Patents Assigned to Nippon Hoist Co., Ltd.
  • Hook device
    Patent number: 4112750
    Abstract: The present invention relates to a hook device with which safe handling operation can be assured. This device is constructed such that, as any load heavier than the predetermined weight is applied thereto, an eccentric shaft carrying a pulley for suspension thereof is rotated, and thereby an appropriate load indicating means is actuated. By use of the hook device according to this invention, a signal indicates to an operator that a load more than the predetermined level has been applied.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: September 12, 1978
    Assignee: Nippon Hoist Co., Ltd.
    Inventor: Sakae Murakami