Abstract: A lock device includes a locking unit, a connecting unit, and a latch. The locking unit includes a shank, a rotation knob, a control wheel, a plurality of number wheels, a plurality of locating pieces, and a plurality of snap-fit members. The shank has a first positioning hole. The rotation knob has a second positioning hole combined with the first positioning hole of the shank by a positioning member. Thus, the user has to detach the positioning member from the first positioning hole of the shank to release the rotation knob so as to rotate the rotation knob for changing the code of the number wheels, thereby preventing the user from changing the code of the number wheels freely when rotating the rotation knob unintentionally.

Abstract: A lock structure including an activation device, a combination lock, and a setting device is provided. The combination lock has a plurality of dials, a shaft passing through the dials, and a plurality of first gears disposed on one side of each dial. Each first gear further includes a missing tooth. One end of the shaft is connected to the activation device. The setting device has a plurality of second gears corresponding to the first gears and a setting shaft, wherein one end of the setting shaft passes through the second gears and the other end is connected to the activation device. When the activation device is activated, the second gears are driven to rotate the first gears, so that when each second gear runs free with the missing tooth of each first gear, the dials are in a predetermined position. That is, by means of the activation device and the setting device, the dials of the combination lock can automatically return to the predetermined position after opening or closing the lock.

Abstract: A tamper-resistant pill bottle for securely storing a quantity of medication. The pill bottle includes a receptacle, a cap for fitting over the receptacle, and a combination lock integral with the cap for releasably locking the cap to the receptacle. The combination lock includes a series of combination wheels that partially protrude through a sidewall of the cap and can be rotatably manipulated by a user. The combination for the combination lock can be set by a user upon receipt of the pill bottle. The pill bottle further includes an inconspicuous defeat mechanism integral with the cap for allowing the pill bottle to be opened, preferably by a pharmacist, if a user forgets the combination of the combination lock.

Abstract: A door lock device includes a fixing rack, an operation rack, a solenoid device, an engaging member, and a locking pin. The fixing rack is installed in a receptacle and has a hinge shaft. The operation rack is coupled with the hinge shaft. The solenoid device is installed in the receptacle and has a rod. The engaging member is assembled to the rod and ascends or descends in response to the operation of the solenoid device. The locking pin is installed in the operation rack and performs a locking or unlocking function to the door.

Abstract: A motorized oven latch includes a base plate. A latch member is slidably connected to the base plate by a first mounting stud or first and second mounting studs connected to the latch member and located in a contoured slot defined in the base plate. The latch member includes an inner end and an outer end, and the outer end includes a hook adapted to engage an oven door. A motor is drivingly coupled to the latch member, and the motor is selectively operative to move the latch member forward and rearward relative to said base plate between a locked position and an unlocked position, wherein the latch member moves on a non-linear path relative to the base plate in response to movement of the first mounting stud or both the first and second mounting studs in the contoured slot when the motor moves the latch member forward to the unlocked position or rearward to the locked position.

Abstract: A combination resetting member for a cable lock mainly contains a stationary piece and a movable piece. The movable piece is concentrically positioned inside the stationary piece and two diametrically opposing pins penetrates through the stationary piece, two grooves of the movable piece, and into two corresponding holes on the tip of a column of a female lock member. The movable piece has two diametrically opposing flanges on the front surface and two diametrically opposing blocks on the back surface. The flanges and the blocks are orthogonal to each other. Corresponding to each of the blocks but on the front surface, there are a shallower U-shaped groove and a deeper U-shaped groove. The movable piece can be forced to move orthogonally to the pins and the pins therefore could shift from the shallower grooves to the deeper grooves and vice versa.

Abstract: A combination locking tube comprising a base end cap connected to a base tube having a longitudinal channel and at least one notch contiguous with the channel, at least one locking ring having a longitudinal ring channel, a notch contiguous with the ring channel and an interlocking pin, each locking ring rotatably mounted on the base tube such that the locking ring's notch is positioned over a base tube notch, at least one indicia ring rotatably mounted on a locking ring having a plurality of characters and a plurality of teeth on its outer and inner surfaces, respectively, at least one static ring statically mounted to the base tube having an interlocking pin receptacle and an annular recess, an inner tube having an end cap and at least one pin received within the base tube.

Abstract: A combination lock includes a lock body, having a hollow spindle laterally protruding outwardly, a locking bolt having a plurality of projections formed on the bolt insertably into the hollow spindle adapted for locking the lock, a plurality of dials normally coupled with sleeves rotatably mounted in the lock body having a plurality of annular corrugated teeth formed on an inner ring of each sleeve retarding the withdrawal of the projections of the bolt to prevent a trial opening by touch feeling by an intruder when rotating the dials in order to find out an opening slot formed in the sleeves for withdrawing the locking bolt, a plurality of positioner plates slidably held on the spindle for rotatably clickingly engageable with the sleeves for helping sensing a subsequent dialing operation from numeral to numeral; and a combination-changing plate pre-inserted in the locking bolt for pushing the sleeves inwardly to disengage their coupling with the dials for free rotation of dials for re-setting a new combinati

Abstract: A combination lock has a locking bolt movable in bolt-opening and bolt-closing directions by a bolt-operating knob; a plurality of displaceable locking bars each having a predetermined position dependent upon a set combination; an arrangement for preventing the locking bolt from movement from a fully-closed position unless each locking bar is in its predetermined position; a plurality of displaceable code bars connected to the locking bars; a plurality of displaceable digit slides each having an externally accessible, manually engageable portion, a plurality of digit markings and a lug operatively engaging into the associated code bar; a movable carrier plate traversed by the lugs of the digit slides, whereby the locking bars, the code bars and the digit slides are displaced by the carrier plate during a motion thereof in a direction opposite the direction of movement of the locking bolt during opening.

