US588237A

US588237A - Trunk-lock

Info

Publication number: US588237A
Authority: US
Publication date: 1897-08-17
Anticipated expiration: 1914-08-17

Description

v(NIO Model.) 2 Sheets-Sheet` l;

Y C.E.PARKBR. l

'TRUNK LUCKY. A No. 588,237. Patented Aug. 17,1897.

' (No Model.) 2 sneak-sheet 2.

Np@ 588,237. I Patented Aug. 17, 1897,

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IINrrRD STATESA PATENT OFFICE.

CHARLES E. PARKER, OF DULUTH, MINNESOTA. I

TRUNK-LOCK.

SPECIFICATION forming part of Letters Patent No. 588,237, dated August 17, 1897.

Application tiled August 22,1896. Serial No. 603,608. (No model.)

To @ZZ whom t may concern,.-

Beit known that I, CHARLES E. PARKER, a citizen of the United States, residing at Duluth, in the county of St. Louis and State of Minnesota, have invented certain new and useful Improvements in Locks for Trunks and other Receptacles; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled'in the art to which it appertains to make and use the same.

This invention relates to improvements in that class of locks intended for'use more especially in trunks and satche'ls.

The objects of my invention are to provide a trunk or Satchel with a safe and convenient means for locking the same, to avoid the necessity of employing trunk-straps or auxiliary fastening devices of any kind, to locate the entire locking meansl within the trunk, thus avoiding accidental breaking by careless handling, and, finally, to provide a safe, simplyconstructed, and economically-manufactured lock that is not only adapted to secure the trunk-lid or satehel at its center, as is usual, but also at its opposite ends.

Other objects and advantages of the invention will hereinafter appear, and the novel features thereof will be particularized in the appended claims. Y Y

Referring to the drawings,'Figure l is a front .elevation of a trunk7 'the' same being provided with aA locking mechanism construeted'in accordance with my invention, said mechanism being shown in its'locked position. Fig. 2 is a vertical longitudinal sectional view of a trunk, the locking mechanism being shown in rear elevation and in the position it occupies when the trunk is unlocked. Fig. 3 is a detail in perspective of the escutcheon-plate; Fig. 4, a det-ail in perspective of the lock-case, the view being taken from the rear. Fig. 5 is a side elevation ofthe same. Fig. G is a front elevation of the lockcase and its contained mechanism, the faceplate being removed to expose the interior and the'bolt being Vshown asshot. Fig. 7 is a view similar to Fig. 6, the bolt being shown as retracted or withdrawn'. Fig. 8 isa rear elevation of the lock or face-plate. Fig. 9 is a View similar to Fig. 6, the tumblers being removed.

Fig. l0 is an elevation of the diaphragm or partition-plate. Fig. ll is a detail in elevation of the key employed. Fig. 10 shows the tumblers in detail. A

Like numerals of reference indicate like parts in all the figures of the drawings.

As before indicated, thelockin g mechanism to be described as of my invention may be usefully employed in various relations, and therefore, although primarily intended for use in connection with trunks and satchels,and illustrated and described herein in connectionwith a trunk, yet I would have it understood that the application of the invention is by no means limited to the use herein suggested, nor do I consider myself limited 'to the minor details of construct-ion necessarily employed in this particular application, but contemplate such changes in the details as may be found necessary in different applications of the lock and which will readily suggest themselves to those persons skilled in the art.

In the present instance, 1 designates the body of the trunk, and 2 the usual lid. Secured to the interior of the lid are plates 3, located near the ends, and formed integral with or rigidly secured to said plates are depending keepers '4, the same passing the meetingline between the lid and trunk-body and therefore extending into the'latter. Y Keepers 5 areV secured to the inner surface of the front wall of the trunk-body in line with the keepers 4 and Ibetween the same, and loosely supported for reciprocation in the'keepers 4 are opposite locking-bars 6, the vsame being designed to be operated in a manner and by mechanism hereinafter described, so as to be shot into the keepers 4 or withdrawn from .the same, thus locking the lid or unlocking the Vsame at its opposite ends4 and obviating the Vnecessity of employing snaps, straps, or

other auxiliary fastening means. The front wall of the lid is provided with an internal keeper?, and below the same the front wall of the trunk-body has formed therein a circular opening in which is located the lock mechanism, which I will now proceed to describe. f

Set into the opening Vformed in the front wall of the trunk is a cylindrical metal bushing 8, the same being formed as a part' of an IOO escutcheon-plate 9,tliat is applied to the outer surface of the trunk and secured thereto by bolts or screws let into its corners and into the wall of the trunk. At one side the bushing is provided with a keeper or opening 10, and at its opposite side with a slot 11, at one end of which is located a spring-trip 12, that serves as a trip and is normallyprojected inwardly, but is capable of being com pressed within the slot 1l. Exlendinginwardly from the bushing is a stop-lug 13. The bottom of the bushing is provided with a reduced opening 14. A back plate 15 reinforces the escutcheon-plate thus described and has openings corresponding to those in said plate.

