Abstract: A stud finder for a light generating device, having a surface and a connection structure on the surface to removably mount either a light generating device or a leveling device thereto.

Abstract: A picture hanging device has a body, at least one marking element extending from one side of the body for marking a wall and the like, the body having at least one flexible portion which is of one piece with a remaining portion of the body, the marking element being arranged on the at least one flexible portion so that by displacing the at least flexible portion relative to the remaining portion of the body, the marking element can be displaced transversely to the body for marking purposes.

Abstract: A wall fastener locating and marking tool including a generally elongate vertical member having an upper end, a lower end; a generally elongate horizontal bar attached to the upper end of the vertical member and substantially normal to the vertical member; a handle portion, and a marking tool assembly releasably connected to the vertical member and vertically slidable along the vertical. The marking tool assembly has a marking tool tip protected by a depressible collar and includes retention means for bearing an object by its wall fastener hardware during the locating, marking, and installation of the object.

Abstract: A marking device of the present invention includes a resilient member to shield a marking member and enable an article with the device to traverse a surface without leaving a mark. The marking member is fixed to the device base and may have an adjustable height. The device may further include an indicator to provide a visual, audible or other type of signal indicating successful completion of marking. Further, the marking device may be slidably attached to measurement instruments to mark locations corresponding to desired measurements. In operation, the article or instrument with marking devices secured thereto is positioned at a desired location relative to the surface. Pressure is applied to the article or instrument, where marking members of the devices protrude through corresponding resilient members to produce marks on the surface. A level device with an adhesive base may be removably secured to an article for proper article orientation.

Abstract: A marker for marking the location for drilling holes to pass the line of bolts in a plate to be secured to the slab of a building. The marker includes a rotatable gauge having a plurality of different sizes of notches each to nest a different diameter of bolt to locate the center of the bolt a predetermined distance from approximately the center of the plate. The user positions the marker against the bolt and atop the plate and imparts a force to cause a tip to impart a mark on the plate for the location for a hole to pass the bolt. The gauge may also be used to obtain the size of the bolt and hence the hole required to closely pass the bolt.

Abstract: A locator for hanging picture frames employs an arm which has a handle dispose at one end. A suspension/marker assembly is carried at a second position of the arm. The suspension/marker assembly comprises a plunger which has a point and also mounts a head which receives a frame hanger. Embodiments are disclosed for both a single mount and for a single or a dual mount application.

Abstract: A device and method are provided for marking bolt holes in sill boards. The marking device includes a rectangular, substantially planar member having a first end and a second end. One or both ends are configured to receive an anchor bolt. A first punch is positioned a first distance between the ends of the marking device such that the punch is aligned with each end of the marking device. The punch is preferably connected to the planar member by a securing member such that the punch is perpendicular to a face of the planar member. The punch is preferably adjustable. Optionally, a second punch is connected to the planar member. One or both ends may include a tortured slot to receive anchor bolts having a number of diameters.

Abstract: A marking device for marking visual permanent markers on a surface and including a housing (2), a marking unit (19), a motorized drive (36, 18; 24) for displacing the marking unit relative to the housing (2), a detector device (21) for detecting a measurement signal and for generating a position signal upon deviation of the measurement signal from a marking signal, and a control circuit (27) for controlling the drive (36, 18; 24) and for actuating same in response to the position signal for displacing the marking unit (19) relative to a reference housing position into a corrected marking position.

Abstract: A marking device of the present invention includes a resilient member to shield a marking member and enable an article with the device to traverse a surface without leaving a mark. The marking member is fixed to the device base and may have an adjustable height. The device may further include an indicator to provide a visual, audible or other type of signal indicating successful completion of marking. Further, the marking device may be slidably attached to measurement instruments to mark locations corresponding to desired measurements. In operation, the article or instrument with marking devices secured thereto is positioned at a desired location relative to the surface. Pressure is applied to the article or instrument, where marking members of the devices protrude through corresponding resilient members to produce marks on the surface. A level device with an adhesive base may be removably secured to an article for proper article orientation.

