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US 2016/0243658 A1Published application
Welding fixture apparatus
OwnerKeith Allan Greenawaltinventor
Life of this patent
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Abstract
A welding fixture apparatus has a base and an adjustable head configured for adjustable engagement with one or more workpieces and methods of use.
Claims32
A welding fixture apparatus, comprising:
- a base having a plurality of legs arranged in a generally upright orientation and extending from a lower end to an upper end;
- a support member attached to upper ends of the legs and extending generally vertically upward from the upper ends of the legs, the support member having an opening in an upper end;
- a head configured for engaging a workpiece, the head attached to a head plate, and a head shaft attached to and extending axially from the head plate and away from the head;
- a head mount configured to axially receive and rotatably hold the head shaft, the head mount attached to an upper end of a head mount shaft, a lower end of the head mount shaft received in the support member through the opening in the upper end of the support member, the position of the head mount shaft being axially adjustable and fixable relative to the support member, and a pivot located between the head shaft and the support member and connected to the head mount shaft;
- a pivot adjustment which extends from the support member to the head mount.
2 more elements
A welding fixture apparatus comprising:
- a base;
- a head configured for attachment to a workpiece, the head having a plurality of adjustable jaws mounted in a head body, the head body attached to a head shaft mounted for rotation in a head mount;
- the head mount attached to a pivot supported by a shaft which is supported by the base, and
- a pivot adjustment which extends from the head mount to the base to change a position of the head about the pivot.
1 more element
A method of positioning and holding a workpiece for welding, comprising the steps of:
- a. attaching a workpiece to be welded to a head of a welding fixture, the welding fixture being configured to position and hold the head of the welding fixture in a plurality of height positions, a plurality of pivot positions, and a plurality of radial positions;
- b. positioning and holding the head of the welding fixture at a selected height by operation of a support column and a support column lock of the welding fixture;
- c. positioning and holding the head of the welding fixture at a selected pivot position by moving the head about a pivot and fixing the head in the selected pivot position, and
- d. positioning and holding the head of the welding fixture at a selected radial position by rotating the head about a head mount shaft mounted for rotation in a head mount and fixing the selected radial position of the head by operation of a head mount lock.
1 more element
Dependencies are inferred from the claim text.