Abstract: A bar for supporting a table, includes an angle shaped bar having a longitudinal extension, including a first side and a second side extending perpendicular relative each other, at least one first hole through the first side of the angle shaped bar, adapted for connecting two bars together longitudinally so as to form a longer bar, a ridge, extending along the longitudinal edge of the first side of the angle shaped bar, wherein the ridge is adapted to longitudinally limit movement of connected bars.

Abstract: Disclosed is a shelving system comprising a vertical surface and at least one shelving bracket, wherein the shelving bracket comprises a first projection in the form of an integral hook-shaped fastening element on the upper portion of one end of a bracket element; a second projection in the form of an aligning projection on the lower portion of said end of the bracket element; and a hollow tube-like support element, wherein the opposite end of the bracket element extends internally to one end of support element and toward the opposite end of the support element.

Abstract: A pole assembly includes an elongated tubular member having an outer periphery with a pair of grooves therein, each groove defining a concave sidewall portion and a flat sidewall portion, a cam member comprising a plate-shaped portion and a pair of arms extending from a surface of the plate-shaped portion, the cam member configured to, while the major surface is adjacent a portion of the outer periphery, be rotated to cause each arm of the pair of arms to engage a respective groove of the pair of grooves, and a mount portion comprising a body defining a cavity having a pair of elongated sidewalls configured to engage respective outer surfaces of the pair of arms while the mount portion covers the cam member and the cam member is at least partially within the cavity to prevent the pair of arms from disengaging from the pair of grooves.

Abstract: A projection screen system includes a housing defining a channel, a screen and motor assembly including a projection screen and a tubular motor, and first and second opposed mounting features configured to hold the screen and motor assembly in the channel of the housing. The housing is configured to be installed recessed in a ceiling and the screen and motor assembly is configured to be mounted in the housing of the installed housing such that the installation of the housing and the mounting of the screen and motor assembly are performed independently.

Abstract: A refrigerator comprises a main body having an enclosable interior compartment, the compartment including at least one wall having and at least one channel recessed into the wall; at least one shelf mounted in the compartment; and a fixing rail mounted to the wall and within the channel so that the fixing rail and portions of the wall adjacent the channel are substantially flush. The fixing rail has a plurality of mounting locations for the shelf to allow adjustable mounting of the shelf relative to the wall.

Abstract: A modular wall system for use in trade shows includes an upstanding column having a surface, a panel having an end, and a connecting bracket for detachably connecting the end of the panel to the column. The connecting bracket includes male and female interengageable parts, where the female part is attached to the end of the panel and the male part is attached to the surface of the column. The female part includes a slot extending in a direction along the length of the surface of the column. The slot includes opposing outwardly inclined sides. The male part includes opposing sides corresponding in shape to the slot sides and received within the slot to connect the end of the panel and column.

Abstract: An image-capturing system diagnostic device includes: an image acquisition unit that obtains an image; and a monitoring unit that monitors a quantity of foreign matter present in an optical path by generating defect information indicating a defect at pixels caused by the foreign matter in the optical path based upon the image obtained by the image acquisition unit and calculating an areal ratio of defective pixels in the image based upon the defect information having been generated and issues a warning for a photographer if the areal ratio of the defective pixels exceeds a predetermined value.

Abstract: A shelf support system is provided for supporting one or more shelves at selected elevations on a vertical surface. The system includes at least one standard having a rear wall, a first mounting wall extending from the rear wall, and a second mounting wall extending from the rear wall. The first and second mounting walls define between them a channel open to the front of the standard. At least one of the first and second walls defines notches which are not visible from the front of the standard, and the notches are adapted to receive a retention member on a bracket or shelf support which can be disposed within the channel of the standard. The shelf support can be tilted to an orientation that permits it be moved up or down within the standard to a different position, or to be removed from the standard altogether, or to be reinserted into the standard.

Abstract: A supporting mount mounts a device to a post and is removably fixed to the post without being fastened thereto by any penetrating fastener. A front panel is at the front post face and has the device fixed thereto. A pair of opposing side panels are at respective side post faces. Each side panel has a lower lateral edge connecting to the front panel and an opposing upper lateral edge. A connecting element at the back post face interconnects the upper lateral edges of the side panels. A top edge of the front panel is vertically lower than a top portion of the connecting element. The mount pivots into frictional contact with the back post face at the top portion of the connecting element and with the front post face at a bottom portion of the front panel.

