Patent ID: 7685688
Filing Date: 2010-03-30
Classification: B66F,Y10T

Abstract:
1. A forced puller comprising: a central seat having a threaded hole centrally defined therein and extending therethrough, the central seat having two opposite sides each having a rod perpendicularly extending therefrom relative to an axis of the threaded hole, each rod having a groove longitudinally defined in an outer periphery thereof; two hook members respectively slidably mounted to a corresponding one of the two rods, each hook member formed with a hook adapted to be engaged to a workpiece that is purposed to be detached, each hook member having a locking extending therethrough and partially received in a corresponding one of the two grooves for holding the hook member in place; and a main threaded rod screwed through the threaded hole in the central seat, the main threaded rod having a polygonal head formed on a first end thereof for user to forcefully rotated the main threaded rod and a push portion formed on a second end of the main threaded rod to securely and longitudinally abut against the workpiece after rotating the main threaded rod; wherein the rod of the central seat has a polygonal cross-section and each hook member has polygonal through hole defined to selectively and slidably received the rod to prevent the hook member from being rotated relative to the rod; wherein each of the rods of the central seat and the polygonal through hole in each of the hook member has a hexagon cross-section.