
    Assignee: Sanage Universal
    Inventor: Bo Christensen