A product dispenser comprises first and second housing parts (11, 12) and a lock mechanism. The lock mechanism is configured to lock the first and second housing parts together with one another, and comprises: a cradle (30), the cradle housing at least one lock arm (20); an aperture (80) through the first housing part and leading into the cradle; a rotatable guiding part (40) located within the aperture and the cradle; a key (70) that cooperates with the rotatable guiding part; and a mating part of the second housing part, the mating part configured to engage with an end (21) of each lock arm to lock the first and second housing parts together, and wherein the key is rotatable to rotate the rotatable guiding part within the aperture and actuate each lock arm to disengage from the mating part, unlocking the first and second housing parts from one another.

A locking structure, for fastening together a first case and a second case, includes: a fastening portion disposed on the first case, a hook portion movable between a locking position and a release position, and a tension spring with one end disposed at the second case and the other end disposed at the hook portion. When the hook portion moves to the locking position under an applied force, the hook portion becomes fastened to the fastening portion. After the hook portion has separated from the fastening portion under an applied force, the tension spring exerts a restoring force under which the hook portion returns to the release position. After the hook portion has separated from the fastening portion under the applied force, the tension spring pulls the hook portion back to the release position without a user's manipulation.

A locking structure, for fastening together a first case and a second case, includes: a fastening portion disposed on the first case, a hook portion movable between a locking position and a release position, and a tension spring with one end disposed at the second case and the other end disposed at the hook portion. When the hook portion moves to the locking position under an applied force, the hook portion becomes fastened to the fastening portion. After the hook portion has separated from the fastening portion under an applied force, the tension spring exerts a restoring force under which the hook portion returns to the release position. After the hook portion has separated from the fastening portion under the applied force, the tension spring pulls the hook portion back to the release position without a user's manipulation.

A latch structure comprising an elastic pull latch is disclosed. The top of the elastic pull latch includes a latch bar configured with a latch groove. The elastic pull latch also includes an elastic boss that moves in and out of the latch cover of the pull latch. On both sides of a box, an elastic pull latch is provided at the top and a catch groove having a catch affixed to the lower edge is provided at the bottom. When two boxes are stacked together, the catch in the catch groove of the upper box is snapped into the latch groove of the elastic pull latch of the lower box to securely connect the two boxes. When the latch is released, the catch of the upper box blocks the elastic boss of the latch of the lower box to prevent the latch from retracting inwards.

A latch for releasably connecting two elements is operable between engaged and released positions. An elongate handle opens and closes a latch mechanism about a first axis of rotation at the rear end of the handle. The latch handle is held closed only when the latch mechanism is in the engaged position and is lockable in the closed position by a manually operable handle catch. The front end of a handle cover is rotatably connected to the front end of the handle. The cover has a cover catch on the rear end, which is engagable with the latch mechanism to hold the cover closed. The cover is substantially coextensive with and in abutment with the handle. When the latch is mounted overhead and is open, the handle extends downward by the force of gravity and the cover extends downward away from the handle. In this configuration, the open latch is highly visible.

A door latch for securing a door in a closed position. The door latch generally includes a vise-grip comprising a clamp pliers having first and second jaws and a securing stay that is attachable to a non-door surface coupled to the first jaw. The second jaw comprises a first bushing coupled to the second jaw through which a rod is configured to pass. The rod comprises a first end configured to seat within a channel of a door and a second threaded end configured to threadably couple to an adjustment knob and apply pressure to at least one of an optional spring and second bushing when the door latch is engaged. The channel may be on a channel plate coupled to the door and may comprise a raised edge on the back surface to facilitate engaging a hook at the rod's first.

A door latch for securing a door in a closed position. The door latch generally includes a vise-grip comprising a clamp pliers having first and second jaws and a securing stay that is attachable to a non-door surface coupled to the first jaw. The second jaw comprises a first bushing coupled to the second jaw through which a rod is configured to pass. The rod comprises a first end configured to seat within a channel of a door and a second threaded end configured to threadably couple to an adjustment knob and apply pressure to at least one of an optional spring and second bushing when the door latch is engaged. The channel may be on a channel plate coupled to the door and may comprise a raised edge on the back surface to facilitate engaging a hook at the rod's first.

A panel fasteners (20) is disclosed in the form of a hook and cam assembly (21) having two side walls (24) with a boss (27) through which a cam shaft (28) is journalled. The cam shaft has a socket (29) and a round cam (30). A hook (32) is frictionally mounted in camming engagement with the cam. A leaf clutch spring (33) is mounted within a spring mounting notch (36) and in frictional engagement with a substantially round cam engagement hole (34) of the hook. To position the spring into the spring mounting notch and cam engagement hole the spring is pre-compressed prior to mounting it within the spring mounting notch by forcing it through a narrowing channel positioned adjacent the cam.

A low profile actuating window lock for casement windows having a longitudinal slot in a sidewall of the casing for the lock, wherein a fork component translates within the slot in a direction perpendicular to an axis of rotation of the handle and the handle rotates along a plane perpendicular to the fork component, the handle pivotable about a restrictor arm that pivots relative to the casing, allowing the handle to rotate fully from the locked position to the unlocked position with low clearance from the window frame. The pivot points of the handle and restrictor arm configuration allow for an over center linkage that prevents back driving the casement window lock.

A door opener assembly may include an opener housing including a well and at least one hook member. A pin-reception channel may be formed through a portion of the well. The hook member(s) is configured to hook onto a portion of a frame. The door opener assembly may also include a frame-securing member having a pin retained within the pin-reception channel. The frame-securing member is configured to be urged into the well to lock the opener housing to the portion of the frame.