Patent ID: 6606829
Filing Date: 2003-08-19
Classification: B63B,E02D

Abstract:
A collapsible land anchor comprising:an anchor body having a tapered bottom end portion and a top end portion, the anchor body provided with a cavity extending longitudinally between the tapered bottom end portion and the top end portion; a drive anvil coupled to the top end portion of the anchor body; a runner member having a length and slidable longitudinally across the drive anvil between an operative position, in which at least a first portion of the length of the runner member extends beyond the drive anvil away from the cavity of the anchor body, and a collapsed position, in which the runner member is displaced towards the cavity of the anchor body relative to the operative position and in which at least a second portion of the length of the runner member is stowed in the cavity of the anchor body; a retraction anvil coupled to the top end portion of the runner member so as to be longitudinally spaced apart from the drive anvil when the runner member is in the operative position; a hammer weight slidable along the runner member between the drive anvil and the retraction anvil when the runner member is in the operative position; and a locking mechanism constructed and arranged to lock the runner member in the operative position.