Abstract: A tenter frame clip which is at least partially constituted from a lightweight polymeric composite material. The clips are employed in tenter frames as components of clip-chain assemblies for grippingly engaging and advancing thermoplastic film webs, fabrics or foils through the tenter frame as the web is concurrently transversely stretched, and for the most part, are generally constituted from either cast iron or cast steel, depending upon the type and size of tenter frame may each readily weigh as much as five pounds, and even higher. The clips are usually extremely strong and tough in their construction and are each able to exert a gripping force of up to 1500 to 2500 pounds.

Abstract: This invention provides a method for fabricating ultrasonic transducer arrays and various transducer arrays produced utilizing such methods. The method includes the steps of cutting a block of piezoelectric material to form a plurality of wafers, each wafer being of a predetermined thickness; forming the wafers into a spaced parallel array with a center-to-center spacing between the wafers substantially equal to one-half of the object wavelength (as this term is defined in the specification); and causing the space between the wafers to be filled with a substance having an acoustic impedance which differs from that of the piezoelectric material by an amount such that the reflection coefficient between the piezoelectric material and the substance is greater than 0.9. The predetermined thickness of the wafers may be equal to one-half the piezoelectric wavelength and the substance between the wafers may be formed at least mostly of air.

Abstract: A method of manufacturing a bearing device having a housing into which a bearing bush is press-fitted. This method includes forming a tapered shape of a bearing hole of a bearing bush, and press-fitting the bearing bush into a bore of the housing having a uniform inside diameter.

Abstract: In a method of producing stiffening profiles, particularly of reduced weight, for example for robot arms, transmission parts, bicycle frames, loading tailgates, crossing tailgates or the like, the stiffening profile is extruded in its contours and configurations at right angles to its plane and the stiffening profiles are then cut off in a required thickness.

Abstract: A gear is manufactured by heating a blank up to a warm working temperature range, upsetting and piercing the blank through warm f=orging, forming gear teeth on the blank through warm extrusion to produce an intermediate blank which is substantially of a gear shape, and then finishing the gear teeth accurately through cold sizing. The gear can be manufactured highly accurately with a good yield without requiring other intermediate processes such as normalizing and shot blasting.

Abstract: A method of making a spring-energized elastomeric seal is disclosed in which the seal has a C-shape or a U-shape spring substantially surrounded by an elastomer. The method uses a male die section upon which the spring is loaded. A female die section is positioned around the male section. Elastomer is injected, cooled and the die sections pulled apart yielding the finished seal.

Abstract: A reusable end finishing apparatus for rope, cord, wire, cable, poles, rods and the like is provided. The end finishing apparatus has an outer rigid sleeve and an inner compressible barbed gripping member which engages the end to be finished. The inner compressible gripping member is advanced into and compressed by the outer sleeve via a threaded rod and nut arrangement where the threaded rod is attached to the end of the gripping member and extends through the outer rigid sleeve.

Abstract: The disclosure relates to an apparatus for assembling a seat for use in an automobile. The apparatus comprises a horizontally rotatable rotary table mounted on a base; a first supporting arm whose front end portion is longitudinally pivotally mounted on the rotary table by a first hinge axis; a second supporting arm whose rear end portion is longitudinally pivotally mounted on the rear end portion of the first supporting arm by a second hinge axis; a setting hose which is mounted on the front end portion of the second supporting arm and on which the lower corner of the seat back frame is placed in a position in which the seat back frame is approximately perpendicular to the rotary table; a rotation locking mechanism for locking the rotary table at a predetermined rotational position thereof; a first stopper which contacts with the first supporting arm so as to lock the first supporting arm in a forward position in which the first supporting arm forms an angle of approximately 45.degree.

Abstract: A double containment and leak detection apparatus including a tank, having a bottom and a surrounding shell, with a containment baffle means above the bottom and a leak detection means in a containment space between the containment baffle means and the tank bottom. The containment baffle means includes a baffle plate sealingly joined to the interior of the shell to form a sealed containment space between the containment baffle and the bottom. The leak detection means is installed in the containment space to detect the presence of stored material held in the tank in the event such material leaks into the containment space. The leak detection means is connected, through a leak-proof access, to means external to the tank for responding to such leaks of stored material so detected inside the containment space.

