US1759402A - Lock - Google Patents

Description

May 20, 1930. J HOGAN 7' 1,759,402

LOCK

Filed Nov. 26. 1928 .l INVENTOR. L/bfii? fihHo gan.

A TTORNEYS.

Patented May 20, 1930 UNITED STATES JOHN HOGAN, F ALTAVISTA, VIRGINIA,

PATENT OFFICE" assrenon TO THE LANE oomramr, me,

A CORPORATION OF ,VIRGINIA LOCK Application filed November 26, 1928. Serial R0. 321,946.

object isdefeated by the failure of users to tightly close the lids and lock them in that position which can be done by turning a key to operate the lock.

It is the primary object of my invention to 1 provide a combined latch and lock for such chests so that the mere act of closing the lid of the chest insures it being automatically latched in the closed position; a further object of my invention is. to provide means independent of the lock key to readily release the latch; and with these and other objects in view my invention consists of the parts and combination of parts hereinafter pointed out.

In the drawings:

Figure 1 is a detail sectional view of a receptacle with my lock applied.

Figure 2 is a rear elevation of the lock detached and with the back plate removed.

Figure 3 is a view similar to Figure 2 with the locking bolt removed.

Figure 4 is a sectional view on the line 4-4, Figure 3, looking in the direction of the arrow, showing the keeper in latched position.

Figure 5 is a view similar to Figure 4 showing the parts in unlatched position.

Figure 6 is a rear elevation of the lock detached.

The reference numeral 6 designates a chest or other container having a lid or closure 7 provided with a catch 8 of any approved construction.

The lock plate 9 is provided at its top edge with a flange 10 having an opening 11 through which the catch 8 may project, as shown in Figures 5 and 6, when the lid is in closed position. The lock casing wall 12 is secured to the plate 9 and is provided with notches 13 in which the trunnions 14 of the movable latch plate 15 are journalled, whereby the plate 15 may move, rock or swing on said trunnions, so as to move into and out of engagement with the catch 8 as shown in 50 Figures 4 and 5, Thus keeper or latch plate carries the usual key pin 15*. A push pin 16 is also fixed to the keeper or latch plate 15 and positioned, preferably, below the key pin 15, but is longer than the key pin and projects out beyond the front wall of the chest so that it may be readily and conveniently operated, the plate 9 of the lock having an elongated opening 17 through which the key pin and push pin 16 project.

A lock bolt 18 is slidably mounted in notchesvformed in the casing wall 12 so that it may be moved bodily transversely of the casing Wall 12 within certain limits, and is held in assembly position, as is the keeper plate 15 by means of the back plate 9 of the lock. This bolt is provided with an arm 20 slidably mounted in anotch in the casing 12, one end of the bolt being provided with a comparatively wide upwardly extending flange 21, which when the bolt 18 is moved to the dotted position (Figure 2) bridges the joint between the rocking plate 15 and the casing wall 12, thereby locking the rocking plate against movement, whereas in its full line position (Figure 2) .it leaves the plate 15 free to rock. Recesses 22, 23, are provided in the under edge of the locking bolt 18 whereby when'the bolt is moved to the right the recess 23 engages a stop 24 and is held in that position by means of the spring 25, one end of the spring being secured to the plate 9.

The lower edge of the bolt 18 is provided with a cam like face 26, against which the key, when mounted on the pin 15, is moved to throw the bolt to locked and unlocked position.

A spring 27, one end of which is anchored to the plate 9, bears against the keeper plate 15 and holds that plate normally in the position shown in Figure 4, butat the same time permits the plate to rock to the position shown in Figure 5 to permit the catch to pass downward and engage the opening'28 in the plate 15 as shown in Figure 4.

To latch the lid in closed position it'is only necessary to fully close it, whereupon the catch will engage and lock with the keeper plate 15. Now, when it is desired to open the lid it is only necessary to push inward on the pin 16 and thereby rock the plate 15 to the position shown in Figure 5 whereupon the catch 8 is free and the lidmay be opened. To look the lid against unauthorized opening the bolt 18 may be moved to locked position by the key.

What I claim is: 7

In a lock, a casing having a latch opening through its top Wall, a keeper plate pivotally mounted in said casing and having an opening through its upper end portion adapted to receive a latch, a key operated locking bolt in said casing adapted to be moved relatively to the keeper plate to lock the keeper against movement a key pin on said keeper plate and a push button on said keeper plate.

In testimony whereof I afiix my signature.

JOHN HOGAN.

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