Swivelling working vehicle

Details Swivelling working vehicle Swivelling working vehicle

1983-12-14

1987-07-21

Look, Edward K.

Power plants

Pressure fluid source and motor

Control by independently operated punch card, tape, digital...

60390, 60392, 60395, F16D 3100

Patent

active

046809295

ABSTRACT:
A working vehicle having a working device mounted on a swivel base rotated by a hydraulic motor. There is provided a control system which causes the swivel base to start and stop smoothly at highest possible standard speeds which are preset for an entire swivelling range.

REFERENCES:
patent: 2955210 (1960-10-01), Dean et al.
patent: 3055180 (1962-09-01), Kane
patent: 3490606 (1970-01-01), Gordon
patent: 3739652 (1973-06-01), Caldwell et al.
patent: 3760591 (1973-09-01), Gordon
patent: 4399653 (1983-08-01), Pylat, Jr.

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