Patents Assigned to Taiwan Rong Fu Industrial Co., Ltd.
  • Patent number: 6334609
    Abstract: A vise includes a base with a fixed jaw and a screw extends through the base and a movable jaw is connected to the screw. A frame is fixedly connected to the base and a first wedge ramp extends from the frame. A sleeve movably extends through the frame and a second wedge ramp extends from the sleeve. A spring is mounted to the screw and received in the sleeve. An end of the screw extends through the spring and extends from the hole in the frame. A crank handle is connected to the end of the screw. When the sleeve is rotated to match two respective high points of the two ramps, the sleeve and the screw are shifted and quickly clamp the object by movement of the screw.
    Type: Grant
    Filed: December 12, 2000
    Date of Patent: January 1, 2002
    Assignee: Taiwan Rong Fu Industrial Co., Ltd.
    Inventor: Lin Bin Chun