Abstract: A combination padlock of the type in which code wheels are mounted on a shaft in the housing and a bushing is associated with each code wheel, the padlock combination being changed by relative rotation between the code wheels and the bushings, in which the shaft is axially fixed in relation to the housing, and the bushings are movable axially on the shaft to release the code wheels to enable the combination to be changed, the bushings being moved by manipulation of the shackle when the shackle is in the open position.

Abstract: A combination lock for personal luggage such as a suitcase or briefcase comprising a pivotably mounted latch member capable, when in a latched condition, of securing a cooperating tongue member and a bolt for locking the latch member in its latched position, the bolt being spring biassed to a release position and so moved to the release position when projections from the bolt can engage in respective recesses in cams, which cams are each individually rotatable by and with a respective one of a plurality of wheels manually indexable around and bearing visible markings. The cams are normally interlocked for rotation each with its respective wheel but the interlocking can be released to enable the combination of the lock to be changed.

Abstract: An amusement device consists of a box-like structure having a transparent lid which may be opened through the proper positioning of a plurality of tumblers contained on an exterior face of the structure. The transparent lid is of a spring biased construction to facilitate its opening once the proper combination on the tumblers has been set, and a troll-like figurine is releaseable from an interior portion of the structure upon an opening of the lid. If desired, the troll may be provided with an award deliverable to the bearer. Further, the combination required to open the structure is changeable through the use of selectively positionable gears associated with the tumblers.

Abstract: A latching device for apertured members, such as the sliders of a double-slider zipper employed as a closure on a luggage case, has a latch pivotally mounted on a body member and an upstanding stud which is adapted to be covered by the latch when in latched position. The latching device employs a latching mechanism which is operated by the movement of the pivoted latch without the necessity of manipulating a secondary, manual actuator, thereby permitting the latching device to be operated with one hand. The device includes a pair of plungers slideably disposed within a housing, the plungers having end portions extending beyond the housing which are shaped for cooperation with cams attached to the underside of the latch. The plungers are driven into the housing by the cams when the latch is lowered or raised. When the latch is open, the plungers are held partially driven into the housing, thereby reducing the downward force necessary to close the latch.

Abstract: A dial and sleeve type combination lock is provided with a shift member to move the sleeves out of coupling engagement with the dials for changing the combination of the lock. The shift member includes a manual actuator extending through an opening in the face plate of the lock which opening extends transversely to the axis of the sleeves and movement of the actuator in the opening in the transverse direction effects axial movement of the sleeves by means of an oblique camming surface on the shift member.

Abstract: A dial and sleeve type combination lock is provided with a shift mechanism for moving the sleeves out of coupling engagement with the dials for changing the combination of the lock. The shift mechanism includes a rotary actuator mounted coaxially with the sleeves and having a portion of its periphery extending through an opening in the face plate of the lock. When the lock is on combination, the actuator can be rotated to move the sleeves out of coupling engagement with the respective dials by a camming action.

Abstract: A fluid-actuated locking device for the doors of dwellings or offices or for armored doors having a plurality of tubes for the flow of a fluid supplied from a reservoir, which fluid may either be pressurized to operate a lock or may flow back through the tubes after the release of the pressure so as to allow the locking of the door; a presettable combination is provided to predetermine whether fluid will flow through the tubes thus allowing operation of the lock to unlock the door, numbers or letters being provided and usable in the presettable combination; the fluid is subjected to pressure by a pump to effect withdrawal of pistons from the locking once the preset combination has been set to the preselected combination; the fluid is fed to the lock by a valved manifold which also controls the back flow of the fluid from the lock to the reservoir and works in association with the presettable combination to unlock or lock the door; and locking of the door is accomplished by the action of springs in the lock an

Abstract: A dial and sleeve type combination lock is provided with a shift member to move the sleeves out of coupling engagement with the dials for changing the combination of the lock. The shift member is operated by depressing a manual actuator portion thereof in an opening in the lock casing and the shift member includes a cam surface which moves the sleeves out of coupling engagement with the dials responsive to depression of the manual actuator portion by reaction of the shift member with an internal surface of the lock casing.

Abstract: A dial and sleeve type combination lock is provided with a shift member to move the sleeves out of coupling engagement with the dials for changing the combination of the lock. The shift member includes a manual actuator portion extending through an opening in the face plate of the lock. Axial movement of the sleeves out of coupling engagement with the respective dials is effected through a camming action by moving the manual actuator portion in the opening axially in the opposite direction to the direction of movement of the sleeves.

Abstract: Coded lock for blood transfusion bags of the type having a locking flap. A pin extends through the locking flap of the bag. A numerically coded lock locks the pin through the flaps. A numerical code is set into the lock. The numerical code is attached to the patient's wrist. At the patient's location the nurse reads the code attached to the patient's wrist and opens the bag.

Abstract: A dial type combination lock having a plurality of individual locking units each of which consists of a locking means and a dial means. The locking means has a pair of discs, one of which is a leading disc in which are a plurality of the holes at locations coinciding with the numbers displayed on the number carrying portion of the dial, and the other of which is the locking disc having a locking bolt receiving notch therein and a pin that is to be fit into one of the holes corresponding a designated number. The locking disc of each locking unit is connected with the leading disc thereof by the pin on the locking disc engaging in the hole in the leading disc corresponding with the designated number for the respective locking member and connecting shafts connect all the locking means to the dial means, so that during the operation of the lock, the locking bolt receiving notches in each of the locking discs are individually set in the bolt receiving position.