Patent ID: 6032553
Filing Date: 2000-03-07
Classification: B67B

Abstract:
A manually operated corkscrew, comprising:a substantially U-shaped body having first and second ends;a rack having teeth, being moveable within the body, having first and second ends, and being biased to move toward the second end of the body;two symmetrical wings attached to the second end of the rack;an extension spike pivotally mounted between the two summetrical wings on the rack;a handle pivotally attached to the body at a pivot adjacent to the first end of the body, the handle having an axis joint disposed adjacent to the pivot;a ratchet claw, with a claw end, pivotally disposed on the axis joint and biased so that the claw end engages the teeth on the rack;wherein the handle acts as a first-class lever when actuated about the pivot to gradually push the rack toward the first end of the body through progressive engagement between the ratchet claw and the teeth on the rack.