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WO/1997/048912A1 |
The arrangement relation between four rows of rollers interposed between a movable block and a track rail and the contact structure of the rollers are elaborated, whereby the rigidity of the movable block with respect to its shape is imp...
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WO/1997/048913A1 |
A linear motion guide apparatus equipped with a plurality of rows of ball chains which can be assembled easily and can provide a very smooth circulation of balls. Ball holding portions (23, 23) with which one of the sides of each ball ro...
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WO/1997/047217A1 |
The invention relates to a telescopic guide (10) with a metal polygonal outer tube (12) and a ball bearing cage (18) with at least two rows of balls (16) which roll in three different corners of the outer tube (12). A metal inner tube (1...
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WO/1997/047900A1 |
A combination linear and circular motion roller bearing assembly having a rail (16) and a pair of tracks (24), each located along a side wall of a rail. The rail forms a contiguous path having both linear and circular portions. A slider ...
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WO/1997/046849A1 |
A linear gauging head, or cartridge head, comprises a casing (1), a spindle (10) movable with respect to the casing along a longitudinal axis, a feeler (12) coupled to a first end of the spindle and a differential position transducer wit...
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WO/1997/046409A1 |
A power seat adjuster (10) includes a drive shaft (160) rotatably driven by a motor (150) fixedly connected to a movable track (52) of a vehicle seat track assembly (46, 48). The drive shaft (160) threadingly engages a drive nut (132) fi...
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WO/1997/045230A1 |
The machine tool has several telescopic arms (3), each made up of an inner and an outer tube (1, 2). Each telescopic arm (3) is articulated at one end to a frame (4) and at the other to a tool receiver (5). Several recesses (7) are distr...
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WO/1997/044158A2 |
An improved drive and support for a machine tool by which a part thereof can be supported and driven along a linear path for machining. The drive and support includes a linear slideway (160) having a magnetic track (172) along which a ho...
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WO/1997/043554A1 |
The first invention is a roller guide smoothly circulating rollers, in which at least one of a roller return path, a roller end face guide wall and a direction changing section is formed integrally with a block main body. In other words,...
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WO/1997/042423A1 |
A method for manufacturing a slider for a linear guide device adapted to move along a track rail disposed on a fixed portion such as a bed and a column so as to guide a moving body such as a work table of a machine tool and an industrial...
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WO/1997/042422A1 |
The area of boundary portions between a molding portion of a mold and a movable member body is set to a required minimum level so as to improve the machining efficiency. This guide unit is characterized in that pipes (14) for forming rol...
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WO/1997/042429A1 |
A pneumatic spring, in particular for rail vehicles, trucks and busses, has a bellows (3) made of elastomer material, if required provided with reinforcing inserts; a pot (2) to whose upper part the bellows (3) are secured, the bellows p...
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WO/1997/041363A1 |
This linear motion guide unit is provided with an automatic regulating capability, and, moreover, attains a highly rigid support structure. A movable block (4) is formed so as to have an L-shaped cross section, and rows of balls (B1-B4) ...
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WO/1997/040279A1 |
A slot bearing assembly for a member (19) movable relative to a slot (13) such as a carrier (15) for a slotted rodless cylinder (10) in which the slot bearing (20) is allowed to float relative to the moveable carrier (15).
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WO/1997/040280A1 |
The invention relates to a linear rolling bearing with a fixed guide rail (1) and a guide carriage of U-shaped cross-section partially surrounding it which can be moved along the guide rail (1) and takes the form of a support (2) with he...
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WO/1997/039252A1 |
A guide rail (5) for a linear bearing, with several through apertures (4) running from the rail top surface (3) and spaced apart one behind another to accept securing components, has a longitudinal groove (2) open towards the top surface...
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WO/1997/038241A1 |
A bearing device capable of slidably supporting a piston rod without using a guide bush to eliminate fall-off of the guide bush and an additional work such as caulking, capable of reducing the production cost, preventing leak of an oil l...
