B - Operations – Transporting – 27 – F
Patent
B - Operations, Transporting
27
F
144/95, 144/96
B27F 1/00 (2006.01) B23Q 35/46 (2006.01) B27F 1/12 (2006.01)
Patent
CA 1172944
DOVETAIL FIXTURE ABSTRACT A dovetail fixture for guiding a cutting tool in cutting mortises and tenons is described which can be simply used in cutting mortises and tenons at either of two selectable pitches. The fixture includes a base equipped with a hori- zontal table or work receiving surface and a vertical apron or work receiving surface. The surfaces are adapted to sup- port work pieces in orthogonal positions with the end of a horizontal work piece in abutting relation with the end of a vertical work piece. Also included is a first clamping means adapted to clamp the horizontal work piece against the horizontal work receiving surface and a second clamping means adapted to clamp the vertical work piece against the vertical work receiving surface in their abutting positions. A cutter guiding template is employed having one of its edges formed with a first series of alternating guide fin- gers and slots and having a second, opposite edge formed with a second series of alternating guide fingers and slots. The template is adapted to overlie one of the work pieces and to be clamped thereupon in a position such that the outer edges of one selected set of slots and fingers is in alignment with the outer surface of the work piece. The template is held in position by a pair of L-shaped angle support brackets pivotally mounted to the template. Each support bracket is mounted with the template by means of a single screw generally on the longitudinal center line of the template between the slotted edges so as to be pivotal therearound to selectively position the desired series of slots and fingers in tool guiding position.
400288
Gowling Lafleur Henderson Llp
Singer Company (the)
LandOfFree
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