Operator's cab for drill rig

Details Operator's cab for drill rig Operator's cab for drill rig

1976-12-23

1979-05-29

Peters, Jr., Joseph F.

Land vehicles: bodies and tops

Bodies

Structural detail

49463, 180 8912, B62D 2700

Patent

active

041565371

ABSTRACT:
An operator's cab for mobile earthworking machines such as drilling rigs, cranes and the like has interchangeable cab doors. One of the doors is flat or planar to reduce the exterior dimensions while the other is expanded or bulged to provide greater interior cab space when operating conditions permit. A hydraulic interlock system restricts certain machine operations when the bulged door is positioned to interfere with movement of other parts of the earthmoving machine.

REFERENCES:
patent: 1944429 (1934-01-01), Hartry
patent: 3963132 (1976-06-01), Dufour

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