Abstract: A carriage (10) provided with one or more pairs of wheels (14) for moving sliding door (42) is arranged in a sliding seat (44) of an extruded profile (28), made of aluminium or other suitable material and fixed to a wall (48) or ceiling (54). The extruded profile in which the carriage (10) is arranged comprises opposite side walls (30, 32), oriented orthogonally with respect to the upper base (34) and with respect to the lower base (36) of said profile; on said lower base a central slot (38) extending longitudinally is made for the passage of a stem (40) projecting downwards in the direction of the door (42) to which it is connected. The carriage (10) comprises a support body (12) made of plastic, metal or other suitable material, constituting the load-bearing frame of said carriage to which the pairs of wheels (14) are connected, with rivets (16); each of the wheels is paired with an elastic element (20) placed in a recess (24) made along the opposite sides of the support body (12).

Abstract: Provided is a bearing having a plurality of rolling elements disposed between an inner ring and an outer ring that are disposed coaxially, wherein a groove section extending in a circumferential direction of an outer circumferential surface of the outer ring outside in a radial direction is formed on the outer circumferential surface, and an enveloping layer formed of any one of rubber, a thermoplastic elastomer and a plastic is formed on the outer circumferential surface.

Abstract: A pre-hung barn door hardware system is disclosed. The -hung barn door hardware system includes a rail having a plurality of rail holes disposed along a length of the rail; a plurality of spacers each of the plurality of spacers having a spacer hole; a track having a plurality of track holes disposed along the length of the track; a plurality of bolts, each of the plurality of bolts extending through one of the plurality of rail holes, a spacer hole in one of the plurality of spacers, and one of the plurality of track holes; and a plurality of nuts, each one of the plurality of nuts being coupled with a corresponding one of the plurality of bolts.

Abstract: A temperature compensation ring configured to compensate for a temperature-dependent distance change between two components includes a base body made from an elastic material, and at least a section of at least one surface of the base body is configured to reduce a friction in the axial direction between the temperature compensation ring and an abutment surface, by, for example, being coated with a friction reducing coating and/or by including one or more grooves for receiving a lubricant.

Abstract: A bearing ring includes a temperature compensation ring made from an elastic material vulcanized or otherwise materially bonded onto an outer surface of the bearing ring, the outer surface being oriented in a radial direction. The bearing ring includes a radially encircling groove, and in an unloaded state of the temperature compensation ring, that is, independently of an application of axial pressure against the temperature compensation ring, the temperature compensation ring fills the groove in an interference-fit manner.

Abstract: A fitting (1) for suspending a sliding door leaf (D) is provided. Said fitting (1) comprises a base plate (2) having means (8, 9) for attaching said base plate (2) to a door leaf (D), support means (3) attached to said base plate (2) for allowing said fitting (1) to be guided by a rail (R) along a sliding path (P), and a shank (5) having a part (5b, 5d) extending from a lateral end of said base plate (2) at an angle (?, ?) relative a plane of the base plate. Said fitting (1) further comprises an anti-lifting device (4) attached to said shank (5) and being moveable between an idle position and a locked position by a rotational movement of the anti-lifting device (4) about an axis (A) being substantially perpendicular to a plane of said shank part (5b, 5d).

Abstract: The present invention relates to the field of sliding door systems. The invention relates to a second wheel holder (800) enabling using a flexible number of wheels in a wheel carriage (300) for a sliding door resting in sliding track (106). The second wheel holder (800) comprises one attachment means (810) adapted to be removably attached to the first wheel connection means (340) and at least two second wheel connection means (820) each adapted to connect one wheel (330). The invention also relates to a method for exchanging the wheels (330) and of a wheel carriage (300), by lowering a door panel and replacing the wheels, by removing the second wheel holder (800), while the wheel carriage (300) is resting in the sliding track (106).

Abstract: A roller assembly (1) for supporting a panel (62), including a coupling (5) for connecting the assembly (1) to the panel (62) and a roller (3) for transferring the weight load of the panel (62) to a sill (30), the roller (3) being received in the sill (30) and oriented for rotation about an axis (38) which extends in a direction of the weight load. The invention also relates to a sill and panel assembly for use with the roller assembly.

