SERRURE

LOCK

Revendications

Claim 1st. In a door look, a single bolt constructed with a frame located in the case, said frame slotted to receive the reciprocatory tumbler, substantially as shown and described. 2nd. In a door lock, a bolt constructed with a frame located in the case, said frame extended to the sides of the case and provided with arms for the engagement of the spindle socket, and springs to throw forward said bolt said frame recessed to receive a reciprocatory tumbler substantially as shown and desoribed. 3rd. In a door look, a bolt constructed with a frame located in the case, a spindle socket arranged to retract said frame, springs for throwing said frame forward, said frame recessed to receive a reciprocating tumbler, substantially as described. 4th. In a door look, a bolt constructed with a recessed, frame arranged to be retracted by a spindle socket, a tumbler recessed as shown and described, made reciprocatory in said frame, said case provided with a stud a3, all arranged substantially as and in the manner described. 5th. The combination, with a bolt constructed with a recessed frame located in the case, of a tumbler recessed, as shown and described, made reciprocatory in said frame, said tumbler provided with one or more keepers having a pivotal connection therewith at one end, and provided with shoulders e1, e2 at the opposite end, said case psubstan with a stud a3, all arranged substantially as and in the manner specified. 6th. The combination, with a bolt provided with a frame located in the case, and arranged to be retracted by a spindle socket, of a reoiprooatory tumbler recessed to afford a key-way, and one or more keepers pivotally engaged with said tumbler at one end and provided with shoulders e1, e2 at the opposite end, the construction being such that to unlock the device, the keeper must be first thrown to permit the reciprocation of the tum bler, substantially as described. 7th. The combination, with a bolt constructed with a frame, of a reciprocatory tumbler recessed to afford a key-way and to receive a stud upon the case, one or more keepers constructed with shoulders at one end and pivotally engaged with a tumbler at the opposite end, and one or more springs bearing upon said keepers toward its shoulder end, all substantially as and for the purpose described. 8th. In a door look, a bolt provided with a frame provided with recesses, a tumbler made reciprocatory in said recesses, one or more keepers pivotally engaged with a tumbler at one end, and provided with shoulders e1, e2 at the opposite end and one or more springs bearing upon the movable end of said keepers, the construction being such that when the tumbler is thrown in one direction the spring will force one of said shoulders against an adjacent edge of the frame and, if thrown too far in the opposite direction, the opposite shoulder will have contact with the adjacent edge of the frame and check the movement of the tumbler,substantially as and in the manner described.