Machine element or mechanism – Elements – Gear casings
Reexamination Certificate
2011-04-12
2011-04-12
Luong, Vinh T. (Department: 3656)
Machine element or mechanism
Elements
Gear casings
Reexamination Certificate
active
07921749
ABSTRACT:
A case includes an assembling hole portion and a snap ring preassembled hereto. When fixing a bearing to the case, a first distance between both ends of the snap ring can be expanded within the assembling hole portion. The bearing is used for supporting a rotational shaft of the case. The assembling hole portion includes dual hole portions, which open at respective positions where the both ends of the snap ring can be expanded within the dual hole portions.
REFERENCES:
patent: 4875665 (1989-10-01), Kato et al.
patent: 5799697 (1998-09-01), Sakaguchi et al.
patent: 7559867 (2009-07-01), Seki et al.
patent: 2007/0149337 (2007-06-01), Okada et al.
patent: 61-41053 (1986-02-01), None
patent: 4-175541 (1992-06-01), None
Aoyama Yoshiyuki
Munakata Satoshi
Saito Daisuke
Wakabayashi Koji
Aisin Ai Co., Ltd.
Buchanan & Ingersoll & Rooney PC
Luong Vinh T.
Toyota Jidosha & Kabushiki Kaisha
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