Abstract: It is possible for a fastener lock apparatus to reverse the rotational direction of a handle (4) by simply pulling forward a locking shaft (3) against a resilient force exerted by a spring member (14), and then rotating both the locking shaft (3) and a rotation angle limiting disc (10) relative to a fixed base mount member (1) in a condition in which a rotation permitting shaft portion (18) of the locking shaft (3) is received in a central through-hole (13) of the rotation angle limiting disc 10, wherein the central through-hole (13) of the rotation angle limiting disc 10 assumes a rectangular shape in front view while the rotation permitting shaft portion (18) of the locking shaft (3) assumes a round shape in cross section so as to be capable of being received and rotating in the central through-hole (13) of the rotation angle limiting disc 10.

Abstract: In a bolt latch with a minimum number of parts, compact size, lightweight and operable by a snap action: socket 13 is fixable to stationary frame 1; latch body 3 has longitudinal groove 3a and circumferential groove 3b; latch body 3 is fixable to door 2, the groove 3b and is perpendicular to the groove 3a, communicates with and extends from a front end of the groove 3a; bolt 4 is in the latch body and is axially slidable and rotatable on its axis and engages with the socket 13 in locking operation; pin 5 is fixed to the bolt 4 and slidable slidably received in the grooves 3a, 3b; spring 6 linearly urges the bolt 4 to have its front end received in the latch body 3 and rotatably urges it to have the pin 5 received in the groove 3b; and seat 9 is fixed to the body 3 and butts against the pin 5 in an unlocking operation to prevent the bolt 4 from further moving rearward in the body 3.

Abstract: A holding assembly for holding movable members such as doors and the like in their closed positions comprises: a female element 1 fixed to one of a movable member 17 and a stationary member 18; and, a male element 11 fixed to the other thereof. The female element 1 has a slot 36, a right-side wall portion 2 and a left-side wall portion 3 in its central portion so that the walls portions 2, 3 sandwich the slot 36 therebetween. The right-side wall portion 2 and the left-side wall portion 3 are provided with a right hole 4 and a left hole respectively. The male element 11 is constructed of a latch-support frame 8, latches 12, 13 and a casing 19. The latches 12, 13 mounted in the latch-support frame 8 are slidably urged axially outward by a compression coil spring 14. The casing 19 is provided with through-holes 15 and 16 in its right-side and its left-side wall portion through which semispheric front-end portions 27 and 28 of the latches 12 and 13 project outward, respectively.

Abstract: There is provided a locking device for fastening a wing element where rotation of a rotor (13) effects smooth locking and unlocking of a wing element and also enables it to smoothly open and close free from interfering with a rocking arm (24); in operation rotation of the rotor (13) causes a slide cam (6) to move linearly rearward so that body (3) is rotated through a pivot (17) into an upright position, and a front-end pushing portion (18) of the arm (24) abuts on a support portion (20) of a stationary frame (19); rotor (13) is prevented from dropping out of the body (3) by ball bearings (15) rotatably mounted between annular grooves (14,9) of the body (3) and of the rotor (13); and a spring (25) rotatably biases the arm (24) to cause a base-end follower portion (23) of the arm (24) to abut on a rear-end surface of the slide cam (6).

Abstract: A latch assembly is provided. In the assembly: base-end portions of an operating lever 3 are connected to bearing-plate portions 2 of a base plate 1 through a first pivot 4; base-end portions of a latch arm 5 are connected to intermediate portions of the operating lever 3 through a second pivot 6; and extension-plate portions 12 of a lock plate 11, which are mounted in slots 13 of guide-plate portions 10 of the base plate 1 in insertion manner, are engaged with locking notches 21 of locking-plate portions 20 of a socket plate 19 fixed to the operating lever 3 and slidably urged by a compression coil spring 18 so as to be held in such engagement, whereby the operating lever 3 is locked to the base plate 1.

Abstract: A latch assembly is provided.

Abstract: There is provided a folding handle assembly in which a handle (6) which is fixedly mounted onto an article (16) for carrying is held in its erected or folded position. A support element (1) has an upper-portion recess (2). Two threaded through-hole (4) extends from a bottom surface (3) of the recess (2) to a rear surface (1a) of the element (1). A bolt (14) has its front-end threaded portion fixedly mounted in the through-hole (4), and receives in its front-end small bore (15) a spring (13) and an engaging piece (12). The handle (6) is provided with concave portions (9a, 9b) in its base-end portion (7), has the portion (7) mounted in the recess (2) of the elements (1), and is pivoted to the element (1) through a pivot (11) passing through both a through-hole (5) of a side surface (1b) of each element (1) and a through-hole (10) of the base-end portion (7) of the handle (6).

