B - Operations – Transporting – 27 – B
Patent
B - Operations, Transporting
27
B
143/76
B27B 33/08 (2006.01) B23D 61/02 (2006.01)
Patent
CA 1116980
ABSTRACT OF THE DISCLOSURE A vibration damped rotary disk is provided and includes a pair of circular disk panels disposed in side-by-side superposed relation. The panels include shallow concentric and opposing annular recesses formed therein of a radial extent greater than one-half the radial extent of the panels and spaced inwardly of the outer marginal portions of the panels. A filler of mechanical vibration dampening and absorbing material is disposed in and fills the recesses and the outer marginal portions of the disk panels disposed outwardly of the recesses are secured together. Preferably, circumferentially spaced rivets are utilized to secure the outer marginal portions of the disk panels together and those opposing surfaces of the disk panels disposed radially outwardly and radially inwardly of tile recesses have a thin layer of Teflon interposed therebetween, the disk panels being constructed of metals. The opposing inner surfaces of the recesses may be finely or coarsely roughened, to provide intimate stabilization of the filler material relative to the disk panels. Such roughening may be in the form of fine concentric circular grooves formed in the recess inner surfaces or by more coarse texturing of the recess inner surfaces.
333819
Beaty Loma B.
Macrae & Co.
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