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Vertically-movable-operator-s-compartment-for-a-self-propelled-mine-vehicle

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Vertically movable operator's compartment for a self-propelled mine vehicle

Details

Inventors: Kutay, Carl; Wamsley, Scott; DeLong, Henry B.;
Assignee: Consolidation Coal Company (Pittsburgh, PA)
Primary Examiner: Song; Robert R.
Assistant Examiner:
Attorney, Agent or Firm: Mikesell, Jr.; William A., Price, Jr.; Stanley J.

A self-propelled vehicle for transporting dislodged material out of a mine includes a mobile body supported on driven wheels and vertical side walls that define a material haulage compartment. The vehicle is controlled from an operator's compartment that is positioned adjacent the outboard side of one of the mobile body side walls. The operator's compartment is movable relative to the side wall by a pair of vertically extending guide rails that are rigidly secured to the side wall of the operator's compartment opposite the side wall of the mobile body. A pair of vertically extending guideways are secured to the body side wall and slidably receive the guide rails. The guide rails move in the guideways to permit movement of the operator's compartment on the body side wall as the bottom portion of the comparment contacts the mine floor as the vehicle travels over the uneven undulating mine floor. A stop mechanism on the compartment prevents the guide rails from sliding out of the guideways. With the operator's compartment resting on the mine floor additional vertical clearance is provided for installation of a protective overhead canopy above the compartment.

DETAILED DESCRIPTION In accordance with the present invention there is provided a self-propelled vehicle for use in a mine that includes a mobile body portion and ground traction means for supporting the mobile portion for movement in the mine.
An operator's compartment is positioned adjacent the vehicle body portion.
A connecting assembly supports the operator's compartment for independent upward and downward movement of the operator's compartment on the vehicle body portion so that the operator's compartment is free to move independently of the mobile body as the mobile body moves over the irregular contour of the mine floor.
The operator's compartment includes a protective canopy that is secured to the body portion of the compartment and serves to protect the operator from solid material dislodging from the mine roof.
By supporting the operator's compartment for movement on the body portion of the vehicle, the bottom portion of the compartment remains in contact with the mine floor and thus provides additional overhead clearance for the installation of the protective canopy.
With the additional overhead clearance, the top surface of the protective canopy remains displaced from contact with the mine roof as the vehicle travels over the uneven and undulating mine floor.
The canopy is supported by vertical members that are secured to the body portion of the compartment to permit vertical adjustment of the position of the canopy relative to the top of the vehicle side wall.
Thus, the canopy may be raised or lowered on the compartment as necessitated by the clearance between the top of the side wall and the mine roof.
The connecting mechanism includes a pair of vertically positioned, spaced parallel guide rails.
The guide rails are secured to the side wall of the operator's compartment and are slidably received within vertical guideways of a plate member that is rigidly secured to the side wall of the vehicle.
The guideways include recessed portions having a configuration of the guide rails so that the guide rails are retained within the recessed portions for vertical movement as the bottom portion of the compartment follows the uneven contour of the mine floor

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