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US 4,177,550 AGranted
Machine tool with hollow structural steel members
AssigneeKearney & Trecker Corporation
InventorsCharles B. Sipek, Richard Johnstone, Russell B. Clegg
Life of this patent
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Abstract
The bed and upright of a machine tool are made of structural steel tubes which are welded together to form unitary structures. Each of the structural steel tubes is substantially rectangular in cross-sectional shape.
Claims6
In a machine tool having a bed and having a member slidably mounted on said bed for movement along a horizontal axis, the improvement wherein said bed comprises a plurality of structural steel tubes;
- all of said tubes being substantially rectangular in cross-sectional shape and extending in a parallel relationship, at least one flat longitudinal face of each of said tubes being in abutment and connected with an adjecent tube,
- means connecting the ends of all of said tubes together to form a unitary structure;
- and,
- a pair of ways attached to said tubes for slidably supporting said member.
1 more element
Dependencies are inferred from the claim text.