Abstract: A tool change mechanism in a machine tool includes a tool change arm arranged to attach a protection cover member to the forward end of a spindle head for protection of a ring secured to the forward end of a tool spindle in the spindle head and to remove the protection cover member for replacement with a tool holder of large diameter. The tool change arm is further arranged to insert the tool holder into the tool spindle and remove it from the tool spindle, the tool holder having a ring gear secured thereto for meshing engagement with the ring gear of the tool spindle and a protection cover part integrally formed therewith to be coupled with the forward end of the spindle head for protection of the ring gears meshed with each other when the tool holder has been inserted into the tool spindle. The tool change arm has a pair of tool grippers each having a first grip portion for engagement with the protection cover member and a second grip portion for engagement with the tool holder.

Abstract: A method for achieving the planar surface of an active face for magnetic recording/reading heads. The planar surface of the active face is obtained by grinding, the active face being of the type where, before the grinding operation, the level of the material forming the gap is recessed with respect to the magnetic poles, the method comprising depositing over the recess a thin layer of non-magnetic material with a thickness at least equal to the recess of the gap. The non-magnetive thin layer may then be ground to obtain the planar surface of the active face.

Abstract: A method for fabricating magnetic recording/reading heads. A substrate made of magnetic material is provided with a groove of a predetermined width. The surface of the substrate bearing the groove becomes the active face for the magnetic head. The face of the substrate having the groove is ground, and then filled with a non-magnetic material to form a gap. The filling causes the non-magnetic material to jut out of the groove. The material which juts out is ground off until the level of the substance is reached.

Abstract: A process for the batch fabrication of an array of shielded magnetoresistive (MR) read transducers comprising the steps of depositing a full film over the entire substrate of a first magnetic shield layer, a first non-magnetic gap layer and sputter depositing a layer of MR sensor material in the presence of a magnetic field for orienting the anisotropy axes of the layers of MR sensor material in a chosen direction. The MR sensor layer and the first gap layer are permitted to produce a plurality of MR read transducers, and the first magnetic shield layer is then patterned to produce a first shield for each of the MR read transducers. A second gap layer and a second shield layer are patterned to produce a second shield for each of the MR read transducers.

Abstract: A positioning system for installing body side moldings on cars or trucks is disclosed. The system automatically positions first and second spaced apart portions of a side molding platen in precise positions with respect to widely spaced locations on assembly line cars or trucks where successive vehicles have slightly differing pitch, yaw and roll orientations with respect to the positioning system.

Abstract: A knife having pivotally connected handle parts and a blade mounted on a carrier. An actuator is manually operable to move the carrier to extend the blade from the handle and to retract the blade within the handle. The handle parts are held locked together while the blade or a part thereof is extended from the handle.

Abstract: A safety razor comprises a handle, a blade element movable relative to the handle in a direction which substantially corresponds to the direction of a working stroke, and an elastic element located between the handle and the blade element as considered in this direction.

Abstract: A cutting tool for cutting tree branches and small trees in a minimum of strokes of the tool, as well as for cutting bushes, plants, tall weeds and the like, includes an elongated rigid blade at least about 8 to 10 inches in length, an elongated handle at one end of the blade, a straight cutting edge extending most of the length of the blade, and a curved blade end which curves back toward the handle to form a generally U-shaped cutting end of the blade. The outer non-cutting portion of the blade is at least about 1/4-inch thick and provides the principal mass of the blade. The inner portion of the blade tapers to form the straight cutting edge which is positioned to extend along an axis behind the axis of the handle to balance the tool for efficient cutting.

Abstract: In order to construct a rail supporting means on the casing for a power driven chain saw in such a way that, when the saw chain is placed in position, the saw rail is already retained relatively firmly and is adjustable by means of the saw chain tightening device, a casing for a power driven chain saw is provided with a drive unit driving the saw chain revolvingly via the saw rail with a rail supporting means with two fastening bolts penetrating a slot-like aperture constructed in the saw rail and a saw chain tightening device arranged within the area of the rail supporting means and a sprocket wheel cover which can be secured to the casing that overlaps and covers the rail supporting means, the sprocket wheel cover (10) being constructed in two portions and comprising a protective cover (20) and a clamping cover (30), the clamping cover (30) being provided with two perforations (12a, 13a) through which the bolts (12,13) are able to penetrate and it being possible for said clamping cover to be mounted by mean

Abstract: A portable handheld circular saw having a C-shaped handgrip housing that is attached to the rear end of a motor housing. A trigger switch is mounted in the handgrip housing and a first pair of electrical wires have one of their ends connected to the input side of the trigger switch. The opposite ends of the first pair of electrical wires would have a male electrical connector secured thereto. A second pair of electrical wires has one of their ends connected to the output side of the trigger switch and their opposite ends connected to an electric motor in the motor housing. A third pair of electrical wires have one of their ends connected to the input side of the trigger switch and their opposite ends connected to an auxiliary female electrical socket that is installed in an aperture that has been formed in either the motor housing or the handgrip housing.