Abstract: A shackle for supporting a platform support on an upright comprising a first side member and a second side member, an inner load bearing jaw and an outer load bearing jaw mounted on the first and second side members with the inner load bearing jaw for engaging a first surface of the upright and the outer load bearing jaw for engaging a second surface of the upright, and a locking jaw mounted on the side members and movable between an upright engaging condition to prevent the lowering of the shackle on the upright and an upright non-engaging condition to allow for the lowering of the shackle on the upright.

Abstract: A clamp for mounting an angle bracket on a tubular upright having a side member, an outer jaw and an inner jaw coupled to the side member, and coupling means permitting the side member to pivot relative to the angle bracket about a fixed or non-fixed pivot axis. The inner and outer jaws preferably feature contact surfaces that are portions of circular, cylindrical outer surfaces, but in any case are shaped to contact the cylindrical outer surface of the upright. The clamp is attached to the angle bracket and the jaws are pivotally mounted in the clamp so that the jaws have the necessary number of degrees of freedom with respect to the side member to permit them to contact the upright on extended areas.

Abstract: A framing bracket is provided. The framing bracket includes a frame having a leg extending from a support arm. The framing bracket also includes a locking bracket attached to one end of the frame and an anchoring bracket attached to a second end of the frame. The locking bracket is affixed to the frame at a non-normal angle relative to a longitudinal axis extending through the leg such that the locking bracket is locked to a framing member of a building and the anchoring bracket supports the second end of the leg against the framing member when the framing bracket is removably attached to the framing member and the framing bracket is in a locked position.

Abstract: A shackle for supporting a platform support on an upright comprising a first side member and a second side member, an inner load bearing jaw and an outer load bearing jaw mounted on the first and second side members with the inner load bearing jaw for engaging a first surface of the upright and the outer load bearing jaw for engaging a second surface of the upright, and a locking jaw mounted on the side members and movable between an upright engaging condition to prevent the lowering of the shackle on the upright and an upright non-engaging condition to allow for the lowering of the shackle on the upright.

Abstract: The invention relates to a lowering device (10) for the construction industry, which comprises a support structure. The lowering device comprises a plate (17) holding a locking mechanism (16) and blocking or releasing the mobility of bolts (12, 13). The bolts (12, 13) are firmly linked with a support structure and are fastened on the locking mechanism (16) in a controlled manner to such an extent that, in a first position, the support structure linked with the lowering device (10) is lifted and, in a second position of the locking mechanism, the support structure linked therewith is lowered as much as the locking mechanism permits.

Abstract: A bracket for securing a shelf to a frame includes a body portion having an opening to receive a first segment of a U-shaped shelf support member and a body channel on a surface to receive a second segment of the U-shaped shelf support member. The bracket can be used in a shelving system having a shelf mounted between a left and a right frame each having one or more mounting holes along a vertical length to receive the bracket. When the bracket is mounted to the frame, the opening and the channel are aligned substantially parallel to a vertical axis of the frame.

Abstract: A support device is disclosed for supporting an article. The device has a shank having a first and a second end. The first end may be driven into a member for securing the shank therein. A first and a second support member outwardly extend from the shank. The first and the second support member support the article when attached to or suspended from at least one of the first and the second support member.

Abstract: A bracket positioning structure for a slide includes a bracket having an end plate at one end and a fastening seat close to the end plate. The fastening seat is pivotally connected with a connecting element. The connecting element comprises an arm having at least one tooth and an end piece urged by an elastic element to swing to an angle and to return to its original position. When studs on the end plate of the bracket are inserted into holes of a support, the arm of the connecting element swings to one side with the tooth sliding along the edge of the support. The tooth hooks the support and is secured thereat.

Abstract: A scaffold bracket apparatus removably attaches to a screen enclosure framework. A pair of scaffold brackets are attached to an aluminum frame for a screen enclosure for supporting a plurality of planks thereacross to support a person thereon. The scaffold bracket has a plank supporting arm having a pair of brace members which grip each side of a generally perpendicular frame member for attaching the plank supporting arm to the generally vertically extending frame member. A locking spline is removably attached to one of the brace members for engaging a groove in the vertically extending frame member to lock the scaffold bracket against slipping sideways.

