Abstract: A writing board for use as an accessory to a brief or attache case has a main housing and four telescopically received auxiliary panels. The auxiliary panels may be telescoped outward to form together with the main housing a large surface on which to rest papers and files or telescoped into the housing in overlapping relationship to form a compact unit readily stored within a brief or attache case. The housing is formed of three parallel plates spaced apart to form two passages in each of which a pair of auxiliary panels is received. Strips of panel material, metal channels or special clips may be used to hold the plates of the housing in proper spaced relation. The two lateral auxiliary panels include pockets to secure papers and the edges of one auxiliary panel and the housing include lips to limit slippage of papers or writing tools into a seated user's lap.

Abstract: A support for a CRT monitor provides translational movement for the monitor in two perpendicular directions. The support is on rollers for movement over a horizontal surface, and includes telescoping arms for movement in a first direction. One of the arms enters an elongate guide channel mountable on the surface and includes rollers for rolling along a vertical wall of the channel so that the support moves in a second direction perpendicular to the first. The channel includes a cover and end walls.

Abstract: A work station for photomask inspection includes a microscope and a movable stage positioned below the objective of the microscope. A rectangular frame of the stage surrounds a viewable area of the stage. Rail means are bolted onto the frame at spaced apart positions corresponding to the width of the photomask that is to be inspected so as to position the photomask therebetween. The rails have end stops that are positionable according to the length of the photomask for positioning the end edges of the photomask therebetween.

Abstract: A drive system for slides and x-y stages in microscopes and similar instruments having the possibilities of both fine control and rapid displacement of the slides over larger distances. The drive system comprises a friction wheel and a friction track provided between the slide and the stationary slide guide. A friction wheel together with an actuation knob are solidly fixed on a common shaft and this common shaft is displaceable against a spring force so that the friction wheel is out of contact with the friction track.

Abstract: A work station for a word processor having a keyboard and a separate console, the work station having a planar work surface with a front opening therein in which a keyboard receiving front platform is adjustably mounted for both upward and downward movement and for tilting movement relative to the work surface, the work surface also having a rear opening therein in which a console mounting rear platform is mounted, the rear platform being movable vertically relative to the work surface and additionally provided with means permitting forward and rearward as well as rotational and tilting movement of the console, all of the controls for adjusting the positions of the keyboard and console being accessible to an operator from the front of the work station.

Abstract: A desk top keyboard display terminal includes a keyboard which may be latched to the front of the terminal or articulated over the edge of a desk to a level convenient for a typist.

Abstract: In a sliding table 40 slidingly mounted on a guide block 6 with an air bearing therebetween, a moving bracket 38, which is driven by a rotation of a driving screw rod 35 in an axial direction of the latter, is coupled with an elastic coupling means. The elastic coupling means is formed by abutting the moving bracket 38 to the faces of the holding blocks 41 and 42 of the sliding table 40, with a rubber sheet 43 and 44 or the like springy means inbetween.

Abstract: A shelfing system is disclosed herein for use in storing data processing devices, said shelfing system including cooling blowers in the surfaces thereof for cooling the electronic equipment stored therein. The shelfing system, furthermore, is pivotally fastened for convenient maintenance access with the pivotal motion thereof restrained by a locking mechanism. Thus the user has access to all of the operative features of the data processing device while the device itself is retained against unauthorized withdrawal.

Abstract: In an apparatus for precisely moving a table, rectilinear drive systems for both X- and Y-axes are fixed to a support frame, a movable stage is constructed so as to have its motion in the direction of one of these axes constrained by the motion of the rectilinear drive system for the one axis and to have its motion in the direction of the other axis constrained by the rectilinear motion of the rectilinear drive system for the other axis, and means for coupling the rectilinear drive system for at least one of the axes and the movable stage so as to have a backlash.

