Cabinet lock assembly

Claim 2

A cabinet lock assembly adapted for use on a door, drawer or lid, comprising a bolt guide assembly including a housing open at opposite ends, a reciprocable lock bolt in said housing, and a cylinder guide plate conformably received in and forming one side of said housing, and a cylinder assembly including a cylinder, a plug rotatably mounted in said cylinder, a pair of spaced axially offset pins on said plug cooperating with said lock bolt so that rotation of said plug causes reciprocation of said bolt, and means on the inner end of said cylinder to removably secure the cylinder in the cylinder guide plate, said lock bolt having a recess on each face including at least two pairs of transverse arms therein, each arm having a camming surface of at least one end thereof spaced from the edge of said recess so that either recess may accommodate said spaced pins on said plug for actuation of the bolt, said lock bolt having a pair of parallel elongated openings therethrough paralleling and intersecting the longitudinal edges of said recesses.

Claim 3

A cabinet lock assembly as set forth in claim 1, including a stop projecting inwardly in said housing, and said lock bolt having a pair of oppositely disposed stop recesses, one on each face of said bolt to receive said stop, so that said lock bolt may be flipped over and turned end for end relative to said housing to properly orient said bolt and housing for either door, drawer or lid installation.

Claim 4

A cabinet lock assembly as set forth in claim 1, in which said housing and said cylinder guide plate each has a generally central opening therein, said openings being axially aligned and generally aligned with said elongated slots in said lock bolt.

Claim 5

A cabinet lock assembly as set forth in claim 1, in which said means on said cylinder includes a snap washer secured onto the inner end of said cylinder, said washer having an opening aligned with and receiving the inner end of said rotatable plug, and a pair of circumferentially spaced inclined resilient tabs on said washer inclined outwardly and extending forwardly from said washer.

Claim 6

A cabinet lock assembly adapted for use on a door, drawer or lid, comprising a bolt guide assembly including a housing open at opposite ends, a reciprocable lock bolt in said housing, and a cylinder guide plate conformably received in and forming one side of said housing, and a cylinder assembly removably secured in said cylinder guide plate, said cylinder assembly including a cylinder, a plug rotatably mounted in said cylinder, a pair of spaced axially offset pins on said plug cooperating with said lock bolt so that rotation of said plug causes reciprocation of said bolt, and means on the inner end of said cylinder to removably secure the cylinder in the cylinder guide plate, said lock bolt having a recess on said face including at least two pairs of transverse arms therein, each arm having a camming surface and at least one end thereof spaced from the edge of the recess so that either recess may accommodate the spaced pins on said plug for actuation of the bolt, one recess having a pair of spaced laterally extending arms spaced from end walls thereof, and the other recess having three spaced arMs with camming surfaces at each end of each arm, said end arms being joined to end walls with curved recesses between said arm and said wall and defined by a central joining portion, one of said recesses being especially adapted for horizontal actuation of the bolt and the other recess being especially adapted for vertical action of the bolt.

Claim 7

A cabinet lock assembly adapted for use on a door, drawer or lid, comprising a bolt guide assembly including a housing open at opposite ends, a reciprocable lock bolt in said housing, and a cylinder guide plate conformably received in and forming one side of said housing, and a cylinder assembly removably secured in said cylinder guide plate, said cylinder assembly including a cylinder, a plug rotatably mounted in said cylinder, a pair of spaced axially offset pins on said plug cooperating with said lock bolt so that rotation of said plug causes reciprocation of said bolt, and means on the inner end of said cylinder to removably secure the cylinder in the cylinder guide plate, said lock bolt having a recess on said face including at least two pairs of transverse arms therein, each arm having a camming surface and at least one end thereof spaced from the edge of the recess so that either recess may accommodate the spaced pins on said plug for actuation of the bolt, one recess having a pair of spaced laterally extending arms spaced from end walls thereof, and the other recess having three spaced arMs with camming surfaces at each end of each arm, said end arms being joined to end walls with curved recesses between said arm and said wall and defined by a central joining portion, one of said recesses being especially adapted for horizontal actuation of the bolt and the other recess being especially adapted for vertical action of the bolt.