1G designates a cylindrical lock-case, the same being of such diameter as to adapt it to fit loosely for rotation within the bushing of the escutcheon. The lock-case comprises a bottom and a surrounding rim, the latter having formed at one side a slot 17, and at the opposite side a bolt-opening 1S. Upon its back there is formed a boss 19, from the center of which projects a rectangular gudgeon 20, and from the center of the gudgeon projects a threaded stud 2l. The cylindrical portion of the lock-case as well as the cylindrical boss 2O are contained wholly within the bushing of -the escutcheon, while the gudgeon and stud project rearwardly beyond the reinforcing-plate 15.

22 designates a hook-shaped rock -ai-m, the same having a hub 23 at one end that is provided with an angular opening that tits over the gudgeon 20 of the lock-case. Pivoted eccentrically, as at 24, to the hub of the rockarm 22 are the inner ends of the locking-` bars 6. The rock-arm is held in position upon the gudgeon 2O by means of a nut 25,

so that by a partial rotation of the lock-case and the rock-arm carried thereby it will be obvious that the locking-bars will be reciprocated accordingly and caused to engage or disengage with the keepers 4 in accordance with the direction of rotation imparted to the lock-case. The partial rotation given the lock-case and the hook-shaped rock-arm in addition to causing a locking engagement at the ends of trunk-lid causes a similar locking and unlocking by throwing the hookshaped rock-arm into or withdrawing` it from engagement with the central keeper 7, as plainly shown in Figs. l and 2.

Near the center of the bottom of the lockcase there is formed an outstanding stud 26, the same being square in cross-section, and mounted for reciprocation on the stud and in the opening 18 in the rim of the lock-case is a bolt 27. This bolt is provided with a longitudinal slot 2S, that loosely fits the stud 2G, and interposed between the side of the stud and the forward end of the slot and lying within the same is a coiled expansion-spring 29. The under edge of the bolt is recessed to produce a shoulder 30 near its rear end. The outer face of the bolt is provided at its upper rea-r corner with an outstanding stud 3l and at its upper front corner with a stud 33 and in line with its slot and in advance thereof with a stud 32.

34 designates a diaphragm or partitionplate, and the saine is provided with openings 35, that register with similar openings 3c, formed in the base of the lock-case for the reception of screws employed for retaining the lock-plate in position. A slot 37, that is formed in the partition-plate, accommodates the stud 3l, and below the same an angular opening 38 accommodates the rectangular stud 2G. The partition-plate is held in position by means of its recesses 39, which engage with ribs 40, formed on the lock-case. The lower end of the partition-plate is provided with a keyhole-slot 4l, and the circular portion of the sameis concentrieally arranged willi reference to the usual key-guiding stud 42, formed on the lock-case.

Encircling a stud 43 is a light spring 44, the lower end of which bears against the wall of the lock-case and the upper terminal of which bears against a vertical shoulder 45,.

with which the outer face'of the bolt is provided and which is prod uccd in the bolt by a widening of the same at its forward end.

Mounted loosely on the stud 32 is a pair of

tumblers

40 and 47, the same having their forward ends perforated to receive the stud 32. The tumbler 46 is provided with a slot 4S, the saine extending longitudinally, and at its forward end is recessed or olfset at its upper side, as at 49, and at its lower side at its rear end recessed or offset, as at 50. 'lhe tumbler 47 is likewise provided with a longitudinal slot 51, the rear end of which is recessed or oiiset at bot-h its upper and lower sides, as indicated at 52.