Abstract: A bilateral-type door locking handle assembly is disclosed. The assembly, owing to its bilaterality, can be employed in both a leftward- and a rightward-retractable door unit to enable its maker to save manufacturing costs and stock space of the product, in which: left latch 25 and right latch 28 are pivoted to pivot 22; lock plate 18 is vertically slidably moved by projection 41 of lever 17 connected with both rotor 19 of lock 12 and base shaft 14 of thumb turn 15, the projection being so arranged as to be pushed by plate 36 fixed to the rotor; notches 30 and 31 abutting on a left and a right surface of plate 29 of the lock plate are provided in shoulders of the left and the right latch, respectively; and, driving plate 40 is provided in an upper end of rear handle 9 so as to project therefrom and abut against each of arm 37 of the left latch and arm 38 of the right latch, the rear handle being interlocked with a front handle 6.

Abstract: There is provided a bilateral-type door locking handle assembly. In the assembly in a leftward- and a rightward-retractable door unit enabling the assembly of a single type to be mass-produced and enabling reductions in manufacturing cost and a saving of storage space thereof: a left and a right latch plate 25 and 28 are rotatably mounted on fixed pivots 22 and 51, respectively; a lock disk 17 connected with a shaft 14 of a thumb turn 15 is provided with locking blades 18, 48; locking projections 30 and 31 abutting against the blades 18 and 48 are formed in upper shoulders of the latch plates 25 and 28, respectively; a shaft 33 for transmitting torque produced in handles 6, 9 is fitted in an interlocking shaft 35 in which a driving plate 40 is provided; and, a driving projection 39 abutting against a follower 37 of the latch plate 25 and 38 of the latch plate 28 is formed in an upper portion of the driving plate 40.

Abstract: The assembly is used in leftward- and rightward-retractable door units, and provides wide variations of key to prevent the assembly from being illegally unlocked. In the assembly: a left 25 and a right 28 latch plate are supported on pivots 22 and 54, respectively; a lock casing 17 connected with a thumb turn 15 has locking blades 18, 48; locking projections 30 and 31 abutting against the blade 18 are in the plates 25 and 28, respectively; an interlocking shaft 35 receiving torque transmitted from a front 6 and a rear 9 handle has a driving plate 40; a driving projection 39 abutting against the arms 37, 38 is in the plate 40; a locking hole 50 of a core 20 received in a lock casing 17 assumes a regular hexagonal shape in cross-section, provided that one of its six corners forms a curved surface 50a; a locking pin 51 extends from an inner surface of the hole 50; and, a locking projection 53 is in a center of the bottom of the core 20.

Abstract: There is provided a biaxial hinge assembly, which is mounted on a box and a door so as to be flush with a front surface of the box and that of the door. The hinge assembly prevents the door from extending outward in its closed position, and improves the door in its sealing properties to a fixed frame element. In the assembly: each of stopper hinges 5a, 5b has its one end portion inserted between bearing sleeve portions 9a and 9b of a stationary wing plate 3, and the other end portion thereof inserted between bearing sleeve portions 10a and 10b of a rotatable wing plate 4; a first pintle 13 is inserted into bearing sleeve portions 11a, 11b of the stopper hinges 5a, 5b and the bearing sleeve portions 9a, 9b; a second pintle 14 is inserted into the other bearing sleeve portions 12a, 12b of the stopper hinges 5a, 5b and the bearing sleeve portions 10a, 10b; and, stopper projections 7, 8 are formed in base-end portions of the wing plates 3, 4.

Abstract: Latch assembly which is free from unlocking accidents, enjoys smooth operations in locking of a wing element and in engaging of a latch arm with a socket member, and properly covers a gap between the wing element and a stationary frame. The gap is resulted from misalignment in assembling of the wing element and the stationary frame. In the assembly: a lever 3 has its base end pivoted to a base plate 1 through a pivot 4; a latch arm 5 has its base end pivoted to the lever 3 through a pivot 6; a locking plate 10 of the plate 1 has a locking socket 14 which is engaged with and disengaged from a front end of a stop member 13 fixed to a rotor 12 of a lock unit 11; a spring 15 has its coiled portion 16 mounted on the pivot 4 to bias the lever 3 upward; a support 30 carries the member 8 movable along a longitudinal direction of the arm 5; and, a spring 36 biases the member 8 away from the pivot 4.

Abstract: Latch assembly which is free from unlocking accidents even when some other articles hit against a front end of an operating lever 3 of the assembly in which: the lever 3 is pivoted to bearing plate portions 2 of a base plate 1 through a first pivot 4; a latch arm 5 is pivoted to the lever 3 through a second pivot 6; a projecting plate portions 12 of a lock plate 11 are inserted in slots 13 of guide plate portions 10 of the base plate 1; a socket-member plate 19 fixed to the lever 3 has a locking plate portions 20 in which locking notches 21 are provided; these notches 21 are engaged with the projecting plate portions 12 of the lock plate 11 and held in such engaging condition under the influence of a compression coil spring 18; and, a push plate 14 for releasing the notches 21, 21 from such engaging condition is disposed in a rear-surface side cavity portion 9 of the lever 3.