Claim 8

A cabinet lock assembly adapted for use on a door, drawer or lid, comprising a bolt guide assembly including a housing open at opposite ends, a reciprocable lock bolt in said housing, and a cylinder guide plate conformably received in and forming one side of said housing, and a cylinder assembly removably secured in said cylinder guide plate, said cylinder assembly including a cylinder, a plug rotatably mounted in said cylinder, means on said plug cooperating with said lock bolt so that rotation of said plug causes reciprocation of said bolt, and means on the inner end of said cylinder to removably secure the cylinder in the cylinder guide plate, including a snap washer secured onto the inner end of said cylinder, said washer having an opening aligned with and receiving the inner end of said rotatable plug, and a pair of circumferentially spaced inclined resilient tabs on said washer inclined outwardly and extending forwardly from said washer, said cylinder guide plate having a generally central opening therethrough, an annular flange defining said opening and extending toward said cylinder assembly, said flange having a plurality of circumferentially equally spaced arcuate projections extending therebeyond, a plurality of notches formed on the interior surface of said arcuate projections each having an inwardly inclined surface, adjacent notches being spaced apart by an arc equal to the arc separating said inclined tabs, and a plurality of notches formed in said annular flange, each last mentioned notch being axially aligned with and forming a retaining shoulder spaced from a first mentioned notch.

Claim 9

A cabinet lock assembly adapted for use on a door, drawer or lid, comprising a bolt guide assembly including a housing open at opposite ends, a reciprocable lock bolt in said housing, and a cylinder guide plate conformably received in and forming one side of said housing, and a cylinder assembly removably secured in said cylinder guide plate, said cylinder assembly including a cylinder, a plug rotatably mounted in said cylinder, means on said plug cooperating with said lock bolt so that rotation of said plug causes reciprocation of said bolt, and means on the inner end of said cylinder to removably secure the cylinder in the cylinder guide plate, including a snap washer secured onto the inner end of said cylinder, said washer having an opening aligned with and receiving the inner end of said rotatable plug, and a pair of circumferentially spaced inclined resilient tabs on said washer inclined outwardly and extending forwardly from said washer, said cylinder guide plate having a generally central opening therethrough, an annular flange defining said opening and extending toward said cylinder assembly, said flange having a plurality of circumferentially equally spaced arcuate projections extending therebeyond, a plurality of notches formed on the interior surface of said arcuate projections each having an inwardly inclined surface, adjacent notches being spaced apart by an arc equal to the arc separating said inclined tabs, and a plurality of notches formed in said annular flange, each last mentioned notch being axially aligned with and forming a retaining shoulder spaced from a first mentioned notch.

Claim 10

A cabinet lock assembly as set forth in claim 6, in which said first mentioned notches receive and cam said inclined resilient tabs inwardly and the shoulders on said second notches cooperating with the free ends of said tabs to retain said cylinder assembly when said tabs snap into said second notches.

Claim 11

A cabinet lock assembly as set forth in claim 7, in which said aligned pairs of notches are circumferentially spaced in such a manner that said cylinder assembly can be secured to said cylinder guide plate at arcuate increments of 90* so that said lock cylinder and plug are always upright in a given lock installation.

Claim 12

A cabinet lock assembly as set forth in claim 6, in which said cylinder assembly includes arcuate recesses spaced forwardly of said snap washer to receive the arcuate projections on said cylinder guide plate when the cylinder assembly and bolt guide assembly are connected together.

Claim 13

A cabinet lock assembly adapted for use on a door, drawer or lid, comprising a bolt guide assembly including a housing open at opposite ends, a reciprocable lock bolt in said housing, and a cylinder guide plate conformably received in and forming one side of said housing, and a cylinder assembly removably secured in said cylinder guide plate, said cylinder assembly including a cylinder, a rotatable plug in said cylinder operatively connected to said lock bolt for reciprocation thereof, and a snap washer secured onto the inner end of said cylinder, a pair of circumferentially spaced inclined resilient tabs on said washer, and an annular flange on said cylinder guide plate defining a central opening therein, said flange having a plurality of circumferentially spaced notches formed on the interior surface thereof and forming retaining shoulders cooperating with said inclined tabs to releasably retain the cylinder in the cylinder guide plate.

Claim 14

A cabinet lock assembly adapted for use on a door, drawer or lid, comprising a bolt guide assembly including a housing open at opposite ends, a reciprocable lock bolt in said housing, and a cylinder guide plate conformably received in and forming one side of said housing, and a cylinder assembly removably secured in said cylinder guide plate, said cylinder assembly including a cylinder, a rotatable plug in said cylinder operatively connected to said lock bolt for reciprocation thereof, and a snap washer secured onto the inner end of said cylinder, a pair of circumferentially spaced inclined resilient tabs on said washer, and an annular flange on said cylinder guide plate defining a central opening therein, said flange having a plurality of circumferentially spaced notches formed on the interior surface thereof and forming retaining shoulders cooperating with said inclined tabs to releasably retain the cylinder in the cylinder guide plate.