A movement guide device comprises: a support body formed with two roller rolling grooves in each of two side surfaces thereof; a moving body assembled onto the support body to freely move along the support body, and having a load roller rolling groove provided opposite to the roller rolling groove to form a load path together with the roller rolling groove; rollers arranged such that lines forming a contact angle with respect to the roller rolling groove intersect at a position outside the support body; and a roller retaining member arranged between two row of rollers, the moving body comprises a main moving body and cover bodies mounted at two ends of the main moving body; in the movement guide device, the roller retaining member comprises a roller retaining portion, formed in a plate shape extending in a length direction of the support body, and orthogonal to the length direction.

An object is to provide a motion guide apparatus that can facilitate an assembly operation. An end member (4a, 4b) including an inner peripheral side of a direction changing path (2c) is placed on an end surface in a movement direction of a moving member body (3). At least one of a pair of the end members (4a and 4b) includes an opening (21) linking to the inner peripheral side of the direction changing path (2c) to load rolling elements (42) into a circulation path. Opposing surfaces (18) of the pair of the end members (4a and 4b) to the moving member body (3) are formed in flat surfaces. The pair of the end members (4a and 4b) molded integrally with a holding portion (5) is incorporated into the moving member body (3) in a direction orthogonal to the movement direction of the moving member body (3). A lid member (7a, 7b) closes the opening (21) in the end member (4a, 4b).

A movement device includes: a track body; and a moving body which includes: a plurality of endless circulation passages; and a roller configured to roll in the plurality of endless circulation passages, the moving body being movable relative to the track body via the roller disposed between the track body and the moving body. The moving body further includes: a moving body main body in which inner peripheral portions of roller direction-change passages configuring the adjacent endless circulation passages are formed to be adjacent to each other on an end surface in a movement direction in which the moving body moves; and a cover body which is attached to the end surface of the moving body main body and in which outer peripheral portions of roller direction-change passages configuring the adjacent endless circulation passages are formed to be adjacent to each other.

An object is to provide a motion guide apparatus that can facilitate an assembly operation. An end member (4a, 4b) including an inner peripheral side of a direction changing path (2c) is placed on an end surface in a movement direction of a moving member body (3). At least one of a pair of the end members (4a and 4b) includes an opening (21) linking to the inner peripheral side of the direction changing path (2c) to load rolling elements (42) into a circulation path. Opposing surfaces (18) of the pair of the end members (4a and 4b) to the moving member body (3) are formed in flat surfaces. The pair of the end members (4a and 4b) molded integrally with a holding portion (5) is incorporated into the moving member body (3) in a direction orthogonal to the movement direction of the moving member body (3). A lid member (7a, 7b) closes the opening (21) in the end member (4a, 4b).

A motion apparatus includes end plates (41) that are attached to end faces (22) of a block (21) in directions of movement and form rolling element veering paths as parts of an endless cyclic path, wherein the end plate (41) has a scooping piece (56) that is provided so as to protrude toward the block (21), the scooping piece (56) comprising a slit (56v) that is gradually narrowed toward a side opposite to the side to which the scooping piece (56) protrudes, and wherein the block (21) has scooping piece container portions (36) that cover the scooping pieces (56).

A bearing assembly can comprise: a base member including at least one base ramp; a carriage member including: a first surface defining a bearing channel, the bearing channel configured to receive a plurality of ball bearings and allow recirculating movement of the ball bearings, the bearing channel having a variable depth, wherein the bearing channel having a variable depth is configured to allow the plurality of ball bearings to extend beyond the first surface at a first portion of the bearing channel and extend below the first surface at a second portion of the bearing channel; a second surface opposing the first surface, the second surface including at least one carriage ramp, the carriage ramp configured to engage the at least one base ramp; and a retaining member configured to cover a least a portion of the first surface and retain the ball bearings in the carriage member.

A linear motion bearing assembly comprising a load bearing plate structure having at least a portion of a plurality of open axial ball tracks formed therein, each of said plurality of open axial ball tracks comprised of at least two concentric ball tracks. The ball tracks including an open load bearing portion, an open return portion and turnarounds interconnecting the load bearing and return portions. A plurality of bearing balls are disposed in the ball tracks. At lease one load bearing plate is axially positioned adjacent said load bearing plate structure for receiving load from the balls disposed in the load bearing portion of the ball tracks. Various outer housing sleeves are disclosed including a structure split axially and a monolithic structure.

A movement device includes: a track body, and a moving body which includes: a plurality of endless circulation passages; and a roller configured to roll in the plurality of endless circulation passages, the moving body being movable relative to the track body via the roller disposed between the track body and the moving body. The moving body further includes: a moving body main body in which inner peripheral portions of roller direction-change passages configuring the adjacent endless circulation passages are formed to be adjacent to each other on an end surface in a movement direction in which the moving body moves; and a cover body which is attached to the end surface of the moving body main body and in which outer peripheral portions of roller direction-change passages configuring the adjacent endless circulation passages are formed to be adjacent to each other.

The present application relates to a field of bearing technology and relates to a recirculating roller bearing, including a front cover plate, a rear cover plate, an inner supporter, a sealing covering and a plurality of rolling carriers and at least one connector, in which the front cover plate and the rear cover plate are detachable connected on two sides of the inner supporter respectively; a circulating guiding path is defined by the front cover plate, the rear cover plate, the inner supporter and the sealing covering, the circulating guiding path includes a sealing portion and an opened load-bearing portion; the rolling carriers are filled in the circulating guiding path, each of the rolling carriers forms a rolling fit with the inner supporter, and each of the rolling carrier forms a rolling fit with a retractable fork when passing the opened load-bearing portion of the circulating guiding path.

A motion guide device includes a plurality of rolling element guide members provided along the entire length of a rolling element rolling surface so as to guide the unloaded side of a plurality of rolling elements that perform a rolling movement under load between the rolling element rolling surface and a loaded rolling element rolling surface. The rolling element guide member includes a beam member an outer member including a rolling element guide surface for guiding the unloaded side of the rolling elements, and the beam member and the outer member are insert-molded. Such a structure provides the motion guide device including the rolling element guide member that enables low cost manufacturing of a complex shape and capability of secure installation and guidance of the rolling elements with no deflection and can be adapted for use in various types by optionally selecting a connecting means.