Loosely coiled upon the stud 33 of the bolt is a pair of light spi-ings 53, the upper terminals of which take under the stud 3l and the lower terminals of which bear respectively on the two

tumblers

46 and 47. The tumbler 4G, which is arranged in rear of the tumbler 47, is provided with a trip-arm 54, which is arranged in line with the slot 17 of the lockcase. Then the bolt is retracted, the triparm extends through the slot or into the same and into the path of the spring-trip 12; but when the bolt is shot the arm 54 is out of the path of the trip. Through the longitudinal slots 4S and 5l passes the angular stud 2G, and the same takes into the

various offsets

49, 50, and 52 in accordance with the relative positions assumed by the tumblers and as influenced by the bolt.

Arranged to close the front of the lock-case is the lock-plate 55, and the same has formed on its rear side pairs of lugs 5G, that engage the ribs 40. As a further means of securing the plate in position screws are passed through holes 57, formed in the lock-plate, and similar holes 35 and 3G, formed in the partitionpla-te and bottom of the lock-case. Near the bottom of the lock-plate is formed the keyhole-opening 58, the same being in line with IOO IIO

the key-guiding stud 42.y Diametrically opposite the circular portion of the keyhole 58 is a circular opening 59, formed in thelock'- plate.

The key 60 (shown in Fig. l1) comprises an offset shank 6l, having circular lugs 62 arranged on one face, the distance between the lugs agreeing With the distance between the circular portion of the keyhole 58 and the diametrically opposite opening 59,frmed in the lock-plate. At its middle the key may be provided With an angular opening forming a nut-receiving socket 63 for loosening or tightening the nut of the lock mechanism. Beyond the Wrench portion 63 of the key there is produced the usual spindle 64, the

same vbeing bored to fit' and rotate upon the key-guiding stud 42. At one side the spindle is provided With the recessed Web 65, the same being formed so that in turning when the bolt is shot, as shown in Fig. 6, it first raises the tumbler 47, the upper offset of Whose slot is in engagement with the stud or post 26. The web next comes in contact with the shoulder 30' of the lock-bolt, which may non1 be withdrawn against the tendency of its springs, inasmuch as the tumbler 47 does not resist such withdrawal by abutting against the stud or post 26.

The unlocking, it Will be seen, is secured by a movement-of the key to the right, and as the bolt' and tumblers are carried to the rear the offset 4H of the rear tumbler 46 is spring-pressed into engagement with thestud 26 and retains the bolt in a Withdrawn position until the said t-umbler 46 is raised against the tension of its spring 53, when it Will disenga-ge with the angular stud 26, and the liolt being released will automatically be shot-into engagement with. the opening 10 in the bushing. Such disengagement of the tumbler 46 is caused by the trip-arm 54 thereof coming in contact With the spring-trip l2 as the lock `as a Whole is rotated Within the bushing by means of a key Which is reversed, so that its lugs 62, Which constitute a Spanner-Wrench, engage the circular opening of the keyhole 58 and the diametrically opposite opening 59, formed in the lock-plate.

Surrounding the lock thus formed and screwedl to the escutcheon is a retaining-ringl 66, which overlaps the lock, holding it rotatably Within the bushing of the escutcheon, and although this ring may be readily removed yet the nut 25 will serve to retain the lock in position. The ring therefore is more of an ornament and also serves to close the space that occurs between the lock-case and the bushing.

In operation, taking the parts in the position they occupy in Fig. l, the key is rst introduced and rotated to the right, operating to Withdraw the bolt in the manner heretofore` described, after which the key is Withdrawn and the lugs 62 introduced into the openings mentioned in the lock-plate, and

` thekey, being employed as a Spanner-Wrench,

is Ypartiallyv rotated to the left. The lock, operating as an eccentric, Willimmediately Withdraw the locking-bars and hook-shaped locking rock-arm to the positions shown in Fig. 2, thus permitting the trunk to be opened. To lock the trunk, it is simply necessary to close the lid and employ the key as a Spanner- Wrench, so as to rotate the lock tothe right, and the same again acting as an eccentric throws the locking-bars and the hook-shaped locking rock-arm into engagement with their respective keepers. At the same time the trip-arm 54 of the tumbler 46 comes against the spring-trip 12, which causes a lifting of the tumbler from its engagement with the stud 26 and a liberation of the bolt that-per-/ mits it to be actuated or shot by its springs into the opening 10 of the bushing, with which it at that instant registers. The ends of the slot 17 operate at opposite sides of the stop 13 in the bushing and the latter serves to limit the throw of the lock-case.

It will thus be seen that the locking is automatic, While the unlocking isv first necessary, after which a bodily movement ofthe lock-case is required.