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WO/1997/030819A1 |
A precision positioning system is provided which provides long travel in two of the linear dimensions, while using non-contact bearings for both a first subassembly which provides long travel in one of the linear dimensions and a second ...
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WO/1997/029295A1 |
An object of the present invention is to realize a device of simple construction for generating at all times a steady and appropriate friction resistance even if the speed changes relative to the rotational or linear movement of an objec...
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WO/1997/027025A1 |
A device for achieving a translational movement over several hundred millimetres that is accurate to the nearest micrometre during relative movement between a moving part and a stationary part in a mechanical machine. The device mainly u...
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WO/1997/027406A1 |
A device comprising a polygonal column secured to one (2) of the parts to be guided, and a slide (3) including an outer ring (4) that may be secured to the other part (5) and has a frusto-conical inner surface (9), as well as an inner ri...
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WO/1997/027129A1 |
The invention relates to a bearing device in such linear actuators which comprises an elongated hollow profile rail (1), in which a slide member (2) can be moved backwards and forwards along flat guiding surfaces (8) in the hollow profil...
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WO/1997/026461A1 |
An actuator prevents dust or the like from adhering to drive force transmitting means, eradicates a fear of stoppage or breakage of the means, and prevents dust or the like from outflowing. Stationary blocks (26a, 26b) are slidably provi...
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WO/1997/023396A1 |
The invention relates to a rail-mounted load carrier (10) with at least two (1) rolling bodies (1) or balls (1) held in a roller guide cages (5) and rolling in one (11, 12) or two parallel rails (11, 12). The rails (11, 12) comprise two ...
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WO/1997/016368A1 |
A linear guide arrangement comprises two bodies (10 and 20) having respective guide surfaces (11 and 21). The guide surfaces (11 and 21) face one another and are spaced from one another by two parallel rollers (30 and 40). The rollers (3...
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WO/1997/014894A1 |
A method of forming a rail having an elongate base member (26A) and a load bearing insert (34) is disclosed. The method includes forming a base member having surfaces with at least one longitudinal groove (32A) and inserting the load bea...
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WO/1997/013082A1 |
There is provided a position control drive system (30) having first (16) and second (18) drive units linked (20) together and travelling on parallel running rails (12, 14). A passive unit (38) riding on a third parallel running rail (32)...
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WO/1997/012154A1 |
A linear motion ball bearing (A) comprises a rail (1), a moving body (2) slidably fitted to the rail and a plurality of rolling bodies (4) disposed between the rail (1) and the moving body, and rolled and circulated with their relative s...
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WO/1997/007940A1 |
A movable working table (6) has a working plate (7), a second castor (8) fixed to the front portion of the back of this working table, and a first castor (9) fixed to the rear portion of the same back thereof. The first castor (9) is rot...
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WO/1997/004286A1 |
Described is a device for securing a length-measurement device (4) in place on a guide rail (1) for a carriage (2) which moves along the rail. The device has a scale (4) and a sensor head (3) which can move relative to the scale, the sen...
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WO/1997/001713A1 |
A linear motion bearing assembly as provided for movement along a shaft. The ball retainer of the bearing assembly is assembled from a plurality of arcuate interengageable self-contained ball retainer segments (22). Preferably, the plura...
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WO/1996/041962A1 |
A self-aligning linear bearing for use with the feed column (12) of a drilling rig includes a bearing block having a pivot shaft extending therefrom. A pivot block (16) connected to a mounting plate (26) of a drill head (10) rotatably co...
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WO/1996/031938A1 |
The invention relates to an active linear induction motor system that has particular advantage with a SAILRAIL air guided and supported air bearing system. In this case the secondary for the motor is the support rail, which rail can have...
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WO/1996/029528A1 |
A linear motion device having an elongated body (10), a carriage (12) moveable in a linear path relative to the body and a bearing (60, 61, 62) positioned between the carriage and body for supporting the carriage for movement along the l...
