Patent ID: 7467894
Filing Date: 2008-12-23
Classification: F16C

Abstract:
1. A linear motion guide apparatus comprising: a housing including a chamber formed therein and defined by two side walls for slidably receiving an elongated track rail, and including at least one endless ball rolling passage formed therein, a plurality of bearing members received in said at least one endless ball rolling passage of said housing, at least one ball retaining device including an elongated rod for engaging with said bearing members and for retaining said bearing members to said housing, and including two end portions for fastening to said housing, and including a ring provided on each of said end portions of said at least one ball retaining device, and including a bore formed in each of said rings, and two fasteners engaged with said rings respectively to secure said end portions of said at least one ball retaining device to said housing and for forcing said at least one ball retaining device to apply a tension stress against said bearing members and to solidly retain said bearing members to said housing and to prevent said at least one ball retaining device and said bearing members from being disengaged from said housing.