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US 3,937,517 AGranted
Protective canopy
AssigneeJoy Manufacturing Company
InventorsWilliam J. Donovan, G. Robert Frey
Life of this patent
Estimating the term…
Abstract
An underground mining apparatus and more particularly an underground mining apparatus having improved protective canopy means extending partially thereover.
Claims8
A mobile machine comprising:
- a chasis;
- a canopied occupant positioning assembly carried by said chassis;
- said positioning assembly including an occupant support portion and an overlying rigid canopy portion and being adapted to receive an occupant therewithin and to orient such occupant to face in a forward direction;
- said canopy portion being pivotally connected adjacent one peripheral portion thereof to said chassis and connected adjacent an opposite peripheral portion thereof with said support portion;
- said one peripheral portion being spaced from said opposite peripheral portion in said forward direction;
- and adjusting means communicating between said assembly and said chassis for selectively adjusting the overall height of said occupant positioning assembly.
3 more elements
Dependencies are inferred from the claim text.