Abstract: A master pattern for upper garments comprising three parts, a front part, a rear part and a lateral part integrated with a sleeve bottom, wherein sewing lines for sewing the lateral part to the front and rear parts are substantially parallel and straight, and a sewing line for sewing the front and rear parts to the lateral part and a sleeve attaching line bulge toward the lateral part to describe an L-shape with the sleeve root of the sleeve attaching line forming the apex, the sleeve bottom of the sleeve attaching line being located at the bottom of the cross-section of the arm root of the human body.

Abstract: The present invention is directed to an improved, multi purpose measuring device for determining various parameters of an externally threaded member. In particular, the invention includes a substantially ring shaped housing slidably supporting at least one pair of gage plugs having measuring assemblies mounted thereon. As the gage plugs are selectively moved through the housing to bring the measuring assemblies into contact with an externally threaded member for determining various parameters such as the actual and functional pitch diameters, the minor diameter and the concentricity of the threaded member.

Abstract: An adjustable guide assembly for use by a stone mason in constructing a brick wall so that the bricks thereof are uniformly spaced forwardly from a preexisting subwall. The guide assembly includes an elongated guide member having a longitudinally extending substantially straight guide face thereon, an elongated spacer element and a clamp for securing the spacer element to the guide member so that it extends outwardly from the guide face by a predetermined gauge distance. After an initial or bottom row of bricks has been laid so that the front surfaces of the bricks therein are spaced forwardly from a subwall by the gauge distance, the guide assembly can be utilized by positioning it so that the guide member is in a substantially vertical disposition with the guide face in engagement with the front surfaces of the bricks in the bottom row and so that the terminal end of the spacer element is in engagement with subwall.

Abstract: A true position gauge for checking the alignment of a plurality of electrical contacts positioned in an electrical connector, said contacts extending from the connector body and presenting a patterned array, said gauge comprising: a gauge work station; connector receiving means at said work station; connector alignment means at said work station for cooperating with said connector to present a consistent alignment to said gauge; a gauge plate at said work station, said gauge plate containing a plurality of apertures equal in number and pattern to said patterned contact array; gauge plate moving means operable to deposit said gauge plate upon said connector; and sensing means operable in conjunction with said deposit of said gauge to determine if said contacts have penetrated said apertures.

Abstract: An improved alignment gauge allows a vehicle to be easily checked for misalignment while the gauge is manually supported by an operator. The gauge comprises an elongate adjustable length beam and a needle indicator carried on the beam and having an axis perpendicular to the beam axis. In one embodiment, a second needle indicator is provided, and both a horizontal level and vertical level are permanently affixed to the beam. In another embodiment, the beam includes a centering member for engaging a centerline reference point along the vehicle, and the needle indicator axis passes through the beam axis. A left-side reference point may be quickly compared to a right-side reference point while the centering member remains in engagement with the centerline point on the vehicle.

Abstract: A device for measuring infants has an elongated measuring base having at least one sequence of linear measuring indicia thereon extending from one end of the measuring base parallel to the axis of elongation. The base has a pair of opposed channels extending substantially the length of the measuring base parallel to the axis of elongation. A fixed end stop extends upward from the one end. A measuring stop is slidably connected between the pair of opposed channels of the measuring base. The measuring stop has a channel slide member with two opposed, parallel, channel-engaging edges that are biased to frictionally engage the interior of the opposed channels. Release means is operably connected to the channel slide member for counteracting the bias toward frictional engagement of the interior of said opposed channels. An index panel extends upward from the channel slide member and has an indicating relationship with the sequence of measuring indicia.

Abstract: Cohesive solids are fluidized in a chamber having a movable perforated wall through which the fluidizing gas flows by reciprocating the movable wall.

Abstract: Disclosed is a boat shoe that includes a sole constructed to allow for the flow of water from the interior of the shoe to the exterior of the shoe. The sole includes an innersole which is a removable orthotic with a series of openings through which water can pass. A rubber lasting board, which also has a series of openings to allow to pass through, is positioned between the innersole and a polyurethane midsole. The midsole includes a series of passageways molded into the upper surface of the midsole that direct the water towards the exterior of the shoe. In particular, these passageways lead to the exterior side portions of the shoe so that the water running through these passageways will flow from the interior of the shoe and out through the exterior side portions of the shoe.