Abstract: A mechanism is provided for adjusting the relative position of an automotive seat with respect to the floor of the automobile. The mechanism has a first member having a pair of flat converging surfaces of substantial length defining a path of movement between the seat and the floor. At least one locking member is provided and includes a groove having converging side walls complementary with the flat converging surfaces of the first member. The locking member is capable of movement toward and away from the flat converging surfaces of the first member. A spring is provided to bias the locking member toward the flat converging surfaces of the first member thereby wedging the flat converging surfaces of the first member into the groove on the locking element. This prevents relative movement between the seat and the floor. A release mechanism is provided for moving the locking element away from the flat converging surfaces on the first member to permit movement of the components along the path of adjustment.

Abstract: A pullout shelf provided with rollers is mounted on static roller guide structure having several tracks with openings in the tracks to allow manipulation of the shelf and a supported machine to desired heights and inclinations.

Abstract: A friction drive for a positioning table employs a friction drive bar centered along the axis of the positioning table and coupled to the positioning table through a flexure member which allows lateral translation of the friction drive bar with respect to the table. The shaft of a rigidly mounted servomotor is tightly pinched against the side of the friction drive bar by a pair of back-up rollers on a pivoted support bar anchored to the frame bearing against the off side of the servomotor shaft and a pressure roller, also mounted on an anchored pivoted support bar, bearing against the opposed side of the friction drive bar. The pair of back-up rollers and the pressure roller are resiliently urged together to firmly pinch the servomotor shaft and friction drive bar together. The anchored pivoted support bar carries through longitudinal forces to prevent deflection of the servomotor shaft.

Abstract: A moving table assembly has a base, a table supported by the base for movement in one direction, a feed screw having its axis parallel to the direction of movement of the table, a nut threadably engaged with the feed screw, and a connecting mechanism for connecting the table and the nut, the connecting mechanism comprising a first connecting portion for transmitting the axial displacement of the nut to the table and a second connecting portion for preventing the nut from rotating relative to the axis of the feed screw, the first connecting portion being provided with a guide member having a pair of guide surfaces provided on one of the table and the nut in orthogonal relationship with the axis of the feed screw, two support shafts corresponding to the guide surfaces respectively and secured to the other of the table and the nut, and two arms rockably provided on the support shafts respectively and having at the opposite ends thereof rotatable rollers engaging the guide surfaces, the rollers being pressed agai

Abstract: An adjustable length shelf for a small animal cage having opposite wall members comprises first and second shelf portions which are fitted together in an expansible and contractible telescoping relationship to fit between the opposite wall members of virtually any commonly used veterinary or laboratory animal cage. An adjustment mechanism for forcing the first and second shelf portions apart includes one part mounted on the first shelf portion and a second and coordinating part mounted on the second shelf portion for urging the opposite free ends of the shelf into contact with the cage walls. Opposite end plates are pivotally mounted to the free ends of the shelf for facing engagement with the cage wall members.

Abstract: A system for allowing a wheeled truck to be rolled on and off a vertically extendable lift table assembly, whereby material handling operations between one vertical elevation, and one horizontal location, and the second vertical location, at a second horizontal location, will be facilitated. The roll-away lifting combination herein essentially comprises a vertically extendable lift table assembly with a cooperating wheeled truck assembly that can be selectively superposed, i.e., moved on or off, a lift table assembly which in turn allows the entire assembly to be conveniently moved from one horizontal location to another. The lift table itself preferably has a double scissor-jack linkwork, which allows the wheeled truck to be raised, for example, to heights of approximately seven feet above a horizontal ground reference.

Abstract: An over-the-bed table including a central top portion having a first end portion slidably mounted on one end thereof and a second end portion slidably mounted on the other end thereof. A first U-shaped leg member is pivotally mounted on the outer end of the first top end portion, and a second U-shaped leg member is pivotally mounted on the outer end of the second top end portion. The length of the leg members is such that the same support the top portions above and spaced from the uppermost surface of a bed over which the top is placed with the legs extending downwardly alongside the bed. The length of the top is adjustable to a length greater than the width of the bed.With the table free of a bed the legs may be pivoted to a position under the top members for compact storage.

