Patent ID: 6629811
Filing Date: 2003-10-07
Classification: E02F,Y10T

Abstract:
A quick fastener system for fixing a tool at the end of a loading arm, the system comprising:a first part coupled to the loading arm; the first part comprising a cradle and a first aperture; a second part arranged on the tool; the second part comprising an element having a hook-shaped extension and a shaft which is adapted to be engaged by the cradle; the hook-shaped extension having an engaging surface; a locking plate adapted to engage the hook-shaped extension; the locking plate having an engaging surface and an aperture which receives the hook-shaped extension; the engaging surface of the locking plate engaging the engaging surface of the hook-shaped extension while the hook-shaped extension protrudes through the first aperture and the aperture of the locking plate; and a mechanism for biasing the locking plate towards a position in which the engaging surface of the locking plate engages the engaging surface of the hook-shaped extension, wherein the tool is movable by the loading arm when the cradle engages the shaft and when the locking plate engages the hook-shaped extension, and wherein the locking plate moves towards the cradle when the locking plate engages the hook-shaped extension.