Abstract: The invention relates to an elastic foot support, to be built-in or inserted in shoes consisting of a support plate made of an arched elastic flat material, which is provided in its frontal area with an elastically flexible support body with at least two toroidally shaped projection on its bottom side. According to the invention, the support plate (1) has in its frontal section a cut out (16) or a slot (3) running approximately symmetrical to its longitudinal axis; further, the support body (2) is fastened to the support plate (1) in such a way that parts of the support body are pressed through the cut out (16) or the slot (3) when weighted down by the foot of the wearer, thereby having a massaging effect upon the foot.

Abstract: A formal marching shoe suitable for use in "corps style" marching maneuvers having a heel-free outer soleunit with a substantially planar ground engaging bottom surface, the shoe upper having a close encircling foot enclosure adapted for closing in a conventional manner by laces and the outer soleunit of the shoe extending upwardly in a curving, arcuate course from the rear heel-receiving end of the shoe to joinder with the outer surface of the rear of the shoe upper.

Abstract: A trenching machine that can be easily converted between push or pull type models by using same parts at the manufacturing stage, is disclosed. The machine includes a base frame having first and second surfaces, first and second ends, and sides. A motor engine and first ground engaging means are located at first end of the base frame, and second ground engaging means is located at second end thereof. A mechanism connects the motor with first ground engaging means for driving it. The second ground engaging means includes an offset portion which is positioned inside of the first ground engaging means. A digging device is cantilevered from first and second ends of the base frame, and has a portion positioned adjacent the offset portion of the second ground engaging means in front of the first ground engaging means. The base frame is open on one side and the digging device is disposed adjacent thereto. The base frame further includes a steering handle secured at the first end thereof.

Abstract: The payload capacity of an excavating dipper or bucket for a power shovel or dragline is increased by providing an upper bucket portion having support brackets and the strength to support the rated load of the dipper and a disposable lower portion having opposed sidewalls and a bottomwall of a material thickness less than the upper sidewalls and topwall. The lower sidewalls are secured to the upper sidewalls by interference fitted retaining pins disposed in machined bores formed in the upper sidewalls and the lower sidewalls, respectively. The upper sidewalls may be modified to provide spaced-apart plate members which define a slot for receiving the lower sidewall portions, respectively.

Abstract: An adjustable steam flow control for an electric steam iron includes a metering rod mounted in threaded engagement with a support bushing and having a lower end that extends into a valve orifice between the water reservoir and the steam generation chamber. A pinion gear is secured to the metering rod and engages a spur gear sector on a rotatably mounted steam adjust knob. Rotation of the steam adjust knob in one direction or the other by the user causes the metering rod to rotate in its bushing and advance into or retract from the orifice to thus control the steam flow rate. The steam control knob is provided with a spur gear sector so that partial rotation of the steam control knob will rotate the metering rod through its full range of motion. The present invention advantageously provides an adjustable steam flow control for an electric steam iron in which steam control can be precisely controlled and in which repeatable increments or decrements of steam flow can be obtained in a positive manner.

Abstract: An iron assembly including a handle and an incorporated reservoir both formed of a single molded piece defining a reservoir cavity having a rear opening. An obdurator is provided fixable to the molded piece to seal the reservoir cavity rear opening. The single molded piece is formed with the handle portion to define an additional cavity with an opening at the rear. The single molded piece includes a front funnel-shaped opening which communicates with the reservoir cavity at a top portion of the reservoir cavity. The single molded piece includes a bottom opening communicating with the reservoir cavity. A cover is provided engageable with the single molded piece to close the bottom opening to define a fluid delivery opening. A heating plate is provided having a fluid chamber communicating with the fluid delivery opening. A heat dissipator is disposed between the reservoir cavity and the heating plate.

Abstract: A picture frame is constructed in the form of a rectangular base member which has a raised outside edge around it, so that a first portion of the base member is located in a plane recessed from the edge. A second recessed portion for receiving a picture is located in the front face of the base member and is located in a plane recessed from the plane of the first portion. When a picture is placed in the second recessed portion, an inner clamping frame frictionally engages the edges of the second recessed portion to press against the edges of the picture to hold it in place. A decorative panel is removably placed over the first recessed portion between the outside edge of the base member and the edges of the second recessed portion. The clamping frame has a flange which overlies the first recessed portion around the edge of the second recessed portion, and this flange engages the removable decorative panel to hold it in place on the frame.

