Heavy duty shear

Details Heavy duty shear Heavy duty shear

1993-08-09

1994-12-27

Watts, Douglas D.

Cutlery

Combined cutlery or combined with ancillary feature

With material-holder or disposal

2411017, B23P 1900

Patent

active

053753291

ABSTRACT:
The object of the invention is to provide an attachment heavy duty shear of reduced weight. This shear has a single-row upper jaw and a single-row lower jaw, with the upper jaw being driven by a built-in hydraulic cylinder to open and close with respect to the lower jaw. The forward end of the lower jaw has a 7-configured guide member for precluding a lateral displacement of the upper jaw in shearing. This construction provides for reduced overall weight and positive grip and shearing.

REFERENCES:
patent: 4519135 (1985-05-01), LaBounty
patent: 4847921 (1990-02-01), Ramun
patent: 5146683 (1992-09-01), Morikawa et al.
patent: 5187868 (1993-02-01), Hall
patent: 5230151 (1993-07-01), Kunzman et al.

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