Abstract: The present invention relates to a device for use in marking a point on a wall where a fastener should be installed in order to hang an object at a desired location on the wall. A device according to the invention includes an elongate frame having an elongate slot. The frame is adapted to be positioned adjacent to a back surface of the object to be hung. The device further includes a ledge projecting from the frame. The ledge is adapted to be positioned in contact with a top surface of the object. The device also includes a carriage that is supported by the frame. The carriage is adapted for reciprocating movement along the slot. The device further includes a pin that is carried by the carriage. The pin terminates on a first end in a stylus that extends in a direction away from the back surface of the object when the frame is positioned adjacent thereto. The device also includes a plurality of hooks that are carried by the carriage. The hooks are disposed at predetermined distances below the stylus.

Abstract: A firewood measuring and marking apparatus includes an elongated base member with a marker mounted generally vertically on one end. The marker has a downwardly projecting tip for marking a log when pressed against the log. The base member has an adjustable extension arm to permit various predetermined lengths to be marked on the log to be cut.

Abstract: The marking apparatus for marking a surface (9), especially to guide work performed on a ceiling or a wall of a building, includes a marking unit having a device for making a mark on the surface, such as a writing instrument or stylus combined with a light-sensitive device (4) for detecting a light beam (6), which can be a linear array of photo sensitive elements (16), and a frame (1) on which the marking device and the light-sensitive device are mounted; and a control circuit arranged in a housing (5) of the marking unit for operation of the writing tool to make a localized mark on the surface according to a signal from the light-sensitive device (4) when the light-sensitive device (4) detects the light beam (6).

Abstract: A solid marker for indicating a location to place a fastener for an object to be placed on a supporting surface. The marker, preferably made of chalk, includes a front containing at least one pointed tip for marking the supporting surface and a back, adhesive, surface for adhering the marker to the object to be mounted. The adhesive surface is covered by a release layer when the marker is not in use.

Abstract: A bolt hole marker for marking the location where a hole needs to be drilled in a foundation. The bolt hole marker includes an elongate angled base member having a first elongate portion having a slot in an end thereof with the slot being adapted to receive an anchor bolt, and further having a second elongate portion also having a slot in an end thereof with that slot being adapted to receive an anchor bolt. The second elongate portion is angled at approximately 30 degrees from the first elongate portion. A first punch member for making indentations in a sill member is disposed through the first elongate portion and is positioned approximately 3¼ inches from the slot of the first elongate portion. A second punch member for making indentations in a sill member is disposed through the second elongate portion and is positioned approximately 3¼ inches from the slot of the second elongate portion.

Abstract: A body (10) movably supports a holder (20) for movement in a vertical direction. A piezo actuator (40) is sandwiched between the body (10) and the holder (20). Vertical vibrations of the piezo actuator (40) are transmitted to a cutter (30) attached to a lower end portion of the holder (20), so that a scribe line is formed on a workpiece (100). The holder (20) is supported by a resilient member and a slide support portion (60) with the piezo actuator (40) placed therebetween. The resilient member includes a plate spring (61) and a ball (62) made of resilient material. The resilient member resiliently supports the holder (20) in the vibrating directions.

Abstract: A spirit level employs an elongated housing having a rectangular cross-sectional outline and provided with registering elongated slots in its front and rear walls. At least one follower of the level has a main portion slidably installed in the housing and one or two pointers outwardly adjacent the slot in the front wall. The two end pieces of the housing are provided with bubble tubes, and each follower has a passage for introduction of a stylus or another suitable marking tool which can be inserted at the front wall to extend outwardly through the slot in the rear wall of the housing.

Abstract: A marking device for a CNC machine tool or the like comprises a tubular body capped at either end with top and bottom plates. A main shaft extends down through the top plate along the central axis of the body, and is rotatably held in place by upper and lower bearings. A cylindrical cam having one or more cam lobes disposed on an underside thereof is attached to the main shaft within the body. A guide extends through the bottom plate and slidably supports a spring-biased stylus, an upper, anvil end of which normally tracks along the underside of the cam, and a lower, marking point end of which normally lies just within the guide. When the main shaft is rotated, e.g., by being operably connected to the machine tool's spindle, the cam also rotates, causing the cam lobes to strike the anvil and drive the stylus axially downwards through the guide and into a part or work piece. To create a complex pattern, the machine tool sets the spindle to rotate at a constant rate.