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WO/1996/028875A1 |
A linear motor system for providing XY motion comprises a first linear motor (10) directed for effecting movement of a first element (11) in a first of two orthogonal directions. There is second motor (12) directed for effecting movement...
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WO/1996/023982A1 |
Hydraulic clamp bushing (13, 14) of the type comprising a double walled sleeve (7), a hydraulic pressure medium which is trapped in a chamber (5) between the sleeve walls, and means for pressurizing said pressure medium, and in which one...
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WO/1996/014518A1 |
In an adjustable-clearance linear bearing with a profiled guide rail (4) with tracks (3) formed on its two parallel longitudinal sides and with two parallel interlinked sliding guide cassettes (1) arranged on both longitudinal sides of t...
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WO/1996/012115A1 |
A linear guide unit consists of a guide rail (1) having a plurality of roll body tracks (3), a guide carriage that is mounted for longitudinal displacement on the guide rail (1) by means of roll bodies and that has a fixing surface facin...
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WO/1996/011345A1 |
The invention concerns a linear guide for clearance-free lifting movements which are secured against twisting. The linear guide comprises: at least one guide sleeve (FB) with a cylindrical inner bearing surface; a guide shaft (FW) with a...
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WO/1996/010700A1 |
The invention concerns a guide ring (3) for guiding the parts of a hydraulic cylinder arrangement. The ring (3) is mounted perpendicular to the axis (7) of the cylinder (2) or piston (11), is spherical on its side (9) facing the insertio...
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WO/1996/007828A1 |
In a tool holder support assembly (10), a horizontal slide member (18) connects to a machinery table (12) with a T-slot connection (14) and a vertical support post (22) connects to the slide member (18) with a sliding dovetail joint (26)...
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WO/1995/034916A1 |
In order to manufacture a high-performance thin film semiconductor device through a low-temperature process in which inexpensive glass substrates can be used, a silicon film is formed at below 450 �C and crystallized, the highest proce...
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WO/1995/034406A1 |
The lower ends of alignment bearing shafts of an upper die member of a tape automated bonding apparatus are modified to include tapered alignment pins (51) each having a tapered surface (55) that is complementary to the tapered interior ...
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WO/1995/032366A1 |
At least ball escape bores (10) in ball circulating passages (7) are formed by a molded member (12), and this molded member (12) is molded integrally with a high-rigidity block member (13) by insert molding. This enables the step of maki...
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WO/1995/030849A1 |
The invention relates to a bearing unit for linearly moving selector shafts in a toothed-wheel gearbox with rows of bearing balls in cage rolling on the one hand on an inner surface of a sleeve permanently fitted to the gearbox housing a...
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WO/1995/027858A1 |
A linear motion bearing assembly is provided having a rail assembly with a flexible base portion (46) and a bearing carriage assembly (22) with flexibly depending legs (32) configured for longitudinal movement along the rail assembly on ...
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WO/1995/025909A1 |
A ball holder (1) for a retainerless saddle (6) having an elongated shaft (2) and a plurality of contact surfaces (3) therearound to hold steel balls (7) in cooperation with a bearing body (4) only when the saddle (6) is withdrawn from a...
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WO/1995/025906A1 |
A slide contacting surface (1A) of a sliding bearing (1) has ridges (1a) extending continuously and helically at a predetermined pitch p. The roughness h of the slide contacting surface (1A) including the ridges (1a) is set not more than...
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WO/1995/024569A1 |
A novel means for the design of the pockets of a hydrostatic spindle and the flow supply, collection, and pocket (15B) injection means to allow for very high speed rotation with a minimum of heat generation, and maximum load capacity; fu...
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WO/1995/024570A1 |
The invention relates to a linear motion block unit which comprises a bearing adapted to move along a cylindrical guide, a female thread such as spline nuts or the like, a linear motion block adapted to run astride a guide rail, a guide ...
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