F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
192/32
F16D 3/12 (2006.01) F16F 15/123 (2006.01)
Patent
CA 1297810
ABSTRACT OF THE DISCLOSURE An improved spring damper drive for a clutch driven disc assembly is disclosed. The assembly includes a pair of spaced outer covers connected to a generally cylindrical central hub. An annular support plate is disposed about the hub between the outer covers and is rotatable relative thereto throughout a limited distance. The outer covers and the support plate each have respective pluralities of openings formed therethrough. The openings are adapted to be aligned with one another so as to receive and retain respective pairs of dampening coil springs therein. Each spring opening is shaped generally in the form of a truncated sector, having a linear inner wall oriented perpendicularly to a bisecting radius of the outer cover, a pair of end walls extending perpendicularly outwardly from each end of the linear inner wall, and an arcuate outer wall connecting the two end walls. The peripheries of the spring openings formed in the two outer covers are defined by flanges which extend thereabout in opposed fashion. The radially outermost corners of each of those flanges are formed having shoulders which extend inwardly from the arcuate outer wall. The shoulders are provided to re-position the ends of the coil springs according to the amount of compression thereof caused by rotation of the support plate relative to the outer covers. As a result, the springs are properly positioned throughout relatively large amplitudes of angular displacement of the support plate relative to the outer covers, and premature wear of the springs is avoided.
553382
Bassett Michael L.
Dana Corporation
Ridout & Maybee Llp
LandOfFree
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