Abstract: A method and apparatus for marking places for installation of fasteners. An object to be mounted on a mounting surface has a receptacle on the back thereof for receiving a fastener. This receptacle has at least a portion thereof which is generally T-shaped in cross-section. The receptacle has a first pair of walls extending from the back, this first pair of walls are spaced apart by a first distance. A second pair of walls in the receptacle are spaced farther from the back than the first pair of walls and are a second distance apart, the second distance being greater than the first distance. The marking device, which is generally T-shaped, has a stem portion disposed along a first axis. The stem portion is narrower than the first distance of the receptacle and a head portion of the marking device is sized to fit in the receptacle between the second pair of walls of the receptacle.

Abstract: A sprinkler regulation marking template for facilitating marking of a structure to provide an indication of space which must be left unobstructed to permit proper functioning of sprinklers. The sprinkler regulation marking template includes a main member that has an abutment portion and an extension portion. The abutment portion has a straight edge designed for positioning against a ceiling proximate a sprinkler. The extension portion extends from the abutment portion and includes a plurality of holes. Each of the holes is positioned in spaced relationship to the straight edge such that each hole is positioned for facilitating placing a mark on a structure beneath the ceiling such that the mark is positioned an associated pre-determined distance away from the ceiling for providing a visual indication of a spraying area of the sprinkler for facilitating positioning of objects outside of the spraying area to prevent interference with functioning of the sprinkler.

Abstract: A solid marker for indicating a location to place a fastener for an object to be placed on a supporting surface. The marker, preferably made of chalk, includes a front containing at least one pointed tip for marking the supporting surface and a back, adhesive, surface for adhering the marker to the object to be mounted. The adhesive surface is covered by a release layer when the marker is not in use.

Abstract: The present invention concerns a plumb-bob device for vertical pointing operation with a beam-casting housing supported vertically by a plurality of legs via a gyroscope mechanism. The device has a reduced size, so that it can be handled quickly and conveniently on a construction cite. The legs are mounted for expansion and contraction in and around an upper end portion via the gyroscope mechanism on and around an upper end portion of the housing. The legs each have an inner surface complementary to the outer periphery of the housing. The device thus can assume a shape just like a long pencil when the legs are contracted. For vertical pointing operation, the housing is held vertically by the legs in an expanded state. The device can be used as an inverted plumb-bob device and also as a pointer by mounting a retaining member, which has a string, on lower end portions of the legs in the contracted state thereof.

Abstract: A picture hanging aid including generally rectangular mounting bracket that has a rear wall with a threaded opening therein, and a generally rectangular opening extending from a top wall to a bottom wall. A generally rectangular strip is provided and has an adhesive on a first side and a second side. The first side of the strip is adhered to the bottom wall of the mounting bracket. The second side of the strip is releasably coupled to a frame edge of a picture frame. Finally, an elongated L-shaped stem has an elongated member that is sized for adjustable placement within the rectangular opening of the mounting bracket when the mounting bracket is coupled with the picture frame. The elongated member is held within the rectangular opening by an adjustment screw positioned within the threaded opening of the mounting bracket.

Abstract: An article for aligning and establishing fastening points for attachment means, such as nails, pegs and hooks, for the arrangement and hanging of pictures and picture frames, as well as for marking fastening points at either selected horizontal or vertical distances from one another for wall plates and built-in units in building construction, is disclosed. The alignment article includes at least one bubble level mounted in a frame, with a cursor having a first borehole guided along the frame. The first borehole is guided along the frame, with such first borehole lying over a slit designed in the frame and running parallel to the longitudinal edges thereto, and with at least one, further, or second, borehole situated at one of the ends of the frame. The cursor is constructed for grabbing the frame in a C-shape.

Abstract: An apparatus for locating the hanging hardware of a picture on a wall, includes a rectanglar block having an inverted "V" shaped slot on a rear surface thereof for receiving a mounting wire or string. The block further includes a blunt protrusion located directly below the point of the "V" for marking a wall. A "U" shaped member connected by a spring to the block is provided for receiving the top portion of the frame.

