F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
262/82
F16B 1/00 (2006.01)
Patent
CA 1314909
ABSTRACT A coupling means for detachably coupling a working implement (1) to the operating arm of an excavating machine, said implement having an upper surface facing the operating arm, said coupling means comprising a first attachment member (11) which is rigidly mounted to the upper surface of the implement (1) and comprises a coupling element (13), and a second attachment member (12) supported by the operating arm stick (6) and operating cylinder (7) via horizontal, parallel shafts (8, 9) and comprising a coupling element (15) con- sisting of two locking parts (21, 22) arranged movable in relation to each other to be brought into locking engagement with the coup- ling element (13) of the first attachment member (11) by means of a power-generating means (32), said coupling elements (13, 15) having cooperating engagement surfaces (17, 25, 27) which when the attach- ment members (11, 12) are connected together, are located in a com- mon reference plane (R) which is perpendicular to a common central plane for the stick (6) and operating cylinder (7). In accordance with the invention all engagement surfaces (17, 25, 27) of the two coupling elements (13, 15) have a circle arc-shaped extension in said reference plane (R) and have the same radius.
602584
F. Hulden Gravmaskiner Ab
Gowling Lafleur Henderson Llp
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