Abstract: The specification describes a stepping advancing device more particularly r tables for receiving components during a stage of manufacture. The device comprises a crank drive adapted to reciprocate through 180.degree. and attached to the table. A pitman of the crank drive is pivotally connected at its free end remote from the crank shaft with an anchoring or fixing element guided for movement in the direction of movement of the table. This element is clamped to and freed from its guide at the respective end of movement of the crank drive. Furthermore there is a second fixing element, directly fixed to the table and which at the end of travel of the crank drive is detached from and clamped to a further guide, running in the direction of travel of the table, so as to perform an opposite movement to the first-mentioned fixing element.

Abstract: A combination tool including a table base, a carriage mounted on the base and having a screw jack for moving it forwardly and rearwardly relative to the base, a main table top carried by and movable with the carriage, and an auxiliary table unit having a planar surface through which the blade of a power saw projects. The auxiliary table may be mounted on the carriage in a first position, in which the auxiliary table surface forms an extension of the main table for conjointly supporting work pieces to be moved in cutting relation to the saw blade, with the screw jack functioning to adjust the spacing bewtween the saw blade and a fence carried fixedly by the base, and a second position in which the auxiliary table surface is disposed vertically at an edge of the main table top and the projecting saw blade overlies the main table surface for grooving, edging or shaping the edge of a work piece supported on the main table.

Abstract: A fine position control device for finely adjusting the position of a fixed information carrier such as a transparency in a COM (computer output microfilmer) system. This position control device is capable of moving a fixed information carrier in the X, Y and Z directions in an orthogonal coordinate system and also of rotating the same in the .theta.-direction in the X-Y plane. The position control device has a Y-direction moving stage, an X-direction moving stage which moves in the Y-direction together with the Y-direction moving stage and is movable in X-direction independently of the Y-direction moving stage, a Z-direction moving stage which moves in the X-Y plane together with a member fixed to the X-direction moving stage and is movable in the Z-direction independently of the X-direction moving stage, and a .theta.-direction rotating stage which moves together with the Z-direction moving stage and is rotatable in the X-Y plane independently of the Z-direction moving stage. The .theta.

Abstract: The improved drive system for linearly translating the sample platform of a mensuration stage along two axes comprises two drive bars, each bar having one tapered lontitudinal edge. The X-Y position adjustment of the sample platform is controlled by two manually operable, coaxial controls which are coupled to V-grooved drive wheels. Leaf springs formed in the ends of each drive bar urge the tapered edge of each drive bar into enhanced, frictional engagement with a drive wheel. Each end of the drive bars are also formed to cause the drive bar to frictionally disengage from the drive wheel as the sample platform is driven to its limit in either direction along either axis.

Abstract: An operating station having an operator's seat and one or more observer's seats movable along a U-shaped track so as to be positioned either behind or on either side of the operator's seat. The track comprises four individual rails to which is mounted a set of four swivel rollers which support a base member of the observer's seat. The rails each have a substantially identical U-shaped configuration, with the center of symmetry of each U-shaped rail being offset from one another in a manner that the base member of the observer's seat is able to move along the entire U-shaped track assembly without changing its orientation with respect to the aircraft. In another configuration, the two halves of the U-shaped rail are made as mirror images of one another.

Abstract: In a table having a stationary base, a table top linearly translatable with respect to the base is disclosed. The table top translates on a roller and rail assembly located intermediate the table top and a base plate that is affixed to the table base. The table top translates along the extension of the rails and structure is also included for releasably locking the table top in any one of a plurality of predetermined positions.

Abstract: A double slide way bearing adapted to carry and locate a heavy object such as a machine tool within a plane which includes at least one main body having an upper and a lower rail-receiving grooves formed in its upper and lower surfaces to extend typically in two orthogonal directions. The upper rail-receiving groove is adapted to receive an upper rail bed which fixedly carries the object, while the lower rail-receiving groove is adapted to receive a lower rail bed which is fixed to a base. Between the rail-receiving groove and the rail bed, at each of the upper and the lower sides of the main body, interposed are loaded and unloaded balls which are adapted to roll along respective paths defined by grooves formed in the inner peripheral wall of each rail-receiving groove and in the surface of the associated rail bed, so that the object may be slidingly moved in the directions in which the upper and the lower rail beds extend to any desired position within a plane including the upper rail bed.