Abstract: A kinetic sculpture apparatus comprising a transparent tank filled with a transparent liquid and an air supply system wherein air bubbles are introduced along the bottom of the container and thus are distributed thorughout the liquid. Immersed in the liquid are a multiple of vessels that are substantially closed on their sides and top, and substantially open on their bottom. The vessels are weighted so that they have a negative buoyancy when holding a small amount of air but will become positively buoyant when they accumulate more air from the rising air bubbles. The vessels are also weighted so that their center of gravity remains below their center of buoyancy even when in a full positive state. The apparatus comprises techniques for releasing the air from the vessels at the top of their rise so that will sink back towards the bottom until they collect more air and rise again.

Abstract: Apparatus for the cyclic rearrangement of a pile of rectangular or square sheets, especially a pile of photographic prints, is provided. The apparatus has a first and a second frame part which may be moved relative to one another and parallel to the main plane of the pile, and a picture changer which, on movement of the frame parts backwards and forwards, removes an individual sheet at one end of the pile and adds it to the other end of the pile. The picture changer includes a first and a second separating member which, resiliently biased towards each other, define a through-gap which for the entry of the sheet being separated has a spacing greater than the thickness of one sheet and less than the thickness of two sheets, which spacing is, during the outward movement of the frame parts, maintained or reduced to the thickness of the sheet being separated, as appropriate.

Abstract: A shelf tag moulding attachment assembly is provided for securing a product information module to a standard shelf tag moulding in a manner as to inhibit unauthorized removal, while permitting easy removal by authorized personnel through use of a grasping device. The assembly preferably includes a mounting member having projections disposed at one end for effecting biting engagement with one of the tag moulding lips, and a lever arm rotatably coupled to the mounting member having a cam at one end disposed to controllably engage the other lip of the tag moulding. The assembly is demountably secured to the tag moulding when the lever arm is rotated with respect to the mounting member.

Abstract: A method and an apparatus for orienting and loading a plurality of unoriented rim-fire cartridge into a magazine are provided. An orienter apparatus employs gravity to orient rim-fire cartridges by hanging a plurality of cartridges from a number of parallel rails. The orienter is repositioned to a second or vertical configuration so that gravity can be used to feed the columns of oriented cartridges through a chute. In another embodiment, a collector apparatus is used to pick up a plurality of cartridges and hold the cartridges in a holding portion. The orienter or collector operatively engages with a loader which employs a camming mechanism to move cartridges one at a time into a magazine. The cartridges are placed in a first angular relationship with respect to the magazine opening and are moved through the opening while changing the angular relationship of the cartridge with the magazine opening.

Abstract: A laser aiming device having a plasma tube encased by a cylindrical member upon which windage and elevation adjustments act. Resilient ring members separate the cylindrical member from the plasma tube. Another resilient member located between the cylindrical member and an outer housing member cavity wall provides counterforces against which the windage and elevation adjustments act.

Abstract: The disclosure is directed to a visual fishing aid comprised of a substantially rectangularly shaped plastic plate having a plurality of openings or holes to retain spring rings (necklace claspers) inserted therein to allow the plate to slide along fishing line which is threaded through the openings in the spring rings, a plurality of anti-sail (anti-sway) openings to allow wind to pass through this plate so that the plate does not whip around and cause the fishing line to become snagged or twisted around the pole and a ballast glued or otherwise attached to the lower longitudinal (long) portion of said plate to make the plate more stable and to assist it in holding its position on the fishing line during use.

Abstract: An improved method and a container for growing a transplantable plant are provided. The container is comprised of a set of upwardly extending removably joined side panels. The side panels are bendable and have vertical edge joints adapted so that one or more of the side panels can be bent arcuately and removably joined together to form a generally cylindrical open-topped container of selected size.

Abstract: A window guard assembly made up of two, slidably coupled, generally U-shaped, members each comprising parallel spaced, elongated, linear legs integrally interjoined at one end to a transverse portion which lies in a plane parallel to the plane of the legs. In assembly the transverse portion of each member extends laterally outwardly and around the legs of the other member. As a consequence, the two members may be assembled slidably with adjacent legs of the two members co-planar and the transverse portions thereof disposed on opposite sides of the assembled members. The outer of free ends of the legs are attachable to window frame members for mounting the guard assembly across a window opening. In a first modified version, each guard member includes three elongated legs attached to a transverse portion and in a second modified version, the transverse portion of each of member is welded to the ends of the legs.

