B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
51/47
B23D 63/14 (2006.01)
Patent
CA 1057958
TITLE: PRECISION CIRCULAR SAW BLADE GRINDING MACHINE Abstract of the Disclosure A grinding machine for sharpening circular saw blade teeth. The machine includes an arbor for supporting a circular saw blade at a pre-selected position relative to a grinding disc. The grinding disc is mounted to a parallelogram linkage that has a tracing pin fixed thereto. Movement of the tracing pin over the surface of a sawtooth-shaped template causes corresponding movement of the grinding disc against a selected sawtooth. Also included is a tooth indexing mechanism whereby precise spacing of the circular saw teeth is obtained. This is accomplished by a tooth spacing pattern mounted to the arbor and by an indexing pawl that facilitates rotation of the arbor in precise increments equal to desired spacing for the teeth of the blade being operated on. The arbor is pivot- ably mounted relative to the grinding disc to enable bevel grinding of the tooth surfaces.
278584
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