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WO/1990/010159A1 |
A bearing for straight slide and a method of setting thereof according to this invention are such that the setting surface (14) of a sliding base (B) on which a movable body (5) such as a table is fixed is provided with a minute curvatur...
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WO/1990/009531A1 |
A gas bearing system (31) for maintaining high static stiffness while damping high and low frequency vibrations. The system (31) includes a bearing shoe (28) having a primary reservoir (30) which is supplied with gas through a primary re...
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WO/1990/007404A1 |
A cutter for shearing hardboard in a guided hand-powered manner, comprises a guided cutter. The cutter has twin shearing wheels interconnected by a slotted mounting plate whereby minimum wheel overlap is required and hence minimum deflec...
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WO/1990/007071A1 |
In a mechanical structure having a pair of co-operating components separated by a layer of vibration-damping material, the geometry of surfaces constituting the interface between the components is adapted so that the damping material wil...
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WO/1990/006217A1 |
A high-precision punch and die apparatus having a stationary frame (40); a punch (10) movable relative to the frame (40), the punch (10) including integral pneumostatic bearing surfaces (16, 18, 20, 22 et al.) and at least one cutting ed...
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WO/1990/006216A1 |
A high-precision punch and die method wherein a pair of pneumostatic bearings (30 and 34) are mounted on a rigid frame structure (40) in registered spaced-apart relation to each other, each bearing (30 and 34) having a plurality of journ...
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WO/1990/005043A1 |
A linear motion apparatus (10) includes an elongate rectangular supporting shaft (13) and a carriage (16) slidable along the supporting shaft (13). The carriage includes opposed roller bearings (26) which are arranged at opposite sides o...
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WO/1990/002271A1 |
A straight sliding bearing according to the present invention is provided with both a ball-and-roller bearing mechanism and a plain bearing mechanism and capable of arbitrarily regulating the frictional resistance of a slide block (1) wi...
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WO/1990/002269A1 |
A rolling element cage with rolling elements is arranged in a rolling bearing (1) with a guide channel (4). The guide channel has rails on which the rolling elements roll. The rolling element cage has recesses (7) in which at least prefe...
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WO/1990/002270A1 |
A straight sliding bearing and a straight sliding table according to the present invention are formed so as to increase the frictional resistance occurring when a slide block (1) is moved slidingly on a track base (2), by pressing the si...
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WO/1990/000722A1 |
In a linear guide for precision machines, the linear bearing of the mobile bearing element (2) which moves relative to the stationary bearing element (1) is achieved by means of magnetic bearings (3, 5) or air bearings (9, 11). The drive...
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WO/1989/010491A1 |
A plain bearing (12) for coaxial parts has recesses (18) in at least one part, which slide on smooth surfaces of the counterpart (10). The recesses (18) are advantageously produced by pressure rams (36) which act radially on pressure pie...
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WO/1989/009887A1 |
In a co-ordinate measuring machine, a linear guideway comprises two tubular guides (14, 16) mounted on a column (10) in a parallel spaced apart relation and extending in a direction parallel to the longitudinal axis of the column (10). T...
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WO/1989/009422A1 |
Apparatus is disclosed for the strain-free mounting of a component, such as a mirror (11), to a base in a manner that allows for differential thermal expansion or contraction to take place between the component and the base without disto...
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WO/1989/008797A1 |
A dynamic seal or bearing interface having a surface comprising: a first interface area (24) which, as it wears, provides a first amount of surface roughness which provides asperity tip load support (at 28); and a second interface area (...
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WO/1989/008859A1 |
A method is disclosed for the strain-free mounting of a component, such as a mirror, in a manner that allows differential thermal expansion or contraction to take place without distortion of the component. The mounting method makes use o...
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WO/1989/003488A1 |
In a precision machine, such as a coordinate measuring machine or a machine tool in which a carriage (14) rides along a rail (12), a gas bearing (10) for applying a constant preload force to a bearing shoe (46) over a range of relative m...
