Abstract: A vehicle theft prevention system effectively secures the contents and/or occupants of a parked vehicle. The system includes protective cover plates for the vehicle windows and locks, with either or both sets of cover plates being remotely actuated by a central control system. The side window covers are mounted within the vehicle doors and/or rear side panels and move parallel to the adjacent glass window panes, with front and rear covers being retractable into the vehicle roof. A lift assembly extends and retract the coverings. The same motor may operate to move both the window coverings and adjacent glass window panes, or separate mechanisms may be provided. The keyhole shield or lock cover prevents an intruder from picking or breaking the locks of the vehicle. Electric motors extend and retract the lock cover plates between a lock concealing position and a lock access position.

Abstract: A vehicle theft prevention system effectively secures the contents and/or occupants of a parked vehicle. The system includes protective cover plates for the vehicle windows and locks, with either or both sets of cover plates being remotely actuated by a central control system. The side window covers are mounted within the vehicle doors and/or rear side panels and move parallel to the adjacent glass window panes, with front and rear covers being retractable into the vehicle roof. A lift assembly extends and retract the coverings. The same motor may operate to move both the window coverings and adjacent glass window panes, or separate mechanisms may be provided. The keyhole shield or lock cover prevents an intruder from picking or breaking the locks of the vehicle. Electric motors extend and retract the lock cover plates between a lock concealing position and a lock access position.

Abstract: The instant invention provides a pet litter box for a household pet such as a cat or a dog. The pet litter box may include a housing having several vertically spaced slots located in one face of the housing and several grooves located on an interior surface of the housing and associated with each slot. The housing may also have a top opening and a bottom opening. A first imperforate tray may be positioned within a bottom slot of the housing and covered with pet litter material. After the pet has used the litter box on several occasions, a perforated tray may be positioned within an upper groove of the housing. Further, a second imperforate tray may be positioned within the litter box above the perforated tray. The litter box may be inverted and shaken, so unused litter material separates from commingled pet waste and used litter material and passes through apertures in the perforated tray.

Abstract: A mechanism is disclosed for feeding tag stock having spaced-apart drive holes and comprises a pair of slidably mounted carrier arms beneath the tag stock each having a plurality of spring loaded pins on an end thereof. The pins of each carrier arm are alternately brought into engagement with the tag stock by means of a rotating cam which engages a follower on the carrier arm. A pin in each of the carrier arms will alternately engage a hole in the tag stock in registery therewith to sequentially advance the tag stock a desired increment of distance as the cam continues to rotate.

Abstract: A print wheel selection mechanism operates to sequentially enter into a plurality of print wheels digits to be printed by initially entering the highest order digit into the lowest order or right-most print wheel or vice versa. During the next sequence, the highest order digit is shifted to the print wheel next to the right-most wheel, and the next order digit is entered into the right-most wheel. In this manner, the foregoing sequences are repeated until the entire number is entered into the print wheels with the number being sequentially entered and shifted along the several print wheels. The mechanism includes a plurality of intermediate stop wheels interdigitally and rotatably mounted on a common shaft with the print wheels, the print wheels and the intermediate stop wheels being urged to rotate in a predetermined direction. The print wheels and the intermediate stop wheels are each provided with stops for limiting the rotation of the next succeeding wheel in an ascending order.

Abstract: A dental prophylaxis handpiece is provided with a supply conduit through which the prophylaxis material is supplied directly to the center of the rotatable flexible cup or applicator. An improved removable cartridge for the prophylaxis material provides ease in handling and maintaining the supply of material. The configuration and mounting of the cup prevent admission of abrasive material to the bearings. A high pressure fluid actuated control system makes possible a quick-shot or small slug supply of the prophylaxis material by operation of a remote foot operated control. All of the functions of motor control, material supply, water flushing and air drying may be performed by the dentist by actuation of a foot control unit or other suitable actuating device.

Abstract: A hand-held label marking device prints selected bar code character information on labels by scribing selected code bars upon one area of a moving label juxtaposed with a printing medium and prints corresponding alpha-numeric character information upon another area of the label by impacting the label and printing medium against selected print elements, thereby establishing a standard symbol, such as that currently prescribed in the United States by the Universal Product Code. Further alpha-numeric information is printed upon a further area of the label by a reciprocating printing mechanism in the same device to provide consumer-readable price information. A compact arrangement of component parts enables the printing of a full range of bar code character information in accordance with a compact symbol standard such as the zero-suppression symbol standard of the Universal Product Code, together with the corresponding alpha-numeric character information.

Abstract: A coaxial-lead, double-plug, glass-sealed semiconductor diode is provided with gold-germanium alloy contacts metallurgically bonded to Dumet alloy plugs.

Abstract: A dental prophylaxis handpiece is provided with a supply conduit through which the prophylaxis material is supplied directly to the center of the rotatable flexible cup or applicator. The configuration and mounting of the cup prevent admission of abrasive material to the bearings. A high pressure fluid actuated control system makes possible a quick-shot or small slug supply of the prophylaxis material by operation of a remote foot operated control. All of the functions of motor control, material supply, water flushing and air drying may be performed by the dentist by actuation of a foot control unit or other suitable actuating device.