1 From the foregoing description, in connection with the accompanying drawings, it Will be seen that I have provided a locking mechanism of economic and simple construction and which is adapted for locking a trunk, traveling-Satchel, or other device at both the center and ends simultaneously, thus doing 'away With the necessity of employing trunkstraps, end snaps, or other extraneous fastening devices, and, furthermore, that the parts of this lock do not extend beyond the surface of the trunk and cannot become smashed or damaged, so as to render them inoperative, by careless handling.

It is obvious that the lock-case, Without internal mechanism and adapted to be operated merely by the Spanner-Wrench, may be employed in connection with the hook-shaped rock-arm and its keeper at the corners of the trunk, thus serving merely as a corner-catch for same.

Having described my invention, what I claim is-- l. The combination with a trunk or other receiver, the cover of which is provided With opposite end keepers, of a rotary lock mounted on the trunk, means for engaging the bolt of the same with the Wall of its support, and locking-bars eccen trically connected in a pivotal manner With the lock and adapted to be thrown into and out of engagement With the said keepers by the rotations of the lock, substantially as specified.

2. The combination with a trunk or other receiver, of a rotary lock, a support for the same with the Wall of which the bolt of the lock is adapted to engage, opposite keepers arrangedon the lid of the' receptacle at the opposite sides of the lock, a keeper' above the lock on said lid, fa hook-shaped rock-arm carried by the lock and adapted to engage the IOO IOS

central keeper, and opposite locking-bars eccentrically pivoted lto the lock and adapted to be thrown in to and out of engagement with the keepers by the movements of the lock, substantially as specified.

3. The combination with a trunk or other receptacle, the lid of which is provided with a keeper, of a support below the l-id, a rotatable lock mounted in the support, the bolt of the lock being adapted to engage with said support, and a hook-shaped rock-arm carried by the lock and adapted to be thrown into and out of engagement with the keeper by the movements of the lock, substantially as specified.

et. The combination with a trunk or other receptacle, of a rotaryleck, a support for the same with the wall of which the bolt of the lock is adapted to engage, a keeper carried by the lid of the trunk or receptacle, and a locking-bar pivotal] y connected with the lock and adapted to be thrown into and withdrawn from engagement with the same by the rotations of the lock, substantially as specified.

5. The combination with a trunk or other receptacle having a recess or opening, of an escuteheon-plate secured to the face of the same and provided with a central recess seated in the opening, a rotary lock mounted in the recess of the escutcheon-plate, the bolt of said lock being adapted to engage in the wall of the recess of said plate, keepers carried by the lid of the receptacle, and locking-bars eccentrically pivoted -to the lock and adapted to be thrown into engagement with the keepers lor be withdrawn therefrom by the movements of the lock, substantially as specified.

G. The combination with a trunk or other receptacle having an opening, abushing seated in the opening and provided at one side with a hole or keeper and at the opposite side with a trip, of a rotary spring-lock mounted in the bushing and having a bolt-releasing device adapted to be projected in the path'of the trip, a keeper carried by the trunk or receptacle lid, and a locking-bar eccentrically pivoted to the lock and adapted to be thrown into and withdrawn from engagement with said keeper by the movements of the lock, substantially as specified.

7. The combination with a trunk or other receptacle having an opening below its lid, of a rotary spring-lock mounted in the opening and provided with a bolt-releasing arm, a tripping device arranged in the path of the releasing-arm whereby the bolt is liberated to engage areeess formed in the wall of the opening, openings formed in the lock-plate and adapted to receive aspanner-wrench, a keeper carried by the lid and a locking-bar eccentrieallypivoted to Ithe lock and adapted to be thrown into engagement with the keeper or withdrawn therefrom by the movements of the lock, substantially as specified.

S. The combination with a trunk or other receptacle, the lid of which is provided with keepers, of a lock rotatably mounted in a support, the bolt of which is adapted to be withdrawn from engagement withthe support by means of a key, locking devices for engaging the keepers carried by the lock and operated thereby and means for automatically shooting the bolt of the lock when the lock has been r0- tated to such a position as to cause the locking devices to engage with the keepers, substantially as specified.

