Excavating – Digging edge – Tooth or adaptor
Patent
1994-06-28
1995-11-14
Nicholson, Eric K.
Excavating
Digging edge
Tooth or adaptor
37455, E02F 928
Patent
active
054655129
ABSTRACT:
Implement assemblies have previously used mechanically attached adapters that are secured to the base edge by bolts and/or other wedging type mechanisms. In these known implement assemblies, the wedge member has a tendency, during use, to become loose and fall out which allows the adapter to fall off of the base edge. In the subject arrangement, a clamp member is disposed in a longitudinally extending opening of an upper strap of an adapter and a wedge member is forcibly driven into the assembly such that the wedge member is disposed between the clamp member and the adapter to effectively secure the upper strap in intimate engagement with a mounting portion of an implement. At the same time, a resilient pad member is disposed between the adapter and the wedge member which effectively biases the adapter into intimate contact with the mounting portion of the implement. This arrangement allows both the wedge member and the clamp member to move in conjunction with the adapter, thus, eliminating if not reducing any tendency of the wedge member to become loose and fall out.
REFERENCES:
patent: 3572785 (1971-03-01), Larson
patent: 3722932 (1973-03-01), Dougall
patent: 3774324 (1973-11-01), Laford
patent: 4231173 (1980-11-01), Davis
patent: 4267653 (1981-05-01), Hahn et al.
patent: 4271615 (1981-06-01), Jones
patent: 4282665 (1981-08-01), Fletcher et al.
patent: 4413432 (1983-11-01), Bierwith
patent: 4980980 (1991-01-01), Schadov et al.
patent: 5134793 (1992-08-01), Bierwith
patent: 5331754 (1994-07-01), Ruvang
Livesay Richard E.
Rozenboom Nathan G.
Shane Frederick J.
Burrows J. W.
Caterpillar Inc.
Nicholson Eric K.
Pence O. Gordon
Pezzuto Robert
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