Patent ID: 6918151
Filing Date: 2005-07-19
Classification: B65G

Abstract:
1. A dock leveler comprising: a ramp configured for movement between a raised and lowered position; a support leg coupled to the ramp, the support leg configured to move between a support position and a retracted position, the support leg configured to move to the support position when the ramp moves faster than a predetermined speed toward the lowered position; a lip pivotally connected to the ramp and movable between a raised and lowered position; an engaging member connected to the lip; a cam surface located on a cam arm pivotally attached to the support leg and configured to engage the engaging member to cause the support leg to move to the retracted position when the lip is moved to the raised position and retract toward the support leg and disengage from the engaging member when the ramp moves faster than a predetermined speed toward the lowered position; a biasing member having a first and a second end, and being connected to the ramp at the first end; and a release lever coupled to the second end of the biasing member, and the release lever also coupled to the support leg.