F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 55/24 (2006.01) F16D 55/28 (2006.01) F16D 59/02 (2006.01) F16D 65/14 (2006.01) F16D 55/00 (2006.01)
Patent
CA 2154095
The magnetic air gap in a spring set brake, SSB, is set independently of the length of the legs spacing the pressure plate from the pole face which controls the axial travel length of the armature between a released position engaging the pole face and a braking position pushing a friction disc against the pressure plate. The legs have radially inwardly facing mounting surfaces engaging and retaining the pressure plate. The legs have axially extending line contact guide surfaces for the armature, minimizing magnetic flux leakage through the legs to the armature, and instead concentrat- ing magnetic flux at the pole face to maximize magnetic force attracting the armature. An injection molded friction disc is provided, as well as a keyed hubless design. A manual release mechanism is also provided. An energization coil is provided enabling simplified connec- tion lead bonding.
Baker William A.
Zwitter Thomas M.
Borden Ladner Gervais Llp
Rexnord Corporation
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