Abstract: A laser marker control system includes a personal computer, a programmable logic control (PLC), a movable carrier table, an industrial man-machine interface and a laser device. The personal computer is linked to the PLC to control the laser device and is linked to the carrier table in a point-teaching operation. The PLC is provided for numeral calculation, signal input, status output and control of the carrier table, and provides signal, data and status exchange when linked to the man-machine interface. The carrier table is the carrier of the work piece, controlled by the PLC to change the position thereof. In the point-teaching operation, the carrier table is linked to the personal computer and the PLC. The man-machine interface is a touch-control monitor for status display and may indirectly control the carrier table when linked to the PLC. The laser device which generates and emits a laser beam for marking operation is connected to the PLC.

Abstract: An engraved recess (4) is formed in a resin stencil (1) at a position on a surface of the resin stencil where the resin stencil, when registered with a circuit board, agrees with a fiducial mark of the circuit board. The recess is formed by a laser (3) and serves as a fiducial mark.

Abstract: The present invention comprises a means of marking the placement of holes to be drilled within a foundational sill in a more accurate and time-effective manner. The apparatus includes a pre-measured sliding placement member which further comprises a slot cut to the precise width of a foundational sill to be positioned.

Abstract: The device comprises a pipe (1), in which a shaft (20) of a marking component (2) can be moved. The pipe (1) has a soil anchor (4) at the bottom. The component (2) has a head (21) at the top and can be lifted from a lowered position, in which the head (21) lies next to the top face (14) of the pipe (1) into the lifted position shown against the force of a spring (3). In the lifted position, the component (2) can be stopped by means of a bayonet lock. The device is inserted into the ground vertically at a measuring, e.g., on a soccer field, such that in the lowered position, the top (25) of the head (21) is flush with the ground surface. If the markings on the field need to be renewed, the corresponding components (2) are lifted and stopped. A cord is stretched between two components (2), along which cord a straight line can be marked, or a circle can be drawn with a cord around one of the components (2). The marking of the field can thus be rationalized and expensive re-measuring can be avoided.

Abstract: A picture hanger locating device for use with a picture having a hanging cord positioned on the rear thereof intended to be disposed over a hook or like member to be secured to a wall behind the desired location of the picture. A cord tensioning member is adapted to be removably positioned at a first end thereof over the upper peripheral edge of the picture and at a second end spaced from said first end in communication with the cord to move the same to the tensioned position the cord will assume when the cord is disposed over the hook member. A wall marking device is secured to the second end facing away from the rear of the picture and toward the wall to mark the wall at the location along the length of the cord where the hook member should be placed to engage the cord when the picture is hung on the wall.

Abstract: Apparatus (1) for applying marks to surfaces, such as walls and ceilings, particularly for use in home and building construction, includes a photoelectric detector device (21-25) for detecting bundled light signals from a light source, such as a laser, arranged at a distance from the surface to be marked. A signal-generating positioning aid (27-28) cooperates with the detector arrangement (21-25) for enabling a user of the apparatus to position it on the surface based on the detected light signals. In addition, the apparatus includes a marking device for applying a mark to the surface when the apparatus is correctly positioned.

Abstract: A marking plumb bob having a separable two-part body assembly defining a reservoir for containing dry marking material and containing a ball check valve mechanism produces a circular ring shaped marking pattern to indicate the set position of a plumb line relative to a reference surface. A biasing spring associated with the check valve mechanism moves within the reservoir to agitate the marking material contained therein each time the ball check valve mechanism operates.

Abstract: The invention is a device used to mark a point in connection with the installation of an indoor sprinkler system in a ceiling or wall such that the device is connected to installed sprinkler system piping and the telescopic pointer is extended to the necessary length to mark a point in the ceiling or wall where the sprinkler head should be installed or where connector piping should be installed.

Abstract: There is disclosed a plumb bob having a segmented bob body with an upper bob body segment which is attached to a flexible suspension cord and a removably attached lower bob body segment. The upper segment of the bob body has a marker mechanism which can be an internally contained marker that is resiliently biased within the upper segment by springs which permit the marker to project from the under surface of the body upon impact, registering a point on the lower surface. An alternative marker mechanism comprises a pair of crossed slots in the lower end surface of the upper segment which guide a marker for scribing lines which intersect at the transfer point. The upper segment of the bob body is secured on the transfer point by a central protuberance which permits the body to tilt, but not topple, resting at the transfer point.