Abstract: A power supplying system for supplying power to a self-driving closure device in which a driving source for driving the closure device for opening and closing an opening moves together with the closure device includes a lead wire having one end connected to a power source and the other end connected to the driving source. The side of the lead wire connected to the power source is supported at a midpoint between the positions of the upper and lower limits of movement of the driving source, while the side of the lead wire connected to the driving source is supported in such a manner as to move together with the driving source. The lead wire is thus made to swing in conjunction with the movement of the driving source so as to supply power to the moving driving source. A guide shaft is provided along the direction of movement of the driving source, and a helical portion formed in the lead wire is extended or shrunk along the guide shaft so as to supply power to the moving driving source.

Abstract: A door has a frame mounted therearound for connecting with an engaging member mounted adjacent to an opening in a wall. The frame has a guiding channel and a connecting member installed in the guiding channel for connecting with the engaging member. A slide piece is slidably provided in the guiding channel and screws are introduced into the connecting member for interconnecting the connecting member and the slide piece, and thus immobilizing the slide piece, so that the slide piece permits adjustment of the location of the connecting member relative to the channel.

Abstract: An accessory is provided for a conventional workshop table saw that allows the table saw to be utilized to sharpen the blades of knives. The accessory includes a channel follower adapted for engagement in a guide channel formed on the flat planar surface of the table saw. A knife cradle is connected to the channel follower and is selectively movable in a transverse direction to adjust the spacing of the knife cradle from both the guide channel and a rotary blade element slot defined in the planar work piece table top. A grinding disk is mounted as a rotary blade element in the table saw and a knife, positioned in the knife cradle, is advanced past the grinding disk to hone the knife blade.

Abstract: The present invention is directed to a vertical/horizontal double-way grinding abrasive belt grinder which includes a base and a horizontal grinding wheel head. The base has a vertical grinding wheel and an assembly chamber arranged at its top. The vertical grinding wheel can be adjusted within an angle of 45.degree. with respect to the top of the base. The assembly chamber includes four positioning blocks respectively spaced about an opening at the top of the base for mounting thereon a cover plate or the horizontal grinding wheel head. The horizontal grinding wheel includes a housing and an abrasive belt wheel which are arranged to cooperate with the vertical grinding wheel for an abrasive belt to rotate thereabout.

Abstract: A centrifugal processing machine for the merchanical processing, for example, grinding, polishing, cleaning and de-burring of workpieces, with a container serving to accommodate the work-pieces and processing agents. The container comprises a substantially cylindrical casing and a rotating bottom, in the form of a plate or similar dished structure, mounted coaxially with the casing. The peripheral edge of the bottom projects towards the cylindrical casing and forms a narrow gap. For adjusting automatically the width of the gap around the entire periphery of the container, as a function of a given or varying gap-width, the casing is adapted to be raised and lowered in relation to the bottom. This is accomplished by means of a measuring device, which measures the width of the gap, and by means of a device for raising and lowering the casing which is adapted to be controlled by the measuring device in such a manner that the width of the gap is adjusted to a specific value and is held at this value.

Abstract: The honing apparatus comprises a dolly 1 on which is mounted an electric motor 2 and a reservoir for water 3. A flexible cable 4 emerges from the command motor and within this cable is located a flexible command cable which by means of a reducing adapter located at the end is connected with an assembly 8 and imparts rotation to the plate 6. The plate carries the operating heads 7 which provide for smoothing the plaster both on vertical walls as well as ceilings. The apparatus also provides for spraying water by means of tube 5 if this is necessary.

Abstract: A ski grinding device and method comprising a holder having an adjustably sizable frame and a plurality of biasing legs disposed to engage the ski and maintain it in a flattened position. By holding the ski flat, the running surface can be ground more controllably and precisely.

Abstract: A stack cap for protecting stacked field crops such as hay from moisture comprising: roof structure for covering an upper portion of a stack; roof mounting structure for supporting the roof structure on a stack in spaced apart relationship therefrom whereby ventilation of the upper portion of the stack is permitted; securing means for securing the roof structure to a stack; stack mounting apparatus for raising the roof structure onto a stack; and alternate support structure for selectively supporting an end portion of the roof structure above a removed portion of a covered stack. Methods for mounting the stack cap on a stack and interconnection of a plurality of stack caps are described.