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US 4,739,682 AGranted
Tube end finishing machine
OwnerOrville J. Birkestrandinventor
Life of this patent
Estimating the term…
Abstract
A tube and rod end finishing machine embodies a generally tubular portable housing within which a spindle carrying a finishing tool is axially movable. An end of the housing adjacent the tool forms one jaw of a clamshell work holder, the other jaw of which is pivoted on the housing on an axis normal to and intersecting the axis of the spindle, for movement toward and away from clamping relationship with said first mentioned jaw.
Claims15
In a tube and rod end finishing machine having a housing, a spindle axially movable with respect thereto, and means for mounting a tool on one end of said spindle;
- the improvement comprising:
- a clamshell workholder means for clamping a workpiece in position to be engaged by a tool mounted on said spindle including a first jaw fixed with respect to said housing adjacent said tool mounting means;
- and
- a second jaw carried by an arm pivotally mounted on said housing on an axis normal to and intersecting the axis of rotation of said spindle, for movement of said second jaw in an arcuate path toward and away from clamping relationship with said first jaw.
1 more element
Dependencies are inferred from the claim text.