US Patent 6866607 Planetary gear device
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Patent abstract
A receiving portion 2e for rotatably receiving therein a planetary gear 3, is formed between a plurality of retaining protrusions 2d of a carrier. A connection portion 2f extending annularly about a rotation axis L is formed on an outer peripheral of a distal end portion of each retaining protrusion 2d. Through this connection portion 2f, the distal end portions of the respective retaining protrusions 2d are connected to each other. Owing to this arrangement, each retaining protrusion 2d is reinforced to minimize its deformation. As a result, deformation of the receiving portion 2e is greatly reduced and the planetary gear 3 receiving in the receiving portion 2e can rotate smoothly.
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Patent Inventor Names
Akinao Minegishi0
Makoto Nishiji0
Shinichiro Nakajima0
Date of Patent
March 15, 2005
0Patent Application Number
102297240
Date Filed
August 28, 2002
0Patent Primary Examiner
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US Patent 6866607 Planetary gear device
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