Abstract: A chalk dot marker including a soft foamlike cylinder having a central hole and furthermore being impregnated throughout with marking substance such as powdered chalk. An end of the foamlike cylinder has an adhesive surface layer thereupon attaching to an existing assembly and an impermeable membrane disposed upon an opposing surface. The chalk dot marker is adhesively attached to an assembly which is to be affixed to a surface requiring drilled holes. The assembly is positioned upon the surface and force is applied wherein the force compresses the chalk dot marker thereby releasing marker materials which form a dot at the center thereof.

Abstract: A portable testing and recording system for detecting defective escalator rollers. The system incorporates a level sensitive detector which actuates an audible, visual and/or marking indicator to alert a repair person to properly identify a defective roller and/or related parts.

Abstract: A magnetic point identifier to be used in the construction of structures wherein a hole is to be formed at a specific point in a surface of the structure, the identifier including a small magnetic element to be disposed to correspond the specific point, and including an indicator frame with a metallic, magnetically attractive pointer suspended therein. The indicator frame includes a base portion, an upstanding support member extending upwardly from the base portion, and a horizontal suspension arm which extends outwardly from the upstanding support member so as to overly the base portion which has a tapered free distal end to enable positioning of the indicator frame within a corner.

Abstract: A measuring tool for measuring and marking a generally straight distance between opposing boundaries comprises an elongate shaft which is selectively extendable to span a range of distances. A measuring scale is formed in the shaft for indicating the length spanned by the shaft, and a cockable/releasable pointed tip is disposed on an extremity of the tool for making indentation markings on a surface to be marked. A screw and corresponding measuring scale for specifying a depth of penetration of the baluster into a handrail or stair tread for inclusion in the length indicated are also available in a preferred embodiment.

Abstract: A scan head includes an eddy current probe and a thermal print head. A sheet of thermal paper is mounted to the top of a laminated part being inspected and the scan head is moved across the surface of the part. A map of defect markings will appear on the thermal paper in a 1-to-1 relationship with the actual sub-surface defects. This greatly expedites the inspection process since the mapped defects are in spatial correspondence with the actual part.

Abstract: A gauge member arranged to include first and second planar side walls arranged in a parallel coextensive relationship having a first end wall spaced from a second end wall having a first step therebetween, a second step is positioned at an uppermost end of the second end wall parallel to the first step. The first step and second step are spaced apart a predetermined spacing, with a third end wall and a fourth end wall spaced from and parallel relative to one another at an opposed end of the body structure, the third and fourth steps are spaced apart a further spacing greater than the predetermined spacing, the first and second steps are arranged to position and engage overlapping siding plates, the third and fourth steps are also arranged to engage overlapping siding steps at a greater spacing relative to one another.

Abstract: A blind hole finder tool is provided which consists of a C-shaped spring member, with a pair of elongated arms, each extending from one side of the C-shaped spring member. A mechanism is on a distal end of the first arm for engaging with an original rivet hole in a top rail of a trailer. Another mechanism is on a distal end of the second arm, being in alignment with the engaging mechanism, for marking the hole location in new roof material after the new roof material is placed upon the top rail, so that the new roof material can be secured to the top rail at the original rivet hole.

Abstract: A plumb bob capable of marking either soft or hard surfaces is disclosed. A chalk reservoir can be attached to the bob for marking hard surfaces. Removing the chalk reservoir enables the user to insert a metal stake or headless nail into the bob, where it is held by magnetic force. Also disclosed is a slide hammer assembly that helps drive the stake into the surface. When the stake penetrates soft surfaces, its resistance to removal is greater than the magnetic force holding it in the bob and it remains as a plumb line mark when the bob is removed.

Abstract: A dowel centering kit includes a mounting block, wherein the mounting block includes a plurality of axially parallel first bores of ascending diameter from a first end to a second end of the mounting block, wherein the first bores are arranged to receive various sizes of dowel rods therewithin, wherein a dowel rod is positioned within a first bore and a spike member positioned within a second bore of the first bore, wherein the first bore is directed coaxially of the second bore through a bottom wall of the mounting block, wherein the first bores are directed from a top wall of the mounting block and the spike member includes a projection whereupon impact along a dowel rod effects imparting of a coaxially aligned recess within the dowel rod for its centering relative to various turning and working procedures.