Abstract: In a cross-movable carriage comprising a movable base plate and a stationary base plate, the movable base plate has two first guide grooves formed in one surface thereof and the stationary base plate has two second guide grooves formed in one surface thereof. A guide mechanism comprises two first guide members capable of fitting in the first guide grooves and two second guide members capable of fitting in the second guide grooves. One of the second guide members and one of the first guide members are fastened together, and the other of the second guide members and the other of the first guide members are fastened together. The guide mechanism is provided between the movable base plate and the stationary base plate to permit the first guide members to fit in the first guide grooves and permit the second guide members to fit in the second guide grooves.

Abstract: A pressure balance bearing providing a hydrostatic bearing film, which is connected to maintain a load or device in a constant position in relation to a reference or support surface. Several support bearings are plumbed together so that there may be cross flow between the bearings. An external control valve is mounted on the member and senses the relative position of the object. The valve in turn adjusts the flow of oil into the bearings as a function of changes of relative position of the object and reference or support surface. As shown, a large mass is supported on the pressure balance bearings and is capable of bilateral movement. The mass is supported on a plurality of bearings using three control valves arranged in a tripod configuration.

Abstract: A sorting switch comprises a plurality of channel-shaped pallet support members mounted on drive chains for movement around a course including an upper article sorting portion and a lower return portion. The upper article sorting portion of the course includes parallel article conveying paths, and the pallet support members extend across both article conveying paths. A pallet is slidably supported on each pallet support member and has a switch engaging member depending therefrom. The pallets are arranged in sets, with alternate sets of pallets being normally aligned with opposite article conveying paths. Switching mechanisms are provided for selectively allowing each set of pallets to remain aligned with the article conveying path normal thereto or for diverting the pallets comprising the sets into alignment with the opposite article conveying path.

Abstract: Shelving stacks for a library or the like include lightweight pre-assembled free-standing modules which can be assembled as desired at the site. The modules are secured in assembly by rectangular top and bottom connecting frames and spaced by the frames so that the vertical frame members of the modules support slidable shelves within the modules and between the modules. The slidable shelves have a length greater than the depth of the modules. Rear wall ties and side frame ties are easily connected at the site to frame in an enclosure for the overhanging shelves and provide additional support for the modules as well as form an integrated assembly of the modules. The ties are provided in various lengths so that the shelving assembly can be arranged to provide the desired aisles and range pattern to fit the building floor plan.

Abstract: A file cabinet construction includes at least one shelf mounted within a housing having parellel opposed side walls and a rear wall. A number of guide rails are mounted at predetermined positions along the shelf so that they are parallel to the side walls of the housing. Each guide rail has a longitudinal slot extending into the guide rail from the end located nearest to the rear wall of the housing and terminating at a point adjacent to the forward edge of the shelf. A boxlike container which includes opposed parallel longitudinal sides and a bottom having a longitudinal channel is detachably mounted on each guide by a floating pin. The floating pin is mounted so that the longitudinal axis of the pin is transverse to the channel in the bottom of each container.

Abstract: A work piece transfer mechanism having a plurality of successive stations each provided with a fixture for locating and clamping a pallet in position for performing a machining operation on the work piece supported by the pallet. The locating and clamping means of each fixture are actuated by reciprocating bars. Preloaded compression springs are interposed between the bars and the locating and clamping means of each fixture for applying a relatively high force to the clamping members in response to a short stroke of the bars.

Abstract: A method and article of fabricating a table comprising the steps of making a lightweight metal frame having a plurality of channels, the edges of which are slightly overlapped by steel plates placed on and connected to the frame. The top surface of the steel plates is machined to render the same coplanar.The frame has orthogonal ribs, and a plurality of bosses formed with apertures therethrough for passage of connecting screws which thread into tapped holes formed in the steel plates. Any excessive length of the screws will be cut off during the machining operation.

Abstract: The structure of the present invention comprises an index file in the form of a shiftable table longitudinally operable upon a support base. The table is shiftable upon antifriction means, and may be releasably locked in position. Means is provided for sectionalizing the index cards or data folders carried by the table to maximize accessibility and minimize operator fatigue.