Abstract: A base structure of a retainer comprising a pair of wall members 2 formed of a columnar body, which is vertically long, has a groove 4 formed in its longitudinal direction and has locking sections 5 formed in plural portions for locking a sliding member 3 at plural portions in the groove, and the sliding member 3 which is slidable in the groove of the wall member 2 and removably fitted to the locking section 5 through movable locking pieces 7.

Abstract: A bracket assembly includes an angle bracket having a horizontal leg and a vertical leg. A lower bracket arm and a lock are coupled to the angle bracket and cooperate to mount the angle bracket onto an upright. The lock includes a pair of side members pivotally coupled to the angle bracket by a fulcrum bar. The pair of side members include a first pair of openings for an outer jaw and a second pair of openings for an inner jaw, the second pair of openings being disposed, in the case of a load activated lock, beneath the plane defined by the fulcrum bar and the first pair of openings. In one embodiment, inner jaw comprises a contact surface which is flat. In another embodiment, the inner jaw comprises a contact surface which includes a plurality of rasps.

Abstract: An easy to use device that attaches to a beam for use as a step and allowing a user to stand on and attain elevation. A plank can be used in combination with the tool to form a shelf, scaffold or platform. The upper surface of the tool comprises tapered ribs located on the back edge of the upper surface. A vertical member and collar are attached to the tool. When the tool is placed on a beam and downward force is applied to the tool, the ribs engage a first side of the beam and the collar engages the opposite side of the beam, forming a lever. The user is free to stand on the tool for support and elevation.

Abstract: A storage system, having one or multiple shelves infinitely adjustable on an upright member. The upright member is a singular support structure with at least three parallel grooves running longitudinally below a front face of the vertical support, the grooves having a continuous sectional profile and each groove opening in the front face through a channel. The shelf or shelves are formed on a back side with at least three tongues integrally formed in the shelf and adjoining the back side through a neck portion. The tongues are insertable in the grooves while the neck portions occupy the channels. The neck portions are curved so that the tongues project upwards from the shelf upper surface at a slanting angle, such that the tongues are frictionally arrested in the grooves when the shelf is pivoted to bring the tongues to a tilted position in the grooves.

Abstract: A system for mounting a sign to a structure includes a pivoted cam-locking arrangement for retaining the sign in certain orientations relative to the structure, while allowing the sign to be rotated from one to another of those orientations.

Abstract: A storage system, having in combination one singular shelf or multiple shelves infinitely adjustable on an upright member. The upright member is a singular support structure with at least three parallel grooves running longitudinally below a front face of the vertical support, the grooves having a continuous sectional profile and each groove opening in the front face through a channel. The shelf or shelves (6) are formed on a back side with at least three tongues (7), the tongues being integrally formed in the shelf and adjoining the back side through a neck portion (8). The tongues are insertable in the grooves while the neck portions occupy the channels. The neck portions are curved so that the tongues project upwards from the shelf upper surface at a slanting angle, such that the tongues are frictionally arrested in the grooves when the shelf is pivoted to bring the tongues to a tilted position in the grooves.

Abstract: For stamping shelf supporting brackets of an overall L-shaped configuration from band material (13), the cutting lines are so arranged that one cut generates the upper edges (6) of two adjacent brackets rotated by 180° with respect to each other, and the subsequent cut generates the lower edges (14) of those two brackets which are contiguous to each other at this location. The cantilever portion (4) of each bracket has its free end provided with a hook portion (5) which projects from the upper edge (6) and in use serves for retaining the respective shelf. At the opposite end, the upper edge (6) of the cantilever portion (4) has a notch (7) which is shaped complementarily with respect to that part of the hook portion (5) which projects above the upper edge (6). In the stamping process, the size of waste clippings (15) is reduced by having the hook portion (5) of one bracket extend into the notch (7) of the adjacent bracket.

Abstract: A bracket assembly includes an angle bracket having a horizontal leg, a diagonal leg and a vertical leg. A lower bracket arm and a lock are coupled to the angle bracket and cooperate to mount the angle bracket onto an upright. The lock includes a pair of side members pivotally coupled to the angle bracket by a fulcrum bar. The pair of side members include a first pair of openings for an outer jaw and a second pair of openings, the second pair of openings being disposed, in the case of a load activated lock, beneath the plane defined by the fulcrum bar and the first pair of openings. The lock further includes an outer jaw disposed through the first pair of openings in the side members. The outer jaw is shaped in lateral cross-section to include an abutment surface and an engagement surface. In use, for an upright of standard thickness, the lock rotates so that the abutment surface of the inner or outer jaw frictionally contacts the upright to prevent downward movement of the bracket assembly.