0. The combination with a trunk or other receptacle, the lid of which is provided with keepers and the wall of the receptacle portion of which is provided with an opening, of an escutcheon-plate surrounding the opening and provided with a bushing seated in the opening, said bushing having at one side a bolt-hole, at its opposite side a springtrip and above the same provided with a stop-lug, a'cylindrical lock mounted for rotation in the bushing and having a segmental lock for the reception of the stop-lug, said lock having a spring-actuated bolt for engaging the hole in the bushing, and a bolt-liberating arm extending in the path of the trip, and locking devices carried by the lock and adapted to be operated by the movements thereof so as to engage with or be disengaged from the keep ers of the lid, substantially as specified.

l0. The combination with a trunk or other receptacle, the lid of which is provided with keepers and the receptacle portion of which is provided with a hushed openinghaving at one side a bolthole, of a cylindrical lock having a bolt-engaging hole and mounted in the said bushing, said lock being provided at its rear side with a rectangular gudgeon and beyond the same with a threaded stud, opposite locking-bars eccentrically pivoted on the lock and adapted to engage the keepers, a hookshaped rock-arm having an angular opening carried bythe gudgeon and adapted to engage one of the keepers, and a nut arranged on the stud, substantially as specified.

1l. The combination with a receptacle, of a rotary lock-case supported therein, a slotted bolt arranged in the lock-case and moving over and receiving an angular stud, tumblers pivoted on the stud carried by the bolt and having recesses for receiving the stud upon which the bolt is mounted and adapted to engage therewith when the bolt is either retracted or shot, a key for retracting the bolt and raising the tumbler that holds the same in its shot position, a spring for throwing the bolt and means for raising that tumbler that locks the bolt in its retracted position, such means being so located as to operate only when the case is revolved toward the same, and locking devices for engaging the keepers, said devices being operated by the rotations of the case, substantially as speciiied.

l2. The combination with a trunk or other receptacle, the lid of which is provided with keepers and the receptacle portion of which is provided with a cylindrical bush opening having a hole at one side and a trip at the other, of a rotatable lock-case mounted in the ICO IIO

bushinghlocking devices operated by the lockcasefor engaging with the keepers, a stud projecting from the lock-oase, a bolt mounted on the stud and slotted to receive the same and adapted to engage the opening in the bushing, a spring for throwing the bolt, a keyengaging shoulder formed on the lower edge of the bolt, a key-guiding stud below the same, a tumbler pivoted on the bolt and provided at one end with an arm extending into the path of the trip, said tumbler having a longitudinal slot provided at its front end with an offset for engaging the guide-stud of the bolt when the latter is,retracted, a second tumbler pivoted on the bolt and having a longitudinal slot provided at its rear end with an oiset for engaging said guide-stud, sprin gs for depressing the tu mblers, and a lock-plate arranged on the look-ease and havinga keyhole-opening registering with the key-guiding stud and diametrically opposite the same provided with a second opening whereby a Spanner-wrench may be employed for rotating the lock, substantially as specified.

13. The combination with'a trunk or other receptacle provided with a bushed opening having a bolt-hole at one side and a trip at the opposite, of a rotatable look-case seated in the bushing, means for retaining the case in position, locking devices carried by the ease and operated by its movements so `as to engage or disengage with the keepers, an angular stud, 26, extending from the case, a reciprocating bolt, 27having a slot, 2S, mounted on the stud and provided with the upper end studs, 31 and 33, and the lower stud, 32, and at its lower edge with a shoulder, 30, the diaphragm arranged over the bolt and having the keyhole-openin'g,41, and the stud-receiving openings, 35, 37 and 38, the tumblers, 46 and 47, pivoted on the stud, 32, the tumbler 46 having the trip-arm, 54, extending through a slot in the case-and into'the`path of the trip of the bushing when the bolt is retracted, and provided With the longitudinal slot, 48, having the offset, 49, at its front end forengaging the stud, 26, the latter tumbler having the longitudinal slot, 51, having the offset, 47, at its' rear end for engaging the stud, 26. the springs, 53, coiled on the stud, 33, and havingtheir terminals interposed between the stud, 31, and the tumblers, 46 and 47, the Spring, 44, for throwing the bolt and the lookplate 55, having the keyhole-opening, 58, and

the diametrically opposite opening, 59, substantially as specified.

14. The herein-described key,the same consisting of the shank havinga web at one end for operating the bolt and at its opposite end provided'with a pair of spaced-apart lugs adapted to serve as a Spanner-wrench, in combination with a rotatable lock having diamet- W. D. DEAN, B. H. HOLMES.