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Drive mechanism
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Patent number 4,680,980
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Issue date Jul 21, 1987
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A. O. Smith Harvestore Products, Inc.
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George E. Olson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drive mechanism for a rotatable sweep arm
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Patent number 4,436,473
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Issue date Mar 13, 1984
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A. O. Smith Harvestore Products, Inc.
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George E. Olson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Drive mechanism for a bottom silo unloader
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Patent number 4,426,187
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Issue date Jan 17, 1984
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A. O. Smith Harvestore Products, Inc.
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George E. Olson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Bi-directional ratchet drive mechanism
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Patent number 3,962,925
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Issue date Jun 15, 1976
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A. O. Smith Harvestore Products, Inc.
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George E. Olson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...