Attachment fixture for manufacturing elliptical arches using...

Woodworking – Special-work machine – Combined

Reexamination Certificate

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Details

C144S134100, C144S137000

Reexamination Certificate

active

06964286

ABSTRACT:
The present invention is an attachment fixture that is used in conjunction with a single-pass radius molding system to manufacture elliptical arches. The attachment fixture includes a vertical beam, a horizontal self-centering rack mounted at top end of the vertical beam, a swivel base attached at bottom end of the vertical beam, and a holding clamp attached to the swivel base.

REFERENCES:
patent: 2312914 (1943-03-01), Koszeghy
patent: 3092154 (1963-06-01), Dobslaw
patent: 4497353 (1985-02-01), Sproat, Jr.
patent: 4784192 (1988-11-01), Raggiotti
patent: 6488061 (2002-12-01), White

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