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WO/1988/008089A1 |
A plain bearing slide system has a carriage (10) mounted on a slide (11) by means of bearing pads (14). Each bearing pad (14) is coated with a layer (22) of polymeric material having a convex surface (24), and is arranged to ride on a co...
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WO/1988/006686A1 |
Two parallel bearing rails (15, 16) are arranged one above the other on one support (1) and a running rail (17) running between and parallel to the bearing rails (15, 16) is arranged on the other support (2). The bearing rails and the ru...
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WO/1988/006246A1 |
A linear unit for handling equipment and similar, with a housing part (10) and a spindle sleeve (12) with a multi-angled cross-sectional profile, supported and guided on at least one longitudinal edge (18, 22) by coupled bearing elements...
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WO/1988/004972A1 |
The device described can be used for moving parts or objects in a straight line, for example in machine-tools and machines in general, in packing or filling apparatus carrying out automated production processes involving the manipulation...
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WO/1988/004736A1 |
A locking cam for locking a pair of tool elements together. The locking cam member (12) is rotatably mounted in one (30) of the tool elements such that a clamping surface engages a female gib surface (24) formed on the other (22) tool el...
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WO/1988/002447A1 |
Roller bearing comprising a casing (1) with end-face walls (4) and with an upper and a lower surface provided with through slots (2) of a rectangular profile which open towards the end-face walls (4) of the casing (1) and the longitudina...
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WO/1987/006984A1 |
An electro-mechanical shaker apparatus utilizing a novel bearing design. The shaker apparatus includes a bearing housing (101) which includes a plurality of return channels (104) located concentric to the inner wall of the housing (101)....
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WO/1987/006311A1 |
A device for mounting a rail (1) on a surface which particularly is non-horizontal, comprises at least one mounting element (11) adapted to be secured on said surface, at least one connecting element, which is displaceably received in a ...
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WO/1987/006167A1 |
A high speed system (50) for drilling of very small holes in workpieces (137) such as printed circuit boards. The X-Y positioning system includes air bearings (120) to provide lift between the stationary guide beams (60, 62), the cross b...
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WO/1987/004139A1 |
Rolling chain with one or a plurality of rows of rollers (1), comprising toothed transfert pinions (9) which are mounted idle between two rows of rollers (1), and intermeshed between two racks (10, 11) arranged opposite to each other. Th...
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WO/1987/000893A1 |
An alignment compensator (19) for use with a linear bearing (13a) which is mounted on a first support member (3a) which is aligned substantially parallel with a second support member (3b). The support members (3a, 3b) support a movable c...
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WO/1986/006666A1 |
A guiding arrangement for working machines, particularly machine tools, comprises a rigid, vibration-dumping carrier member, made of concrete for example, and at least one member fixed or integrated thereto, forming the guiding tracks an...
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WO/1986/005734A1 |
Tooth belts or toothed rack drives are used to generate a relative movement between two machine components (1, 2) adjacent to one another, in particular a machine bed and a machine sled. In both cases, a belt (8) is provided which extend...
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WO/1986/004651A1 |
A support for a roller-type load-carrier consisting of a carrier-body (1) and one or several transport rails (2), whereby the carrier-body (1) and transport rails (2) are rigidly connected to one another. The materials from which these t...
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WO/1986/002417A1 |
A ball bearing for linearly moving parts, which is used to guide a linearly moving part, such as a table in a machining tool or a positioning table. In this ball bearing, a ball-circulating passage is formed by fitting in a laminated sta...
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WO/1985/005586A1 |
Protection of the guide (9, 14) of two machine parts (1, 2) which move in relation to one another and are linked together by this guide (9, 14). In order to protect the guide track (9) located on a machine part (1) from this accumulation...
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WO/1985/005156A1 |
A bearing for linearly moving parts, which is used to guide a linearly moving part, such as a table in a machining tool or a positioning table. In this bearing, a circulating passage for balls (8, 28) is formed by jointed tubes (3, 3') e...