Abstract: A bracket assembly includes an angle bracket which may be formed from a single-piece metal blank which can be shaped and bent to define in its load-bearing form a substantially triangular bracket having a horizontal leg and a diagonal leg as well as a vertical support which may be similar to the horizontal leg. Each of the legs have a pair of upstanding sidewalls which extend normally from an associated base to form a substantially U-shaped cross-section. The diagonal and horizontal legs are contiguous and are connected by a first bendable section to define a first acute corner, the vertical and diagonal legs are contiguous and are connected by a second bendable section to define a second acute corner and the vertical and horizontal legs are interconnected to define a third corner.

Abstract: A bracket assembly includes an angle bracket formed from a single-piece metal blank which can be shaped and bent to define in its load-bearing form a substantially triangular bracket having vertical, diagonal and horizontal legs. Each of the legs have a pair of upstanding sidewalls which extend normally from an associated base to form a substantially U-shaped cross-section. The vertical and diagonal legs are contiguous and are connected by a first bendable section to define a first acute corner, the diagonal and horizontal legs are contiguous and are connected by a second bendable section to define a second acute corner and the vertical and horizontal legs are interconnected to define a third corner. The bracket assembly further includes a lower bracket arm captured at the first corner by at least one surface irregularity and a bolt captured at the second corner by at least one surface irregularity as the angle bracket is formed into its load-bearing shape.

Abstract: A sign mounting system for adjustably mounting a sign such as a sheet or panel to an associated structure includes an elongated frame portion mountable to the sign and a mounting element for mounting the frame to the structure. The frame portion includes a central runner and side walls extending generally transversely from the runner. The side walls are spaced from one another and in conjunction with the runner define a track. The side walls each terminate in a lip spaced from the runner a first predetermined distance. The mounting element includes a cam having first and second sliding surfaces spaced from one another a distance substantially equal to the first predetermined distance, and first and second camming surfaces spaced from one another a distance greater than the first predetermined distance.

Abstract: A continuously adjustable surface mounting system for supporting objects in a range of positions with respect to a mounted surface. The system includes a surface mounted assembly and one or more support assemblies releasably secured at any point along a length of the surface mounted assembly. J-shaped bends formed in member(s) of the support assembly fit within T-shaped channels in the surface mounted assembly and react to cantilever force exerted upon the surface mounted assembly by binding within the T-shaped channels, thereby locking in place on the surface mounted assembly. Clips may be secured to the support assembly and tightened to prevent release of the support assembly from a force opposing the cantilevered force. A cantilevered member extending from the support assembly preferably supports a shelf on which objects may be placed. To adjust sag of the cantilevered member, tilt adjustment screws may be used to tilt the cantilevered member with respect to the remainder of the support assembly.

Abstract: A portable, self mounting shelf is made of a plurality of generally tubular legs and cross members. A first adjustable leg and second adjustable leg are held within the same horizontal plane by a center adjustable crossbar and a rear adjustable crossbar. A holding foot is affixed each to the first leg and the second leg at the end opposite the rear crossbar. Pivotal attachment are included capable of allowing rotation of the legs about the crossbars in a pivoting manner along the same horizontal plane.

Abstract: A hanger for holding light fixtures on a power track has a rubber block with appropriate size, shape, and material to create sufficient frictional force relative to a wall to prevent the hanger from sliding under the combined weight of the hanger and the fixture.

Abstract: A ladder caddy with a tray and handles for carrying tools, supplies or paint cans, which attaches to the side of a ladder by self-clamping action due to the weight of the caddy, but which releases when lifted by its carrying handles to move to another location.

Abstract: A post step gripping device, includes a flat planar platform for receiving the feet of a user, a horizontal support shaft attached by brackets and an intermediate support member to a first end of the platform, a pair of opposite arms pivotally attached to and slidably movable along the support shaft for attaching the device to a post, and a brace mounted to the bottom of the platform and a pair of angled plates attached to the pivotal connection of the arms to the support shaft for securing the platform in a substantially transverse position relative to the post. The brace, the angled plates and the arms operate in conjunction with the weight of the platform and/or the weight of the user standing on the platform to secure the device to the post. The device may also include a step member pivotally attached to an opposite second end of the platform and having a substantially U-shaped bar for receiving a foot of the user.

