Hinge mortising fixture

Details Hinge mortising fixture Hinge mortising fixture

1997-07-23

1999-01-26

Bray, W. Donald

Woodworking

Process

Mechanical cutting or shaping

144 27, 1441441, 144 84, 33197, B27F 500, B27C 500

Patent

active

058628487

ABSTRACT:
A mortising fixture that utilizes interchangeable templates to guide an electric router fitted with a template guide bushing. The templates are held in a fixture plate that is positioned on the box or lid surface to be mortised and which plate is clamped to the lid or box in a position that is determined by (1) a fixture fence that rests against the back edge of the lid or box and (2) a adjustable end stop that indexes against the lid or box sides. One box mortise and the opposite lid mortise are made with the end stop screw block in one position on the fixture plate, and the other two mortises are made after flipping the fixture block and adjusting screw to a corresponding position on the other side of the plate.

REFERENCES:
patent: 2355603 (1944-08-01), Zern
patent: 2427081 (1947-09-01), Zern
patent: 2605790 (1952-08-01), Schwarzer
patent: 2801655 (1957-08-01), Zern
patent: 2894353 (1959-07-01), Zern
"Pro-Template Systems" on p. 150 of Woodcraft.RTM. May 1997 catalog.
Undated Professional Template Systems instructions obtained by applicant with item #126844 (PTS#2(B)) ordered by applicant from Woodcraft.RTM. May 1997 catalog.

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