Abstract: A sealing device for sealing a cavity (40) rotatable around a rotational axis (A) includes at least two sealing areas separated from each other by at least one intermediate zone (Z1 to Z3), two sealing faces (20, 21 to 24, 30, 31 to 33, 41, 71 to 74) continuously extending around the rotational axis and slidingly movable over each other upon rotation of the cavity (40), and at least one connection (A1 to A3, B1 to B3) for charging, discharging, or passing fluids into, out of, or through the at least one intermediate zone and which serves as a buffer zone for reducing or compensating the leakage.

Abstract: A hinge consists of a movable upper leaf, a lower leaf, a transmission and a pair of caps for anchoring a panel of a table or a storage rack or a merchandise shelf fastened to the hinge on an extending or folding position. The transmission connects the movable upper leaf and the lower leaf to make the movable upper leaf turnable. The transmission has a retaining mechanism to engage with the movable upper leaf to allow the panel and the upper leaf extending and anchoring within allowable angles, or to disengage with the upper leaf to move the panel to a folding position.

Abstract: A tubular latch is provided which includes a case, a bolt, a hub rotatably mounted within the latch case to receive a door handle shaft, a cam integral to an outer surface of the hub and having a driving surface wherein rotational movement of the hub causes the driving surface to rotate with the hub, and a slider member movable, by the cam, from a first axial position in the latch case wherein the slider member is in an extended position to a second axial position wherein the slider member is in a retracted position. The latch further includes a latch spring adjuster plate moveable axially within the latch case that is adjustable and securable to a desired axial position within the latch case, and a slider member spring for biasing the slider member away from the latch spring adjuster plate.

Abstract: A rotating seal assembly, comprising: a first member having a circular hole passing therethrough; a second member having a circular shape, the second member being positioned such that an annular gap is present between the first and second members; a contacting member spanning across the annular gap, the contacting member being mounted to one or the other of the first and second members; at least one support assembly disposed on one of the first or second members, the at least one support assembly being mounted to the same member as the contacting member; and a sealing ring, wherein the support assembly holds the sealing ring against the contacting member, thereby pushing the contacting member against the opposite member to which the support assembly is attached.

Abstract: A remote-controlled door lock in the present invention has a case body provided with a battery base, a circuit board and a bolt-locking device therein. A bolt rod of the bolt-locking device can be actuated by the battery base and the circuit board under the control of a remote controller to extend out of a through hole of the case body to be inserted into and engaged with an engagement hole of a strike base installed in a door frame, thereby locking a door plate in a limited position. When the door plate is locked with the bolt rod still engaged with the engagement hole of the strike base, the door plate is unable to be completely unlocked only by a key without using the remote controller to actuate the bolt rod to be disengaged from the engagement hole of the strike base, thereby achieving a best effect of anti-theft.

Abstract: A device for temporarily disabling a doorknob attached to a hinged door. The device covers the doorknob with a rigid enclosure, preventing rotation of the doorknob to move the associated locking bolt. A retaining unit is mated with an extension from the rigid enclosure in a male-female relationship, simultaneously with fitting the retaining unit over the outer edge of the hinged door while ajar. Closure of the door into the associated doorjamb, with the enclosure over the doorknob, prevents parting movement between the enclosure and the retaining unit, providing a self-locking feature.

Abstract: A pivot hinge has a first stem provided with a first connection plate, an extension integrally formed with the first connection plate and provided with a slit so defined to divide the extension into a first half and a second half, multiple annular grooves defined in an outer periphery of the extension and a threaded hole defined in the first half. A second stem has a second connection plate and a hollow sleeve integrally formed with the second connection plate and an arcuate cutout defined in an outer periphery of the hollow sleeve. A screw is able to extend into the threaded hole from the arcuate cutout to abut an inner periphery of the second half of the extension to enlarge the diameter of the extension so as to increase the engagement tightness between the extension and the hollow sleeve.

Abstract: A lock for preventing one member from moving relative to another member has a housing securable to one member, and a plunger unit mounted in the housing. The plunger unit has a sleeve, a plunger slidably mounted in the sleeve, and a spring acting between the plunger and the sleeve to resiliently bias the plunger to a locking position in which a free end portion of the plunger projects from one end of the sleeve. The plunger also has a manually operable portion projecting from an opposite end of the sleeve. In the locking position, the free end portion of the plunger projects from the housing to extend into an aperture in the other member, when the housing is secured to the one member, and thereby prevent relative movement between the members. The plunger also has an unlocking position in which the free end portion thereof is withdrawn from the aperture in the other member by pulling the manually operable portion against the action of the spring.

Abstract: A door lock and latch assembly for securely locking a door to prevent a person from using a tool to spread the door away from the door frame. The door lock and latch assembly includes a lock and latch support assembly being adapted to mount to a door and including a rotatable shaft; and also includes a deadbolt lock assembly being mounted to the rotatable shaft and being adapted to be disposed in the door; and further includes a latch assembly including a lever being mounted to the rotatable shaft and also including a catch being adapted to mount to a structure adjacent to the door.

Abstract: A so-called super-lock condition of a door lock is achieved with a simple and compact construction. The door lock includes first and second lock/unlock mechanisms which establish the super-lock condition when assuming lock conditions respectively. The first and second lock/unlock mechanisms are actuated by an electric actuator mounted to the door lock. In a housing of the electric actuator, there are installed first and second electric motors and first and second operation levers.