Abstract: A roller facilitates movement of a gate or similar barrier between a first and second position. The barrier fits at least generally within a channel formed at the periphery of the roller, and the channel is shaped to reduce the contact area and resulting friction that can otherwise occur between the confronting surfaces of the channel and the barrier.

Abstract: The present invention relates to a rail and a door roller of a window and door system and a window operation apparatus for windows and doors using the same.

Abstract: A lower support for a rolling closure comprising: a carriage for supporting a panel of the closure having at least one horizontal load wheel having an inclined rim, and at least one horizontal guide wheel, wherein at least one of the wheels is adapted to be substantially enclosed within a track.

Abstract: A drive carriage for a sliding curtain including a first carriage portion which is movable along a rail by at least one wheel assembly mounted thereto and a second carriage portion which is also movable along the rail and wherein the first and second portions of the carriage are connected by a coupling piece which is selective mounted in at least two positions with respect to the first and second portions so as to adjust a length of the drive carriage.

Abstract: A roller support assembly is used to support sliding doors, windows or the like. The assembly includes a housing member having spaced apart side walls and interconnecting transverse walls defining a roller receiving zone for receiving and operationally mounting a roller assembly. The roller assembly has a roller body with a rolling peripheral rim and a shaft whereby the roller body is rotatable relative to the shaft having short stub axle parts. The housing side walls including openings that are fully enclosed by the side walls into which the short stub axle parts fit. The housing side walls further include projecting elements extending inwardly from an inner surface of a housing side wall to cooperate with the corresponding roller body side wall surfaces to spay the housing side walls apart as the roller assembly is moved into the roller receiving zone to locate the stub axle parts in the openings.

Abstract: A curtain carrier includes a carrier body having a mounting ring which has an inner wall provided with a sliding face, a first support seat having a connecting tube which is inserted into the mounting ring and has an inner wall provided with an engaging hole, a second support seat having an engaging sleeve which is inserted into and closely fit in the engaging hole, and a rolling module located between the first support seat and the second support seat and slidably mounted between the sliding face and the connecting tube. Thus, the curtain carrier has a simplified construction, thereby greatly decreasing the cost of fabrication. In addition, the first support seat and the second support seat are assembled easily and quickly, thereby facilitating assembly of the curtain carrier.

Abstract: A carriage which serves to hold a panel, has at least one running element such as a magnet, a wheel and/or a sliding element which is held by at least one corresponding magnetic element or supported on a running surface of an at least approximately U-profile or L-profile-shaped rail. The carriage comprises one or two carriage parts which can be anchored to the panel by mounting elements, such that the two carriage parts can be anchored on the opposing sides (4a, 4b) of the panel. One carriage part is further contemplated, which can be introduced into a groove arranged on the upper side of the panel between the sides and anchored there by the mounting elements. Further provided is a carriage and a mounting device which can be coupled to the carriage and to the glass panel with two assembly parts which are each formed or mounted on one side on the upper side or within a groove of the panel.

Abstract: A sliding assembly having a body for a transversal sliding door includes a positioning unit and a sliding device. One end of the positioning unit serves to assemble with a doorplate; and another end thereof serves to assemble with the sliding device. The sliding device includes a retaining portion and a rolling portion. The rolling portion includes a first combining portion, a second combining portion, a wheel shaft and a contact unit. The contact unit is clampingly and sandwichedly disposed between the first and second combining portion. Of the wheel shaft; and the wheel shaft is rotatably engaged with the retaining seat and is received in the first combining portion. Thereby when the doorplate is pushed, the contact unit will suffer from a force so that the rolling portion will pivotally rotate with respect to the retaining portion so that the doorplate can move transversally.

Abstract: The carriage provided for a separation device comprises a carriage body serving to hold a separation element, which carriage body comprises at least one running wheel, which can be moved on a rail, and a drive device made up of an electric motor and a gearing, which drive device is coupled to a first drive element, by means of which a force can be transferred to the rail and the carriage can be driven. According to the invention the drive device is coupled to at least one second drive element, by means of which the separation element held so as to be rotatable can be driven. Using the inventive carriage, separation elements which are separate or connected to each other in a jointed way can be advantageously displaced and/or rotated.