Abstract: The brace includes an elongated and generally horizontal arm to which is joined a vertical bar. The bar is adapted to be inserted into and wedged in a channel in a window side jamb and, when so inserted, holds the arm in a generally horizontal position. When a window sash is tilted downwardly and inwardly for washing, the brace supports the sash and prevents the sash from swinging beyond the wash position.

Abstract: The present invention includes a scaffold bracket which is removably attachable to an elongated member such as the stud of a building under construction. The scaffold bracket includes a support structure having a support arm, and first and second grippers attached to the support structure. The first and second grippers engage the front and back surfaces of the elongated member, respectively. When the bracket is mounted to the elongated member, the support arm extends substantially horizontally. In this mounted position, a downward force on the support arm causes the first and second grippers to exert a gripping force on the elongated member. The invention also includes a scaffolding system employing such a scaffold bracket.

Abstract: A shiftable bracket which has a body portion essentially tubular in length but significantly higher than it is wide and considerably longer than it is wide which has a central locking plate assembly is disclosed. The central locking plate assembly, in turn, has a locking flange at its remote end and a centrally oriented bore for receiving a lock plate assembly pin. A pair of lock plates are employed which are essentially the mirror image each of the other, and which have locking flanges at the remote ends for being positioned inside of a mast. Because they are in a pair, one can be inserted inside the mast slot, then the other one inserted, and thereafter the body of the shiftable bracket moved into position in alignment with the bores in the lock plate assembly, and thereafter the lock plate assembly pin pass through the two side plate portions of the body and pivotally engage the lock plate assemblies in place.

Abstract: A track mounting system for mounting electronic devices is described. The mounting system includes a mounting plate having a pair of tracks extending forwardly and a pair of mounting brackets to which a device is attached. The mounting brackets include sidewardly extending mounting fingers which engage inner surfaces of the tracks to lock the brackets to the tracks by forcing edges of the mounting fingers to "bite" into the inner surfaces of the tracks. The edges of the mounting fingers are biased into the inner surfaces of the tracks by force from a tensioning arm which is flexed as the device is rotated into its mounting position. The device and brackets are retained in their alignment orientation by retaining tabs which engage the tracks. To ease alignment of the mounting brackets to the tracks, a guide extension extends from the mounting brackets and is curved sidewardly to guide the brackets into their alignment position as a device is rotated into its mounting position.

Abstract: A device for the supportive positioning of objects at different elevations along a vertical post includes a shelf member disposed upon a support arm pivotably secured to a mounting base. Post-engaging brackets are associated with the mounting base, and interact with an adjustable stop protrusion on the support arm to grip an intervening fencepost when the support arm is swung to its lowermost position.

Abstract: A standard and bracket support system is provided. The standard portion includes an elongated standard having opposed front and back walls. One or more brackets are coupled to the standard. An engagement member for engaging a shelf or other supportive item is coupled to the bracket. The shelf-engagement member includes a slot which receives a portion of a bracket. The shelf-engagement member is coupled to a shelf or other supported item. In one embodiment, engagement is by screwing, nailing or adhering a flat portion of the shelf-engagement member to the portion of the shelf, preferably a rear edge or bottom surface of a shelf. In another embodiment, the shelf-engagement member is an elongated member with a channel for receiving an edge of a shelf or other supported item.

Abstract: A standard and bracket support system having continuous adjustability to an infinite number of bracket positions is provided. The standard portion includes an elongated standard having opposed front and back walls with a slot through the front wall. The bracket has a heel portion coupled to a transverse plate. The plate has a length larger than the front-to-back interior depth of the standard. The bracket can be tilted upward, positioning the plate at an angle in the interior of the standard to permit free movement along the length of the standard, with the bracket arm extending through the slot. When the desired position is reached, the bracket is pivoted towards a locked configuration. The excess length of the plate causes elastic deformation of the standard walls. The plate moves from an upward angle configuration through a horizontal configuration, causing maximum standard deformation and to a downward angle configuration determined by a stop device such as the heel bottom of the bracket.

Abstract: A scaffolding system that is based on metal clamps that can be used with on-site lumber to provide an elevated walkway. The scaffolding does not hang from the wall against which it is positioned, permitting such wall to subside during construction, as when it is filled with concrete.

