Abstract: A pair of plates that are inserted into the disk drive of a computer. The plates are then locked together by the addition of a padlock or other locking means thus preventing disk drive use and removal of the plates. The plates and computer can be secured to a fixed object with an anti-theft means or cable system in combination with the padlock to prevent the computer from being stolen or removed from a fixed location.

Abstract: A latching holder for engaging an article comprises first and second co-acting members (1,2) which define a recess (8) for receiving an article. The members (1,2) are pivotally engaged together on one side of the recess (8). The first and second members have releasable co-acting cam means (11,29) on the opposite side of the recess, the cam means being operated to lock the first and second co-acting members together. A locking arm (20) is preferably used to operate the cam means. The holder has particular utility in holding the RF (radio frequency) aerial of a helicopter to the tail boom.

Abstract: A reinforced panel including a fiberglass reinforced plastic sheet and a framework having a plurality of interconnected beam members partially immersed within the plastic sheet. A plurality of woven straps soaked in plastic are pressed in perpendicular abutment with selected beam members with the ends of such straps being immersed within the plastic sheet. The plastic material, when completely solidified, bonds with the frame and the straps, thereby securing the frame to the sheet as a common structural unit. An alternative embodiment excludes the use of the straps and employs a cover bonded to the plastic sheet and the frame by plastics similar to that forming the plastic sheet.

Abstract: An insect or pest preventer for preventing crawling insects or pests from reaching plants, trees or attractant supporting structures such as plant tables, picnic tables, etc. A combination of -tactic, ultraviolet light and other barriers are positioned with respect to the path of travel of the insect.

Abstract: A locking mechanism is provided which is characterized by one or more blocking elements each consisting of two complementary semi-cylindrical parts (2),(3) snugly located in a correspondingly shaped aperture (4) defined between two relatively movable parts (5),(6) to be locked together, one of the semi-cylindrical parts (2),(3) being adapted to be operatively coupled to a key (8) to permit rotation of the two complementary semi-cylindrical parts (2),(3), whereby the two semi-cylindrical parts (2),(3) can be rotated between a position in which they prevent movement of the two lock parts (5),(6) and a position in which the two lock parts (5),(6) are relatively movable.

Abstract: A cover lock assembly for a process transmitter having threadably removable end caps and corrugated outer surfaces is provided for engaging the corrugated surfaces by way of a toothed cover lock which is removably affixed to the transmitter housing.

Abstract: Device for closing and coupling carryall cases having a shell and a counter-shell which are mutually hinged, the shell being provided with brackets for coupling to racks of a motorcycle. The device has a shaped plate fixed inside an accommodation seat defined within the shell. The shaped plate has first pivoting lugs for linkages which define a first pivoting axis for lever systems for coupling to the counter-shell and a second pivoting axis for a locking plate. The shaped plate has second pivoting lugs for a handle of the case, and the locking plate is provided with a lock and bolt mechanism for closing the device and with an opening for permitting uncoupling of the carryall case from a motorcycle. A snap-action release button connects the linkages to the first pivoting lugs and connects the handle to the second pivoting lugs. The handle has a cross-member which, in closed position, is interposed between the lever systems and the locking plate.

Abstract: A roof pipe entry hatch which includes side walls defining an opening, a cover hinged to one end of the side walls exteriorally of the opening, and a plurality of apertures presented by the side walls for receiving pipes from the exterior of the side walls into the opening, or handling pipes from the interior to the exterior of the building.

Abstract: An improved cylindrical lock comprising a housing, a lower pin seat mounted on the housing, a spindle, a plurality of springs, and plural sets of upper and lower pins. The spindle is constructed by a cylinder and an upper pin seat which is annular and circumferently provided with a plurality of holes. The upper portion of the upper pin seat is provided with an annular wall having a slit for accommodating the outward protruding wing of a key. The inner portion of the wall is provided with a plurality of semicircular grooves diametrically opposing the holes in the upper pin seat, so that one end of each semicircular groove communicates with the corresponding hole in order to form a longitudinal circular hole for receiving a set of springs and cylindrical pins and the other end of each semicircular groove is formed as a groove wall which can prevent the pins from being popped out. Thus, the cylindrical pins can only move between the semicircular grooves and the holes.

Abstract: A lock system has lock cylinders (5) in which the rotor (9) is lodged as usual in the cylinder housing, (11) as well as lock cylinders (6) in which the rotor (10) is rotated through 180.degree. about its longitudinal axis relative to the other rotors (9). The security keys for the lock system are flat keys and not turning keys and, in the event that these are priority keys, have two completely independent key codes. The invention also provides a further possibility for increasing the number of variations of the lock and thus for increasing its security.

