Clevis-mounted impact ripper

Details Clevis-mounted impact ripper Clevis-mounted impact ripper

1979-02-12

1980-10-21

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

37DIG18, 172 40, 172677, A01B 3500

Patent

active

042290449

ABSTRACT:
An improved ripper assembly (10) wherein a ripper shank (19) is mounted to the beam (11) of a tractor by a clevis pin (22) so as to minimize side forces acting on the shank pin (25). The vertical axis of the clevis pin may be aligned with the distal end (34) of the ripper tip (21) and the horizontal axis (24) of the shank pivot pin (25). The impact surfaces (28,29) of the impacting mechanism (18) and shank (19) preferably define a plane of abutment in which lies a radius (30) from the horizontal shank pivot pin axis (24). This plane is further preferably accurately perpendicular to the ripper tip axis (31) extending perpendicularly to the radius (30). The arrangement provides a free pivoting action of the ripper assembly about the vertical axis of the clevis pin so as to effectively minimize side loads for improved extended life of the ripper assembly (10).

REFERENCES:
patent: 2998965 (1961-09-01), Larson
patent: 3336082 (1967-08-01), Bodine
patent: 3698484 (1972-10-01), Kinnan
patent: 3770322 (1973-11-01), Cobb et al.
patent: 4003603 (1977-01-01), Stemler et al.
patent: 4070064 (1978-01-01), Cobb et al.

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