Abstract: A drapery arrangement includes a drapery fabric, a sliding track, and a plurality of sliding wheels. Each of the sliding wheels includes a sliding hanger, a wheel seat, a central connecting shaft, and a plurality of sliding elements. The wheel seat, having a rotating groove, is adapted to fittedly receive in a toggle cavity of the sliding hanger, wherein the wheel seat has a through connecting channel extended along a radial direction thereof. The central connecting shaft penetrates though the connecting channel enhancing a structural rigidity of the respective sliding wheel, and evenly distributing a load imposed on the sliding wheel. The plurality of sliding elements is rotatably received in the rotating groove for running on a circular sidewall of the toggle cavity, wherein the sliding wheel is slidably mounted on the sliding track for sliding therealong.

Abstract: A wall panel system and method of installation and use are provided, in which wall panels are suspended from trolleys along a track system. The trolleys include guide devices that interact with diverters coupled to the tracks to allow the trolley to be directed as desired at intersections of the tracks, and to follow a predetermined path along the track system. The wall panel system is configurable to allow the wall panels to be aligned serially, such as for dividing the space within a room, or may be stacked, such as suitable for compact storage.

Abstract: A caster for providing rolling support including a spring-loaded mount. The caster may be substantially concealed in the bottom edge of a hinged, swinging door, and generally located proximate to the free vertical edge of the door. An elongated spring plate is provided as a mount for a roller, causing the roller to accommodate variations in the floor surface, maintain contact with the floor, and support the door. The spring plate has a first portion adapted to be mounted to the bottom edge of a door, and a second portion depending from the first portion. An axle is mounted to the second portion, inside a hub that is mounted to the roller. The axle may be substantially parallel to the first portion of the spring plate. Single roller and double roller caster assemblies are provided.

Abstract: A new and useful traverse rod structure, designed to maintain or improve the functionality of a traverse rod, while improving the aesthetics of the traverse rod is provided. The traverse rod is designed to improve the functionality of the rod, while minimizing the risk of damaging the aesthetic features of the traverse rod as the hanging object is manipulated. Still further, the traverse rod is designed with an attractive and aesthetic external appearance. In addition, the traverse rod is designed to be efficient to assemble and operate. In its preferred form, a traverse rod comprises (a) a longitudinally extending tube having an opening extending along the tube, (b) a longitudinally extending track located within the tube, the track comprising a pair of substantially co-planar track sections with a gap therebetween, and (c) one or more moveable carriers each of which is configured to engage a wall covering. Each moveable carrier has a follower extending through the opening in the tube.

Abstract: The invention includes a clasp that can be mounted to the roller track of an overhead door and a shim that can be mounted to the overhead door or the shaft of the roller. The clasp includes a portion for attaching to the roller track and a blocking portion that is secured in proximate location to the inner surface of the overhead door. When the overhead door is in a closed position, the shim and the blocking portion are engaged thereby encouraging the overhead door towards the door frame. Multiple clasp and shim assemblies can be mounted to the overhead door to improve the seal between the overhead door and the door frame.

Abstract: A support and guidance unit for a sliding door of a motor vehicle includes a support adapted to be fitted onto a first structure element of a motor vehicle. A roller assembly is rotationally mounted around a first axis X-X on the support and is adapted to roll on a support and guidance rail. The support and guidance rail is adapted to be fitted onto a second structure element of the motor vehicle and devised to slide with respect to the said first structure element. The roller assembly has two running surfaces extending on both sides of a plane of symmetry M-M, that extends perpendicularly to the said first axis X-X in that the normals to the running surfaces have axial components C1, C2 parallel to the first axis and oriented towards opposite directions.

Abstract: A track and trolley system for movable wall panels including a track having upper and lower flanges, the upper and lower flanges being horizontally and vertically displaced from each other and defining a channel therebetween, the upper and lower flanges each having a disc-supporting surface; a carrier shaft disposed between the flanges and adapted to engage the wall panel; and a trolley having upper and lower discs rotationally mounted on the shaft, the upper and lower discs each having a lower surface supported on the disc-supporting surfaces of the upper and lower flanges, respectively, and each of the upper and lower discs including an outer edge and a center, each of the lower surfaces sloping upwardly from the outer edge toward the center, each of the lower surfaces including a contact portion adjacent the outer edge and engaging the disc-supporting surface.

