Pipelayer With Cab Riser
First Claim
1. A pipelayer comprising:
- an undercarriage having at least two tracks, each track comprising;
a track frame coupled to the undercarriage, anda track shoe supported by and movable around the track frame; and
a main assembly supported by the undercarriage and rotatable relative thereto, the main assembly comprising;
a main frame,a boom pivotally mounted to the main frame,an operator cab, anda cab riser connecting the operator cab to the main frame, the cab riser operable to selectively raise and lower the operator cab relative to the main frame.
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Accused Products
Abstract
A pipelayer having an undercarriage with at least two tracks and a main assembly. Each track has a track frame coupled to the undercarriage and a track shoe supported by and movable around the track frame. The main assembly is supported by and rotatable relative to the undercarriage, and has a main frame, a boom pivotally mounted to the main frame, an operator cab, and a cab riser connecting the operator cab to the main frame. The cab riser is operable to selectively raise and lower the operator cab relative to the main frame. Also provided is a movable cab assembly having an operator cab, an adjustment mechanism to connect the cab to a vehicle frame and move to change the operator'"'"'s view, and a guide to align the cab. A method for laying pipe using a pipelayer having a movable cab is also provided.
35 Citations
28 Claims
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1. A pipelayer comprising:
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an undercarriage having at least two tracks, each track comprising; a track frame coupled to the undercarriage, and a track shoe supported by and movable around the track frame; and a main assembly supported by the undercarriage and rotatable relative thereto, the main assembly comprising; a main frame, a boom pivotally mounted to the main frame, an operator cab, and a cab riser connecting the operator cab to the main frame, the cab riser operable to selectively raise and lower the operator cab relative to the main frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A movable cab assembly for industrial vehicles, the movable cab riser assembly comprising:
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an operator cab; an adjustment mechanism adapted to connect the operator cab to an industrial vehicle frame, and selectively move the operator cab relative to the industrial vehicle frame to modify an operator'"'"'s field of view; and a guide mechanism for insuring proper alignment and travel of the operator cab relative to the industrial vehicle frame. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A method of laying pipe using a pipelayer equipped with a cab riser for adjusting the height of an operator cab, the method comprising:
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lifting a pipe using a boom of the pipelayer; rotating the boom and the pipe relative to a pipelayer undercarriage; adjusting a position of an operator cab relative to the pipelayer undercarriage to provide a different field of view into a trench into which the pipe is to be positioned; and lowering the pipe into the trench using the pipelayer. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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Specification