Universal coupler for excavator buckets

摘要: The coupler has a pair of spaced side frames (25a) in each which first hook like aperture (13) is provided for engagement with pivot pin on an excavator bucket and wherein locking (23) moveable from into position it prevents the latching (17a) disengage second (9a), (9b) or (9c) there being plurality positions to accommodate different buckets. Preferably, apertures (27), (29), (31) are formed (25a), those one frame transversely aligned other frames, preferably also (33, 35) and/or surfaces extension thereof, through against can be passed bear prevent relative movement between frames. piston end cylinder device (19a) operating much longer stroke than usual known couplers, downwardly opening recess (15a) wider spacings buckets manufacturers.