Cutlery – Combined cutlery or combined with ancillary feature – With material-holder or disposal
Patent
1985-09-12
1988-09-20
Watts, Douglas D.
Cutlery
Combined cutlery or combined with ancillary feature
With material-holder or disposal
30228, 144 34E, E02F 328
Patent
active
047715405
ABSTRACT:
Apparatus for attachment to a boom of a backhoe or other mobile material handling machine, having a stick member pivotally attached to the boom, a first jaw and shear pivotally attached to the distal end of the stick member, and a second jaw and shear pivotally attached to the first jaw and shear, so that power actuation of one jaw causes opening and closing of the jaws and permits interleaved jaw engagement and shearing action between the jaws near the closure position. A heavy duty shear for a backhoe including a lower jaw having a shear blade and a guide blade lying along each other and tied together at their outer ends, an upper jaw defining a shear blade and having a wear plate or guide to engage and slide along the guide blade of the lower jaw, the guide blade of the lower jaw having is edge recessed below the level of the cutting edge of the shear blade of the lower jaw.
REFERENCES:
patent: 3802731 (1974-04-01), LaBounty
patent: 3814152 (1974-06-01), Pallari
patent: 3922783 (1975-12-01), Hayes
patent: 3972097 (1976-08-01), Schakat
patent: 4017114 (1977-04-01), LaBounty
patent: 4055891 (1977-11-01), Wick
patent: 4104792 (1978-08-01), LaBounty
patent: 4188721 (1980-02-01), Ramun
patent: 4198747 (1980-04-01), LaBounty
patent: 4217000 (1980-08-01), Watanabe
patent: 4248471 (1981-02-01), LaBounty
patent: 4376340 (1983-03-01), Ramun
patent: 4403431 (1983-09-01), Ramun
patent: 4519135 (1985-05-01), LaBounty
patent: 4558515 (1985-12-01), LaBounty
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