Patent ID: 9140301
Filing Date: 2015-09-22
Classification: F16C

Abstract:
1. A machine guideway, comprising: a base having a groove formed therein, said groove having an arch shape defining a groove arch radius; a shaft placed within said groove, said shaft defining a shaft radius that is less than said groove arch radius; a carriage slidably connected to said base and said shaft; at least one pair of opposed wheels held by said carriage, each opposed wheel of said at least one pair of opposed wheels contacting said shaft at a rolling point and having a plurality of radii, said plurality of radii of each opposed wheel together forming a pair arch when said at least one pair of opposed wheels are held by said carriage, said pair arch defining a pair arch radius that is greater than said shaft radius; and a cover at least partially placed over said at least one pair of opposed wheels configured to keep said at least one pair of opposed wheels in contact with said shaft with a pre-loaded force.