Abstract: A device for marking a wall to indicate where to install an element, such as a nail, to mount an article, such as a picture, in a desired position on the wall. The device includes a rigid handle member interconnected by a pivoting assembly to the upper end of a rigid elongate suspension member. The lower end of the suspension member includes a wall-marking element, such as a sharpened pin, projecting perpendicularly from the rear side of the suspension member, and a catch engaging member directly aligned with the wall-marking element to engage, for example, a strand of wire located behind the picture. While the handle member is pivoted to a ready position out-of-line with the suspension member, the pivoting assembly maintains the rear side of the suspension member in vertically suspended position generally coplanar with the wall so that the pin is positioned properly for accurate marking. During marking a stabilizing mechanism immobilizes the upper portion of the picture.

Abstract: A picture position marking tool comprises an arm having an element for marking a position on a wall, as by penetration of the wall. The arm supports a picture either by a wire hanger or a strap hanger, so that the hanger is in substantially horizontal alignment with the wall marking element. A protrusion may be provided on the arm, located on the same side as the marking element, and spaced from it. A handle is provided which includes a grip portion which, in a preferred embodiment, is connected to the arm by a connecting portion, the connecting portion being at right angles to both the arm and the grip portion and providing a tool of generally U-shaped configuration. The handle portion may also be, in other embodiments, in other orientations relative to the connecting portion. In still other embodiments, the handle portion may extend directly to the arm, spaced from the marking element and forming an angle with the arm: the angle may be either a right angle, or an acute or obtuse angle.

Abstract: A bolt hole locating and drilling apparatus comprises an elongated generally rectangular bar having first and second ends, a first semi-circular notch in the first end, a second semi-circular notch in the second end, a through bore extending through the bar in a location intermediate the ends thereof for dividing the bar into a first arm of a first length of about three and one-half inches and a second arm of a second length of about five and one-half inches, a drill shaft rotatably journaled in the bore mounted for reciprocable movement therein.

Abstract: An anchor post or bolt marker including a base member which supports a reciprocating marking punch perpendicular thereto for marking anchor bolt positions when it is actuated.

Abstract: A device for marking the location of a hanger for an item to be hung. An elongated element is provided for receiving an item to be hung. The element has a plunger received thereon with a marker associated with the plunger. Depression of the plunger moves the marker from a non-marking position to a marking position which is opposite the point of support of the item whereby with the item located on the elongated element and held adjacent the wall where the item is to be hung, depression of the plunger will move the marker into contact with the wall to mark the point where a hanger should be installed to later support the item at the same location on the wall where it was held.

Abstract: A combined hole size gauge and oversized hole marker having either first and second sensing members (42, 44) or a single dimensionally graduated size sensing member (14) which when inserted into a hole (40) in a workpiece (38) allows the user to determine whether the hole is of at least minimum size and if it is of greater than maximum size. If the hole is oversized, a marker adjacent the oversized hole size sensing member (44) or the greater portion of the single dimensionally graduated size sensing member (18) is permitted to contact the workpiece (38) and leave an indication that the corresponding hole is oversized.

Abstract: A device for marking the location of panels, strips, or other decorative objects to the surface of an automobile or other object, comprising a short punch having a pointed tip extending from a short cylindrical body having an annular slot with or without an o-ring or similar material seated therein and a mounting clip having a planar receiving slot with a wide portion corresponding to the outer diameter of the cylindrical body of the punch leading to a narrowed portion corresponding to the diameter bounded by the annular slot whereby said punch is inserted in the wide portion of the clip and slid into the narrowed portion where its held securely. The clips are then inserted into the decorative panel and the panel held up to the abutting surface where force is then applied, thus, marking the surface to which the panel is to be applied.

Abstract: An automatic mask cutting/drawing apparatus for preparing a mask film and for forming both positioning holes and a desired image mask pattern or a drawing of a desired line image includes a table for supporting a film material thereon, a first carriage movable along the table surface in a first direction, a second carriage movable on the first carriage in a second direction, first and second moving elements for respectively moving the first and second carriages in their respective directions, a vertically movable drawing element on the second carriage for drawing a desired image pattern on the film material, and a vertically movable cutter element adjacent the drawing element for cutting the film material. Both the drawing element and the cutter element are selectively activatable to form the positioning holes, the image mask pattern, or the drawing as desired and in accordance with commands which are inputted to the apparatus.