Abstract: Guide rollers for upward-acting track guided doors are formed of dual durometer plastic materials wherein a hub portion of the guide roller is formed of a relatively hard moldable plastic material having a durometer of about Rockwell R 120. A tire or tread is preferably molded over the hub and is characterized by a thermoplastic elastomer material, such as urethane, having a durometer of about 70 to 90 Shore A. A circumferential recess may be formed in the rim of the roller hub to receive a tread which is not molded over the full extent of the rim. The tire or tread may have an arcuate thin-walled, a somewhat elliptical or a circular segment shape in cross section. The guide roller provides for quiet long-lasting operation in guiding upward-acting sectional and one-piece garage doors and the like.

Abstract: A wheel assembly adapted to travel along guide rails or tracks. The assembly includes a roller formed of porous sintered metal, a shaft attached to a supporting body and an adapter to which both the roller and shaft are connected. The adapter includes a cylindrical inner portion with an axial socket to receive the shaft and a cylindrical inner portion of a smaller diameter to define an annular inner shoulder. A spring retainer secures the roller to the adapter.

Abstract: A guiding block for pulling a window curtain comprises a pulling plate, a left wheel seat, a plurality of rolling balls, and a right wheel seat. A confining cap is formed between the right wheel seat and the rolling balls. The primary body of the confining cap is a circular plate with a through hole on the center thereof. Claws with respective to the gaps between each two rolling balls are axially extended from the circular plate on the inner side of the confining cap. Not only the rolling action is smooth, but also the friction and collision between two rolling balls is prevented. Other then noises from frictions and collisions are reduced, the lifetime of the window curtain is prolonged. The circular groove of the convex tube on the right wheel seat is enforced into the rib on the inner rim of the convex tube on the left wheel seat so as to form a buckling state for combining the left wheel seat. Thus, sliding therebetween is seldom occurred and the stability of the combination thereof is increased.

Abstract: A garage door roller assembly includes a one-piece, unitary shaft and a one-piece, unitary roller, each composed of a polymeric material and a washer and a pin, each composed of case-hardened steel. The roller includes a sleeve portion having an axial bore, a wheel portion, and a web extending radially from the wheel portion to the sleeve portion. The shaft includes an axial bore, a mounting portion, and a race portion. The race portion is rotatably mounted within the bore of the sleeve portion of the roller. The pin includes a head and a stem which extends axially from the head through the opening of the washer into the bore of the shaft. A knurled segment of the stem frictionally engages the bore of the shaft.

Abstract: A wheel unit is disclosed for supporting a structure for movement on a track. The unit includes a rotatable wheel having a substantially flat bearing surface and supported on an axis for running on a track. A housing supports the wheel and includes a convex-shaped guide for maintaining the wheel on the track. A wheel and track combination is also disclosed wherein the wheel has a contact surface having a first dimension and supported by the housing to rotate about an axis. The track supports the housing and wheel and includes a contact surface for contacting the contact surface of the wheel and wherein the contact surface of the track has a second dimension larger than the first dimension of the contact surface on the wheel. Preferably, a guide keeps the wheel on the track while permitting the wheel to move laterally on the track.

Abstract: A roller for use in a roller guide for sliding elevator doors may include a resilient element for effecting quieter elevator operation. The resilient element may form a roller body with a bowl shaped annular casing of sheet steel to run along a carrier section including a preferably greased rail running surface. The roller body may be dimensioned such that the spring effect of the resilient element is stressed only within the elastic range or limit of the sheet steel. To obtain optimum spring effect, a radius of the rail running surface may be slightly greater than a radius of the roller body. Also, the roller body may include an open side.

Abstract: Trolley wheels and guide rollers for a monorail trolley system and a method for reducing debris originating from trolley wheels and guide rollers particularly in the production environment of producing iron-sensitive photographic materials.

Abstract: Wheel (10) for roller drawer guides, whose body (12) made of a hard plastic of stable shape journaled on a wheel axle has a circumferential groove (18) in its rim, in which there is disposed a tire (20) of resiliently deformable material, preferably elastomeric plastic, anchored in at least one bore or opening (22) in the wheel body and slightly proud of the rim (16) of the wheel. The at least one bore or opening is configured as a through-bore (22) running radially from the bottom of the groove (18) to the surface of the journal bore (14) in the wheel body (12).

