Patent ID: 8365867
Filing Date: 2013-02-05
Classification: F16N

Abstract:
1. A feeding lubricating device comprising a lubricant reservoir, a pump housing, a lubricant pump in the pump housing drivable by a drive motor having a rotatable drive shaft, said lubricant pump comprising at least one pump element for conveying lubricant via a lubricant conduit to at least one lubrication point, and an eccentric on the drive shaft for generating at least one pump stroke of the at least one pump element, characterized by a pressure relief unit which blocks a return conduit fluidly connecting the lubricant conduit and the lubricant reservoir in a pressure phase and unblocks the same in a subsequent relief phase, wherein the pressure relief unit is actuated by rotation of a cam disk on the drive shaft, and wherein the pressure relief unit includes a rocker mechanism comprising a transmission element resting against a cam surface of the cam disk, said rocker mechanism being configured such that rotation of the drive shaft and the cam disk through a full rotation in one direction results in no transmission of power to the rocker mechanism to unblock the return conduit during said pressure phase, and such that rotation of the drive shaft and cam disk in a reverse direction results in transmission of power to the rocker mechanism to unblock the return conduit during said relief phase.