Bearings for parts moving only linearly

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16CSHAFTS FLEXIBLE SHAFTS ELEMENTS OR CRANKSHAFT MECHANISMS ROTARY BODIES OTHER THAN GEARING ELEMENTS BEARINGS

F16C29/00Bearings for parts moving only linearly

F16C29/001adjustable for alignment or positioning F16C29/002Elastic or yielding linear bearings or bearing supports F16C29/004Fixing of a carriage or rail F16C29/005Guide rails or tracks for a linear bearing F16C29/007Hybrid linear bearings, i.e. including more than one bearing type F16C29/008Systems with a plurality of bearings F16C29/02Sliding-contact bearings F16C29/025Hydrostatic or aerostatic F16C29/04Ball or roller bearings F16C29/041having rollers crossed within a row F16C29/043with two massive rectangular rails having facing grooves F16C29/045having rolling elements journaled in one of the moving parts F16C29/046with balls journaled in pockets F16C29/048with thin walled races F16C29/06in which the rolling bodies circulate partly without carrying load F16C29/0602Details of the bearing body or carriage or parts thereof F16C29/0604of the load bearing section F16C29/0607of parts or members for retaining the rolling elements F16C29/0609of the ends of the bearing body or carriage where the rolling elements change direction F16C29/0611of the return passages F16C29/0614with a shoe type bearing body F16C29/0616for supporting load essentially in a single direction F16C29/0619with rollers or needles F16C29/0621for supporting load in essentially two directions F16C29/0623with balls F16C29/0626with rollers F16C29/0628crossed within a row F16C29/063with a bearing body F16C29/0633with a bearing body defining a U-shaped carriage F16C29/0635whereby the return paths are provided as bores in a main body of the U-shaped carriage F16C29/0638with balls F16C29/064with two rows of balls, one on each side of the rail F16C29/0642with four rows of balls F16C29/0645with load directions in O-arrangement F16C29/0647with load directions in X-arrangement F16C29/065with rollers F16C29/0652whereby the return paths are at least partly defined by seperate parts F16C29/0654with balls F16C29/0657with two rows of balls, one on each side of the rail F16C29/0659with four rows of balls F16C29/0661with load directions in O-arrangement F16C29/0664with load directions in X-arrangement F16C29/0666with rollers F16C29/0669whereby the main body of the U-shaped carriage is an assembly of at least three major parts F16C29/0671with balls F16C29/0673with rollers F16C29/0676with a bearing body or carriage almost fully embracing the guide rail or track F16C29/0678with a bearing body, i.e. the body carrying the circulating rolling elements, provided in the interior of a sleeve-like guide member defining the opposing raceways F16C29/068with the bearing body fully encircling the guide rail or track F16C29/0683the bearing body encircles a rail or rod of circular cross-section F16C29/0685with balls F16C29/0688whereby a sleeve surrounds the circulating balls and thicker part of the sleeve form the load bearing tracks F16C29/069whereby discrete load bearing elements F16C29/0692the bearing body encircles a guide rail or track of non-circular cross-section, e.g. with grooves or protrusions F16C29/0695with balls F16C29/0697with polygonal guide rail or track F16C29/08Arrangements for covering or protecting the ways F16C29/082fixed to the way F16C29/084fixed to the carriage or bearing body movable along the guide rail or track F16C29/086Seals being essentially U-shaped F16C29/088Seals extending in the longitudinal direction of the carriage or bearing body F16C29/10Arrangements for locking the bearings F16C29/12Arrangements for adjusting play F16C29/123using elastic means F16C29/126using tapered surfaces or wedges