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WO/1985/002238A1 |
An antifriction ball bearing assembly (10) features a tubular, cylindrical ball retainer or cage (16) which is carried by both reciprocating and rotational movement on an associated shaft (15) or bushing member (14) by means of a key or ...
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WO/1985/001997A1 |
Sliding shoe arrangement provided with a bearing of linear type by which one or several runners (2) are arranged to be moved along a guide (1) carried by the bearing. The runner (2) comprises at least one projection (15, 16) with at leas...
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WO/1984/003336A1 |
A ball spline comprises: an outer race (10) provided around its cylindrical inner wall with grooves (11, 11', 12, 12'), each of a substantially semicircular cross-section; a retainer (20) provided at both end portions thereof with ball-t...
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WO/1984/001194A1 |
A linear operation ball bearing has a pair of recessed track surfaces (4, 4', 5, 5') of a radius of curvature slightly larger than the diameter of a ball formed axially in two side surfaces of a bearing (2) and a track base (3) facing ea...
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WO/1983/004079A1 |
A rack bearing system for supporting a rack (1) in mesh with a pinion (3). The rack (1) can be of "Y" cross-section or it can be cylindrical in shape. Rack (1) is supported by means of pads (12, 13) bearing on inclined surfaces (10, 11) ...
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WO/1983/003404A1 |
A self adjusting bearing arrangement (10) having a bearing (17) slidably guided by a support assembly (28) connected to a first member (18) and a thrust member (32) movable relative to the bearing (17) for applying a predetermined force ...
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WO/1983/002138A1 |
Telescopic rail system comprising C-shaped outer rails (12), C-shaped middle rails (13) and I-shaped inner rails (14), as those mounted particularly on vehicle doors. Heretofore, those systems where provided with series of steel bearing ...
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WO/1983/000827A1 |
The tool-maker's lathe comprises a bed (1) which is comprised of die-shaped sections in its final form and of which one side is a dovetail-shaped section and comprises two head-stocks (6, 7) which are two portions of the same die-shaped ...
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WO/1982/002235A1 |
A graded planar seal is provided between opposing planar surfaces (62, 64) for isolating an air bearing in a vacuum environment (16). The air bearing (22, 24, 26, 62, 64) supports a structure (20) such as a semiconductor mask or wafer an...
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WO/1981/002919A1 |
Conventional recirculating roller bearings often do not travel precisely perpendicular to the axis of the race. This roller skewing raises the level of friction in the system. The present invention provides an improved recirculating roll...
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WO/1981/002333A1 |
The present rolling friction devices for transferring one form of motion into another are constructed of three or more rotatable members such as ball, rollers or the like (10, 11, 12) which are arranged and positioned in rolling friction...
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WO/1980/001828A1 |
A disc brake assembly (10) and method for preventing binding of disc brake caliper slider pins (34) in bushing seals (14) of a disc brake caliper (18). The bushing seal (14) is a unitary, molded, tubular elastomeric body (44) having a hy...
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WO/1980/000298A1 |
A guiding device for a balance counter-weight, housed into a box-girder, particularly for a wall board. Further, the hollow section girder has on its inner face a longitudinal guide (17, 18). Elastic straps (30), made of cured hardened r...
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WO/1979/000940A1 |
Ball handling device comprises a body (1) inside which is located a funnel-shaped support (6) at the opening of which a ball (2) is arranged. A cover (7) provided with a flange (7b) is intended to retain the ball when a pressure fluid fl...
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WO/1979/000292A1 |
A device for transmitting linear measuring motion comprises a U-shaped element (10) and a T-shaped element (11), the stem (24) of which is received between the limbs of the U-shaped element. The elements are connected for relative axial ...
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JP2024048821A |
The present invention provides a linear guide capable of stably supplying lubricant to a contact portion between a guide rail and a rolling element over a long period of time. [Solution] An oil passage unit 50 disposed on a contact surfa...
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