Timber dapping apparatus

Woodworking – Gaining machine

Patent

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Details

144 2R, 144136R, B27C 500

Patent

active

044637861

ABSTRACT:
Apparatus for cutting flat bottomed daps in heavy timber includes conveyor means for moving the timber through the apparatus and a cutter head operable to cut a relatively wide dap in one surface of the timber. The cutter head is supported for movement to adjust the depth of the dap and to adapt the apparatus to dap timber of various sizes. The cutter head is also supported for limited movement longitudinally of the timber along a track mounted for limited pivotal movement about an axis extending in spaced relation to and transversely of the timber whereby the angle of the bottom surface of the dap relative to the longitudinal axis of the timber can be varied. By moving the cutter head to a plurality of positions along its pivotal support track and moving the cutter head and timber relatively to one another to make a dap at each position with the daps either overlapping or being spaced from one another, the bottom surface of the respective daps will all lie in a common plane. A laser beam mounted on the cutter head support can project a line of high intensity light on the timber to clearly indicate the depth and angle of the cut to be made by the cutter head in any adjusted position.

REFERENCES:
patent: 880177 (1908-02-01), Thomas
patent: 901681 (1908-10-01), Collet
patent: 999623 (1911-08-01), Altenstein
patent: 1086209 (1914-02-01), Dankl
patent: 1141887 (1915-06-01), Purdy et al.
patent: 1159795 (1915-11-01), Purdy et al.
patent: 1210908 (1917-06-01), Collet
patent: 1704273 (1929-03-01), Alinder et al.
patent: 2520457 (1950-08-01), Cook
patent: 3799224 (1974-03-01), Vizziello et al.
patent: 4071060 (1978-01-01), Busch
Carter Laser Guide Line Light, Carter Products Company, Inc., Grand Rapids, Michigan 49503, May 1, 1979.

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