Patent ID: 6508616
Filing Date: 2003-01-21
Classification: E02F

Abstract:
A bucket fastener for a hydraulic shovel, the bucket fastener being assembled between an arm of the hydraulic shovel and a dipper bucket, and comprising:a body (10) pivotally mounted with the arm (44), the body (10) having a fixed hook (11) formed at a front bottom end thereof and being suitable to receive therein a first axle of the dipper bucket, a pair of link holes (16) and a pair of first pivot holes (18) respectively defined at two opposite side walls thereof, a first pivot pin (160) and a second pivot pin (180) respectively inserted through the link holes (16) and the first pivot holes (18), wherein the first pivot pin (160) is movable along the link holes (16), and an end plate (19) formed at a rear end thereof, the end plate (19) having a ring (190) formed thereon, a pole (36) inserted through the ring (190), and a first spring (194) having a first end secured on the ring (190) and a second end attached to the pole (36); a movable seat (20) having a movable hook (22) formed at a front bottom end thereof, a second pivot hole (24) defined at a top end thereof and in alignment with the first pivot holes (18) for the first pivot pin (180) inserted therethrough, a baffle plate movably received inside the movable seat and being suitable to selectively engage with a second axle of the dipper bucket and a lever pivotally engaged with the baffle plate at a distal edge of the lever, the lever comprising a bar (27) formed on a rear side of the movable seat to limit the pivotal movement of the lever; a vertical link (40) having a first end pivotally mounted in the body (10) by the first pivot pin (160), and a second end pivotally mounted with an actuating link (48); a short link (42) having a first end pivotally mounted on the movable seat (30) and between the movable hook (22) and the second pivot hole (24), and a second end pivotally mounted with the first end of the vertical link (40); and a lateral link (46) having a first end pivotally mounted on the arm (44) and a second end pivotally mounted with the second end of the vertical link (40), whereby, by pivoting the actuating link (48), the dipper bucket (50) is rapidly assembled on the fastener with the first axle (51) attached by the fixed hook (11) and a second axle (52) attached by the movable hook (22).