Abstract: Infinitely adjustable shelving including a vertically elongated standard having a vertically elongated outwardly facing slot therein, a U-shaped bracket positionably mounted on the standard and being horizontally elongated with the proximal end (nearer the standard) being equipped with upper and lower connection means which are arranged to provide a locking force on the standard in conjunction with an intermediate protuberance on the bracket.

Abstract: A pump jack scaffold includes a pair of extruded aluminum poles. Each pole has a rectangular cross-section. Wood is adhered to one side wall of each pole, providing a surface a jack mechanism can grip. Each of the other three side walls is extruded with a longitudinal structure, internal to the pole, which defines a lengthwise T-slot opening into the exterior of the associated sidewall. Bolts are insert into the T-slots to fasten braces, which can be used either to engage an adjacent building structure, to join the uprights to define a more unitary structure, or to render the scaffold self-supporting. Each pole is separable into upper and lower sections for transportation. The sections are joined by a resilient internal bridging member which is extruded of aluminum. It has an elongate central portion, webs extending radially from the central part, and a bracing portion terminating each web and engaging a corner of the pole.

Abstract: A bracket for supporting a length of lumber adjacent a vertical member such as a stud. The bracket has a central bar to which a pair of end bars are welded. The end bars extend in both directions away from the central bar. The central bar is then placed adjacent the face of a vertical stud and the end bars are sufficiently separated so that the bracket may be rotated a small amount. The bracket is then rotated and a length of lumber is then inserted between the upper and lower bars in a cantilevered member and held securely so that it may be worked on, such as cut to length, along the cantilevered ends. The process of using the bracket is also disclosed and a bracket having four end bars is also disclosed.

Abstract: A pump jack pole is comprised of an elongated metal tube of rectangular configuration and a resiliently yieldable elastomeric strip which is secured to one side of the tubing. The tubing is comprised of an aluminum extrustion whereon there is formed a plurality of longitudinally extending closely-spaced plarallel protrusions. The strip is formed with a plurality of similarly spaced longitudinally extending grooves of complementary configuration to the protrusions which are interdigitated with the grooves.

Abstract: A device for quickly, easily, and safely attaching to a vertical structural member to provide a step or support platform. Safety features incorporated in the structure of the device prevent accidental disengagement from the stud, and include a provision requiring the platform to be raised at least 30.degree. above the horizontal to allow the device to be disengaged from the stud, a flexible snap finger to prevent accidental rotation and a hook type structure to prevent lateral displacement.

Abstract: For cantilever mounting to and slidable positioning along upright channel members, there is disclosed retailing display brackets including a conventional display or hanger bar that is connected to a novel anchor-member. The anchor-member has triangular wings including a rearward prong and also leaf-spring which together normally bear against the channel rear-face and effect a cantilever mounting for the elongate bar. With such prongs and leaf-spring combination, specially contoured or perforate channel rear-faces are unnecessary. For slideable height adjustment of the anchor-member along the upright channel, the operator briefly maintains the elongate bar in an inclined condition which de-activates the wing prong and the leaf-spring during the height adjustment process.

Abstract: A support assembly in which a standard and a support bracket are provided with interengaging components for securing the support bracket in a selected vertical position relative to the standard. The standard has two opposed, spaced surfaces between which are received a pair of locking tabs projecting from one side of the support bracket. Each locking tab is generally rectangular in cross section and is angled to present a sharp horizontally extending corner. When these locking tabs are positioned between the faces of the standard, and the free end of the support bracket is tilted downwardly, the upper latching tab moves toward and bites into a pair of ribs projecting from one of the opposed surfaces while the lower latching tab moves in the opposite direction to bite into a pair of projecting ribs from the opposite surface. When this occurs, the support bracket is fixed relative to the standard.

Abstract: A vision saver for use with a computer monitor relieves eye strain, reduces focusing problems, minimizes eye convergence, reduces the number of eye and head movements by an operator using a computer keyboard with the computer monitor, and deflects any direct radiation coming out of the monitor. The vision saver comprise first and second reflecting surfaces and a supporting structure for supporting the reflecting surfaces in spaced relation in front of the computer monitor such that the first reflecting surface faces the screen of the monitor and the second reflecting surface, and the second reflecting surface faces the first reflecting surface and outwardly from the screen of the monitor whereby a person can visually observe the screen of the computer monitor by viewing the second reflecting surface which can advantageously be positioned closer to the computer keyboard than the screen of the monitor.