Abstract: A rotary machine has a stationary component with circumferential grooves and a rotatable component, as well as annular packing or sealing ring segments movable toward and away from the rotating component. To prevent circumferential displacement of the lower side packing ring segments by gravity forces and enable the lowermost segment in the lower housing to be moved radially inwardly, the side segments of the lower housing are supported adjacent the casing midline in a manner preventing downward movement and enabling horizontal movement. In an exemplary embodiment, the lower side packing ring segment is elongated so as to extend above the horizontal joint of the housing and a key bar extends from a key bar groove in the housing to engage a corresponding groove in the segment. The key bar may be disposed to define a seal key for the horizontal joint.

Abstract: A coupling for coupling a component to a hanger including a first member and a second member. The coupling includes a first member and a second member. The first member includes a pair of extending portions and a pair of extending tabs. The second member includes a pair of circumferential openings and a pair of opposed notches. The openings and notches receive the extending portions and tabs. The component is supportable from the hanger and is substantially restricted from independent movement relative to the hanger when the first member is connected to the second member.

Abstract: A motor vehicle steering column lock includes a locking element that is movable reciprocally by a rotatable control element between a locked and an unlocked position. The control element extends around the locking element and includes two inner bevel surfaces and four terminal surfaces cooperating with two radial locking element projections that are arranged diametrically opposite to each other relative to the control element's axis of rotation. The projections each engage at their ends a bevel surface or one of its two terminal surfaces located in planes extending orthogonal to the control element's axis of rotation.

Abstract: The present invention relates to an electronic key (10) for an automotive vehicle, said key being of generally flat parallelepipedal shape and comprising: a housing (12) for an electronic card, said card being adapted to control electronically a locking/unlocking device onboard the vehicle and permitting the locking/unlocking of the openings of the vehicle, and an insert compartment (11) housing an emergency insert adapted to lock/unlock mechanically the openings of a vehicle in case of malfunction of the electronic card, said electronic key being characterized in that the insert (13) is constituted solely of a key blade and is provided with recesses (16) adapted to coact with retaining means (15) provided in the insert compartment to hold firmly the insert in the compartment no matter what its position.

Abstract: A backup ring is provided adjacent a seal apparatus for delivering a controlled space between two relatively moving parts. The backup ring provides protection against seal extrusion and failure, and can provide an auxiliary seal when needed. The backup ring includes either an arcuate surface that deforms under pressure, or a cantilever portion that deforms under pressure, or both.

Abstract: In a buckle, in which a housing of a female body and an inserting plate of a male body are engaged with each other and which is provided with a simple locking mechanism by using a key, the housing of the female body is provided with an engaging portion, while the inserting plate of the male body is provided with an engaged portion. Alternatively, the housing is provided with an engaged portion while the inserting plate is provided with an engaging portion. Therefore, the female body and the male body can be engaged with each other to be locked. When they are locked, a belt adjusting portion of the male body is concealed in the housing of the female body, so that a belt is difficult to be adjusted. Specifically, the belt can be never loosened but only adjustable in a direction of fastening. Thus, the buckle is provided with a convenient belt adjusting portion, which can not adjust a length of the belt when the female body and the male body are locked with each other.

Abstract: A seal assembly which, among other applications, may be used for sealing fluid leakage between a steam or combustion (gas) turbine rotor and a turbine stator body. The seal assembly includes elements having a plurality of spaced seal members with slots therebetween. Each seal member is angled between a fixed end and a free end thereof, and the free ends slidably engage the rotatable component. The elements may be juxtaposed such that seal members of each element block slots of another element. A method of inhibiting fluid flow and a method of fabricating the seal assembly are also disclosed.

Abstract: A remote-controlled door lock includes a lock shell provided inside with a battery base, a circuit board, a deadbolt and two electromagnetic valves. The deadbolt has a through hole connected sidewise to a slide slot with a smaller breadth than the diameter of the through hole. The two electromagnetic valves are respectively positioned on and under the door bolt. The two electromagnetic valves are controlled to operate by a remote controller and actuate the deadbolt to move to a limited position. The deadbolt cannot be unlocked with a key only before it is released by a remote controller, thus obtaining the best effect of anti-theft.

Abstract: A multi-link seal assembly having material that swells when exposed to fire is provided. The multi-link seal assembly includes a plurality of seal blocks. Each seal block is made of a material that swells when exposed to fire, wherein the material consists of 2.4 weight percent expandable graphite, 6.6 weight percent brominated diphenyl oxide, 2.0 weight percent antimony trioxide, 16.8 weight percent carbon black, and remaining material to bring the total weight percent to 100 weight percent. Further, each seal block expands when the temperature reaches 300 degrees Celsius and forms a hard, crust-like barrier when exposed to fire. Each of the seal blocks are arcuate in shape such that when joined together to form a seal belt and unjoined ends of the seal belt are configured to be joined together to form a continuous ring. The continuous ring is configured to be disposed about a pipe.

Abstract: An improved electronic lock requires a low power and consumes less electricity including an outer frame, an inner frame, a lock axle unit and a power unit. The outer frame is fastened to the outer side of a lock stile of a door. The outer frame has an outer handle, a keypad and a key way located on the exterior, and has the interior for housing the lock axle unit and the power unit to couple with the inner frame. The power unit includes a motor, a spring, a sleeve, a sliding plate and a retain plate. The power unit is coupled with a L-shaped lever to generate lever movements. Users may enter an electronic password to activate the motor to perform locking and unlocking function. The construction greatly reduces electric power: consumption of batteries, and lowers electric voltage, and increase the durability of the batteries.