Abstract: A lubricated roller assembly which can be constructed entirely of non-metallic components. The roller assembly includes a shaft and roller body secured to one another and enclosed by a housing. The roller body is adapted to roll against an inner peripheral surface of the housing. A supply of lubricant sufficient to lubricate the roller body is contained within the housing. A lubricant containment reservoir is formed in either the housing or the shaft such that regardless of the orientation of the roller assembly, lubricant will not reach the interface between the shaft and the housing. The roller body may be provided with a drip edge to further direct lubricant away from the interface between the housing and the shaft.

Abstract: A sliding door suspension system and a sliding door assembly for supporting a heavy sliding door from a door frame includes a rail horizontally mounted to the door frame. The suspension system includes a roller assembly which rollingly engages the rail and supports the heavy door. The roller assembly includes an axle or shaft having a bearing surface. The axle has at least one threaded end for securing the roller assembly and for attaching the roller assembly to a door hanger from which the heavy door is suspended. The roller assembly further includes a roller with a concentric hollow bore for seating a bearing assembly or bushing through which the axle extends in supportive engagement with the bearing assembly. The rail has a convex arcuate upper roller guide surface. The roller has a concave arcuate roller guide engaging surface which conforms to and engages the upper surface of the rail. The roller assembly also includes a door height and alignment adjusting member which threadably engages the axle.

Abstract: A wheel (10) for rolling drawer guides in furniture construction. A wheel body journaled on a wheel shaft and made from a hard plastic of good stability of shape has a circumferential, groove-like gap opening into the wheel rim, and in it there is disposed a tire of resiliently deformable material, preferably elastomeric plastic, protruding slightly above the rim surface of the wheel body. In at least one of the confronting side surfaces and/or in the circumferential bottom surface of the groove-like gap there is provided at least one, preferably a plurality of indentations in which the material of the tire, converted to fluid from and then to the resiliently deformable state, interlockingly engages. From one of the outer faces of the walls at least one injection hole extends into the groove-like gap.

Abstract: A sliding door assembly comprising a door hanger, a hanger sheave, an upthrust roller and a track, wherein the hanger sheave assembly and the uptrust roller are rotatably mounted on the door hanger. The track provides a first rolling surface for the hanger sheave and a second rolling surface for the upthrust roller. The track also preferably captures the upthrust roller thereby preventing the assembly from leaving the track.

Abstract: Roller for rolling drawer guides with a wheel journaled on a stud (24) fastened to the running and/or guiding rail of the drawer guide, the wheel having a rim concentric with the longitudinal central axis of the stud (24). The wheel is divided into a hub (16) journaled on the stud (24) and a rim (18) disposed concentrically on the hub, and the rim (18) is mounted on the hub (16) for displacement in the direction of the roller axis of rotation. The rim (18) is held on the hub (16) preferably against rotation in the direction of rotation of the roller.

Abstract: A plastic conveyor trolley structure having plastic bearings and made of a super tough plastic material, comprises a pair of complementary arms each supporting a wheel for rotation on roller bearings held in a fixed inner race forming an integral part of a stub axle on which the trolley wheel is rotatable. The trolley is readily movable on the flanges of an I-beam monorail. A pendant member secured to and between the lower ends of the trolley arms is engaged by the conveyor drive chain to move the trolley along on the monorail. Metal screws are used to hold the depending member to the arms and to secure the stub axle for the trolley wheel to its supporting arm.

Abstract: A mounting assembly for use in movably suspending a folding closure from a curved track. The mounting assembly has a wheel assembly for running on the track and a connecting member for connecting the wheel assembly to the closure. The wheel assembly is rotatable about the connecting member, and means are provided for limiting the rotational movement of the wheel assembly about the connecting member to prevent the wheel assemblies from turning sideways in the curved track while traversing it.

