A lock, such as a padlock, is provided with a single, spring biased end journaled bolt for operably interconnecting a shackle with a magnetic key controlled, locking-unlocking mechanism.

A pin and tumbler type lock in which a slide element is disposed at that end of the cylinder opposite the end from which the key is inserted, the slide element cooperating with a pin in the barrel and having a projecting portion diametrically opposite to the pin with which it cooperates which, in the locked condition, engages in an opening of the barrel. The slide element has a configuration for cooperation with the leading end of a key so that insertion of the correct key causes disengagement o...

A cylinder lock having a non-rotatable part which is provided with an axially extending chamber and one or more recesses communicating with the chamber. A plug is arranged in this chamber for rotation about an axis, and a key is axially insertable into the plug. A number of tumblers are slidably mounted on the plug for movement transverse to the axis into and out of the recesses, the purpose of these tumblers being to prevent rotation of the plug when at least one of the tumblers extends into a ...

A lock is provided having a cover and a casing in which the cover is normally removable from the lock. The casing has an opening to receive a bolt therethrough, and means on the cover to engage the bolt whereby the cover cannot be removed from the casing when the bolt is in its advanced position.

A lock adapted to be secured to an item having a peripheral groove adjacent one end thereof to prevent access to the member, such as a wheel nut. The lock has a locking member assembly comprising a housing with a movable member located at least partially within the housing which is adapted to urge a part circular ring into engagement with the groove to secure the lock in position. The locking member assembly comprises a combination lock selectively to prevent movement of the movable member.

A lock of the type enabling panic exit, there being a unique drive arrangement from the inner knob to the latch bolt mechanism and the security dead bolt mechanism. This drive utilizes a vertically reciprocable slide at the inside of the door panel, biased in one direction, and shiftable in the other direction by rotation of the inner knob for retraction of both the latch bolt and the security dead bolt. The drive is not responsive to tampering with the spindle elements, e.g. after forced remova...

A lock which includes a bolt, a catch, a handle for manually moving the catch from an operative position to an inoperative position, first link means, and electrically actuable means for causing movement of the first link means between first and second positions, the first link means, at the said first position, translating movement of the handle in a first direction into movement of the bolt from a locked position to an unlocked position and, at the said second position, allowing handle movemen...

A lock 10 to be mounted in a sliding door or window. The lock 10 includes a lever 17 that is used to retract and extend the locked tongue member 15. On the inside of the door there is provided a first cylinder lock 24 that is operable to release the tongue member 15 for movement from the extended position to the retracted position thereof while provided on the outside of the door is a lock cylinder 27 that is operable to lock or to release the tongue member 15 for movement from the extended posi...

A lock for a door comprises a casing, a bolt, a pivoted operation handle, operable to retract the bolt, a locking member to deadlock the bolt against retraction, and a unitary spring steel connecting member between the handle and the locking member. The connecting member has a central coil around a rod which acts as a pivot for the locking member and one end of the connecting member is cranked to engage in a recess of the locking member. The other end of the connecting member is shaped such that...

The invention is in respect of a lock having a body and an actuator arrangement which is displaceable relative to the body between an inoperative condition and an operative condition. The actuator arrangement is capable of operating a device such as a locking mechanism or the like only when in its operative condition. The lock further includes non-mechanical key identification means. The lock further includes retaining means for retaining the actuator arrangement releasably in its inoperative co...