Harold Benoit resumes & CV records
Resumes
Harold P Benoit, Age 842107 Eagle Dr, Freeport, IL 61032
Harold Benoit Phones & Addresses
Freeport, IL
Savanna, IL
1408 27Th St, Rockford, IL 61108
940 Southrock Dr, Rockford, IL 61102
Dubuque, IA
Glade Park, CO
Seattle, WA
South Beloit, IL
2107 Eagle Dr, Freeport, IL 61032
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Us Patents
Anti-Backlash Nut Assembly
US Patent:
4433590, Feb 28, 1984
Filed:
Aug 28, 1981
Appl. No.:
6/297222
Inventors:
Harold P. Benoit - Rockford IL
Leonard J. LaPasso - Rockford IL
Ian McBain - Rockford IL
Leonard J. LaPasso - Rockford IL
Ian McBain - Rockford IL
Assignee:
Motion Control, Inc. - Rockford IL
Rockford Ball Screw Co. - Rockford IL
Rockford Ball Screw Co. - Rockford IL
International Classification:
F16H 5518
US Classification:
74409
Abstract:
An anti-backlash nut assembly is disclosed for longitudinal movement along a screw which has an external thread thereon, in response to relative rotational movement between the nut assembly and the screw. The assembly includes a first nut part having an internal thread complementary to the external thread of the screw, and a second nut part also having an internal thread complementary to the external thread of the screw. A coil spring is interconnected between the first and second nut parts for applying torque thereto and rotatably biasing the nut parts together to eliminate backlash therebetween and improve the positional accuracy of the nut assembly along the screw. A cylindrical collar is sandwiched between a pair of opposed portions of the nut parts and surrounds the coil spring. With this structural combination, the anti-backlash nut assembly can be adjustably preloaded by relatively rotating the nut parts to selectively preload the coil spring to a desired torque. The assembly then is rotated onto the screw with the torsion spring so preloaded.
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