Abstract: A conveyor trolley assembly consisting of a trolley bracket having an axle carrying a hub, and an annular wheel carried on a bearing interposed between the hub and the wheel, is provided with a four-part, moisture resistant seal for the side of the bearing facing the trolley bracket. The seal is composed of an annular shield mounted on the axle and interlocked with the trolley bracket, a slinger seal mounted on the wheel inside of the shield, and second and third lubricant seals mounted on the wheel hub and on the wheel, respectively. Moisture which enters around the periphery of the shield either gravitates to a drain opening or is expelled by the action of the slinger seal.

Abstract: A shock absorbing roller mounted on a shaft and for movement along a track, including a central hub portion and with the hub portion for mounting the roller on the shaft, a peripheral roller portion surrounding the hub portion and including means interconnecting the roller portion and the hub portion for supporting the roller portion, the roller portion including a flexible circumferential flange section extending outwardly for providing contact with the track and with the flexible circumferential flange section providing shock absorption and noise reduction with movement of the roller along the track, and at least one flexible thrust flange extending outwardly from the side of the roller and with the flexible thrust flange providing shock absorption and noise reduction with any contact of the roller from side to side movement of the roller across the track.

Abstract: In a bearing and support for use either as a bearing, per se, or as a bearinged support for other items and incorporating the bearing of this invention; the bearing includes at least a pair of rotatable members that rotate or counter-rotate about a common axis, a shaft supporting the rotatable members for rotation about its common axis; roller, ball, sleeve, or other forms of bearings disposed between the rotatable members and the shaft to facilitate the rotation of the members therearound; a structural member incorporating a series of keepers upon its upper and lower edges and which retain races or tracks, and being disposed for having one of the rotatable members associated thereon to provide a bearing suspended support for holding other items, or the body of a person.

Abstract: An improved roller assembly is adapted for use with an upwardly-acting door structure. The improved roller assembly includes an inner ring mounted on a shaft, a sectional outer ring arranged to form an outer race for capturing ball bearings between the rings, and an outer cup-shaped member roll formed to hold the assembly together and to provide an outermost tire adapted to be moved along a track.

Abstract: A multi-directional canted wheel carrier with shiftable control arm for supporting operable wall panels from upper and/or lower supporting tracks, with the control arm engaging a track slot or guideway and supported from the carrier for shifting when necessary between a leading and a trailing relationship to the panel supporting bolt to facilitate multi-directional movement of the carrier through track intersections. The carrier includes a single canted wheel or multiple canted wheels, and the bearings and tilt body structure of the canted wheel assembly provide efficient multi-directional movement of the carrier with minimum force requirements.

Abstract: A seatbelt system wherein the outer end of a passenger restraining belt is anchored to a runner piece which is guided by a guide rail fastened to the vehicle body. A runner gear mounted on the runner piece engages with a linear guide gear which is installed in the guide rail and a plurality of openings formed in a flexible tape. Flexible tape is driven in a direction of the length of the guide rail by means of a driving mechanism and when the flexible tape is driven, the running gear rolls along the guide gear to thereby cause the runner piece and the belt to move so that the belt approaches or move away from the passenger.

Abstract: A canted wheel carrier for supporting operable wall panels from upper and/or lower supporting surfaces to enable multi-directional movement of the panels and facilitate negotiation of angle turns and intersections without switches or curves in the supporting surfaces with a minimum of frictional resistance thereby reducing the force which must be applied to the panels to move them to a desired location and reducing frictional wear. The invention includes a top or bottom canted wheel carrier with or without a guide member or with a single or multiple canted wheels which engage a top or bottom supporting surface.

Abstract: A carrier roller comprising (1) an integral roller tire subassembly comprising a cylindrical bearing, two axial inserts, and a molded resilient roller tire and (2) an inner race. In one embodiment, the carrier roller further comprises (3) a roller bushing seal and (4) a labyrinth ring and may further comprise (5) a roller collar. A second embodiment may comprise only the basic components or may further comprise a roller collar. In both embodiments, the roller tire is preferably molded to include a guiding flange, and it is preferably molded from a synthetic material such as urethane.

Abstract: A trolley wheel is formed of plastic-like material and includes a bearing assembly, inner and outer metallic races and bearing means positioned therebetween. The entire assembly is formed of non-corrosive material. The bearing means and races therefore are accessible from the sides of the wheel for ease of cleaning during operation.