Presses – With ground-traversing wheels or guides
Patent
1996-05-01
1997-08-12
Gerrity, Stephen F.
Presses
With ground-traversing wheels or guides
10026919, 100901, B30B 932
Patent
active
056554435
ABSTRACT:
A mobile car crusher (1) has two hydraulic cylinders (13, 20) with one at each end of a heavy-duty trailer. A cylinder base (14) on a bottom of each of the two hydraulic cylinders is positional hydraulically proximate a bottom of each of two cylinder-guide posts (7, 9) for travel mode and proximate a top of each of the two cylinder-guide posts for car-crusher operating mode. A hood end of each of two piston shafts (17) of each of two hydraulic pistons for the two hydraulic cylinders is attached to each of two shaft bases (19, 21) to which ends of a crusher hood (28) are attached in horizontal attitude. The two shaft bases are actuated to travel vertically for alternately car-crushing and car-acceptance action of the crusher hood in relation to a crusher floor (22) by travel of the two hydraulic pistons in hydraulic cylinders with cylinder bases fastened into an operating position proximate tops of the cylinder-post guides. With the cylinder bases unfastened from proximate tops of the plunger guides and with the cylinder bases resting at bottoms of the cylinder-guide posts, the hydraulic cylinders are actuated to travel vertically upward to position the cylinder bases for operative mode at tops of the plunger guides and to travel downward to position the cylinder bases for travel mode at bottoms of the plunger guides.
REFERENCES:
patent: 3404622 (1968-10-01), Flanagan
patent: 3517608 (1970-06-01), Tezuka
patent: 3757680 (1973-09-01), Williams
patent: 3765323 (1973-10-01), Hix
patent: 3844209 (1974-10-01), Allbritton
patent: 3942432 (1976-03-01), Cantine, Jr. et al.
patent: 3965812 (1976-06-01), Oberg
patent: 5088400 (1992-02-01), Ferguson
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