Abstract: A key safe for hiding a key out-of-doors. The key safe is an article having a facade that resembles a nest of an insect. Preferably the nest resembles the nest of a stinging insect and more preferably the nest of a mud dauber wasp. This device is composed of a hinge and a facade defining an interior for storing a key. The key safe may be secured to a branch of a tree, a shrub, a building, fence, deck, dock, recreation vehicle etc., generally in places where an insect is likely to build such a nest.

Abstract: A lock structure for mounting between first and second supporting surfaces including a cup mounted on the first surface, a housing mounted on the cup, a rocker arm located within the housing and pivotally mounted on the cup, a keeper mounted on the second supporting surface, interengaging surfaces between the rocker arm and the keeper for effecting a locking relationship therebetween, a spring located between the housing and the rocker arm to bias the rocker arm in a locking position relative to the keeper, and an actuator shaft keyed to the rocker arm and rotatably mounted in the housing and having a curvilinear groove therein for receiving a mating key for pivoting the actuator shaft and the rocker arm keyed thereto out of locking engagement with the keeper.

Abstract: Apparatus for forming a barrier on a support surface to restrict movement of a baby walker. The apparatus includes at least one elongated barrier element positionable on the support surface which is rotatable when engaged by a baby walker wheel to bring the elongated barrier element into contact with the walker body and prevent further movement of the baby walker.

Abstract: A dental patient chair has an adjustable headrest on a headrest carrier. The headrest is pivotably hinged around a transverse first axis on a bracing member which, in turn, is adjustable in the longitudinal direction in the backrest. In addition, the headrest is connected by a linkage which is pivotably connected on a second axis offset from the first axis so that movement of the linkage causes tilting of the headrest. The linkage is shifted as the headrest carrier is extended and contracted.

Abstract: A shackleless padlock system is provided which includes a lock mechanism having a cylindrical body both protruding from one end thereof with a key-operating locking pin which retractably protrudes from the lock mechanism from a first to a second position for selectively engaging portions of a padlock body in order to either provide bolt engagement with the pad-lock body or for guiding a lock mechanism within the padlock body. Access to the locking pin in order that the lock mechanism may easily be removed and replaced with a different lock mechanism.

Abstract: A headrest mechanism suitable for use in a seating unit comprising a headrest plate movable between a retracted position and an extended position having a lower front edge, means for actuating the headrest plate between the retracted position and the extended position pivotally interconnected to the headrest plate, and means for fixedly mounting the headrest mechanism onto the seating unit pivotally connected to the actuating means is disclosed. In the retracted position, the headrest plate is disposed generally horizontally, with the lower front edge being separated from a fixed point on the mounting means by a first distance, and in the extended position, the headrest plate is disposed generally vertically, with the lower edge being separated from the same fixed point on the mounting means by a second distance, the second distance being substantially greater than the first distance.

Abstract: A code lock device comprising an actuator responding to a release operation and a locking operation, and an actuation which performs reciprocating motion and normal and reverse rotation. A plurality of dials for setting a release code series and a plurality of drive plates each of which responds to each dial and integrally rotates with each actuation shaft are provided on the actuation shaft, and a dial enforced reset mechanism is equipped between each drive plate and each corresponding dial. This dial enforced reset mechanism makes each drive plate and each corresponding dial engage each other by an engaging means in response to reciprocating motion and normal and reverse rotation of the actuation shaft in the case of the release operation or the locking operation, and makes each dial forcibly rotate to break the release code series in response to rotation of the actuation shaft.

Abstract: An opposing passenger-infant seat system for public transportation such as aircraft is disclosed, wherein an infant seat is near a passenger seat. The passenger seat is suitable for receiving an adult. The infant seat and the adult seat are arranged to be essentially facing each other. The infant seat is attached typically to an aircraft cabin partition by an adapter and is installed in a plane above the seat cushion of the adult seat. A space is provided between the infant seat and the adult seat which is smaller than the average length of a human arm.

Abstract: A locking device is provided for a vehicle having a spare tire hoist system for storage of the spare tire. The locking device includes a tubular member having a first end adapted to mateably engage an actuator tube on the hoist, and a second end. The second end includes a press-fit pin or extendable pin that engages the bumper to prevent the tubular member from being removed, and further includes a lock that prevents the tubular member from being rotated without removing the lock. The second end also includes a partially flattened section that can be engaged by a wedge-shaped end of a vehicle lug wrench.

Abstract: An extruded vinyl moulding strip for replacing the window in an automobile is provided. The strip has an "f" shaped cross section having an upper finger and a smaller finger located near the middle of the "f." The lower portion of the "F" has a foam strip adhesively adhered to the moulding strip. The foam strip allows air to contact the interior surface of a urethane bead placed on the lower portion of the "f" in order to allow the urethane to cure properly. The smaller finger operates as a guide to window replacement vis a vis the pinch weld of the window frame.