US1165545A - Padlock. - Google Patents

Description

E. J. SHlPMA N.

, PA DLOCK. APPLICAUON FILED MAR. 31, 1914. 1,165,545. Patented Dec. 28, 1915.

as W

,4 HORNE) UNITED sTA Es PATENT UFFICE,

emu ir, nirfmn, or -1\TEW H-LWEN, CONNECTICUT, ASSIGNGR To SARGENT & COMPANY, or NEW HAVEN, CONNECTICUT, A'CORPORATION or CCNNECTICUT.

FPADLOCK.

Specification of Letters Patent.

Patented Dec. 28, 1am.

Application-filedMarch 31, 1914. Serial No. 828,515.

Toaall whom-it may concern: 7 U 'Beit known that 1, EVAN J. SHIPMAN, a

'jQltlZGIljfOf the UnitediStates, residing in New Haven, county 01 New Haven, and

Stateof Connecticut, have invented "certain newand useful-Improvements 1n Padlocks, of which the following is a full, clear, and

exact description.

This invention relates to padlocks, and

more particularly to padloc'ks provided with registering mechanism whereby the number ofti'mes that the padlock, is actuated [during a seertain' :period is visuallyindicated on the epadlock itself.

.wP-ad-loc 'k's of this kind are intended to "facilitate the tracing of thefts.

My "improvements relate ,more, especially to refgisteri-ng padlocks -of the pm tumbler type.

- lf he{- pri mai-y object of the invention is-to provide improvedandsimplified means "for -of parts to be 1 hereinafter fdescr'ibe'd and 111 the -accompanying drawm'g, F gure 1 isaifront elevation ofa padlock embodying ,my improvements, with the shackle closed. Fig.2 is a similar view, with the shackle open. f-Fig. 3 is an elevation of the lock mechanism removed from the case of the ,padlock, looking from "the front "Figs. 4

aud 5 are'end views ofFig.3. 'Fi-gfG isa ':'view similar to Fig. *3,"with"th'e registering -dial"om itted. Figf tl is a fragmentary view 6, showing the dialfa'ctuating'lpawl in a different position. 'Fig'. 7 is a section on line 7 7 ofFi'gf3, and 'Fi'gQS is a rearview o f thedialdetached. a t

Referring to the drawingyl have shown my improvements appliedto apadlockh'avingfacase 10, and a sliding "shackleil, "The j*padlock selected for illustration is er the,

"Igener'al'type set forth in Patent No." 729,? 92,

' granted to Sargent; &"Company, on June2, 11903, as assignee' of'Aflbert'A; Page, 'andthe "pin tumbler lock o'r-secu1=-in andreleasing the sha'cklell' com rises a case 12 carried by 'the' 'faceplate, or bottom plate 13," and a key, plug, or barrel 14c rotatable in 'aniopening in the face plate, and adapted to cooperate with the usual key 15.

The mechanism for locking and releasing the shackle is not illustrated in detail, as it is fully shown in the patent above mentioned, and for the same reason it has been considered unnecessary to illustrate the means iior securing the pin tumbler lock mechan- 1sm inthe case 10.

In accordance with my invention, the key plug 14 is adapted to actuate a pawl, or the llke, each time the shackle isreleased, which pawl in turnactuates a registering dial having members which are successively visible through'an openmg 1n the case wall, as the dial is turned on its axis. In the form shown, the case 12 of the pin tumbler lock is V cutaway at 16 to expose the key plug 145 and permit attachment to the key plug of a lug 17, -which maybe secured to the cylindrical wallofthe plug by means of a small screw 18. A pin 19eXtendingperpendicularly to with a notch 21 adapted to engage the lug 17 on the key plug, in the manner shown in Figs. 6 and 6 the arrangement being such that when the lug 17 is moved to the right relativelyto Fig. 6,the end 20 of the pawl 20'1s moved downward, whereas when the lug '17 moved in the opposite direction, the end 'QO ISTQtUIHGCl to its elevated positI'OIL'SllOWIl in Fig. 6.

The pin 19 not only serves as a pivot for thepawl 20, but also as an arbor for a registering dial 22. The rear face of the dial 22 'is provided with notches or ratchet teeth 23, adapted 'to be engaged by the end 20 of the pawl 20,: such end 20 being suitably "shaped for that purpose, as shown in Fig. 4.

"Hence, as the pawl is moved from the position shown in Fig. 6 to that shown in Fig. 6 the dial 22 is turned clockwise.

On the return movement of the pawl 20*, a check "pawl 24secured to the case 12, by a screw 25, engagesone of the notches 23, and prevents correspondmg movement of the dial 'so that as the key plug is actuated to open thepadlocka number of times, the dial 22 is rotated intermittently in a clockwise direction with reference to Fig. 3. The outer or front face of the dial 22 carries suitable members adapted to be brought successively mto register with an opening 26 in the front wall of the case.- Supposing the parts to be r in the position shown in Fig. 1, with the number 6 appearing through the opening 26 in the case, the movement of the key plug 14;, incident to the release of the shackle,

moves the dial 22 (by means of the pawl to an extent suilicient to present" the number tion of a shackle, pin tumbler lock mecha- 'nism for securing and releasing the same,

including a key plug, a registering dial, said dial being spaced from and substantially coextensive w th the plug, and mechanism cooperating with the key plug and dial forjactuating the said dial with the key plug,

substantially as described.

2. In a registering pad-lock, the combination of a shackle, pin tumbler lock mecha-.

nism for securing and releasing the same, including a key plug, a case inclosing said lock mechanism, a pawl pivotally mounted on said case, a member projecting from the key plug to the exterior ofsaid case adapted to rock the pawl, and a registering dial adjacent the pawl adapted to be actuated through the medium of the pawl upon a movement of the key plug, substantially as described. V

3. In a registering pad-lock, the combination of ashackle, pin tumbler lock mechanism for securing and releasing the same. including a key plug, a casing for entirely inclosing said mechanism, a dial mounted on the exterior of the casing, and a second case having a sight opening through which the dial is visible adapted to inclose the same, and means for transmitting movement from the key plug to the dial, substantially as described. V 4. In a registering pad-lock, the combination of a shackle, pin tumbler lock mechanism for securing and releasing the same, a casing inolosing said mechanism, a registering dial mounted on the exterior of the said casing, means independent of thelock tumbler mechanism for actuating said dial upon the releasing of the lock tumbler mechanism, and a second casing having a sight opening therethrough adapted to inclose the registering dial, substantially as described. 7 5. In a registering pad-lock the combination of a shackle, pin tumbler lock mechanism folsecuring and releasing the same, 'a casing for the mechanism, a bearing on the'exterior of the case, a rocking'pawlpiw otally mounted on the'bearmg, 'a' serrated ndicating d1al mounted on the bearing, and

means carried by the key plug for rocking 3 pawl, to actuate the dial, substanti ll as described. v i

6. In a'registering padlock,the combina tion of a shackle pin tumbler locking mechanism for securing and releasing'the'same, including a key plug, a casing inclosing the mechanism, and an' outwardly extending bearing arranged on the exterior of the easing, an elongated rocking pawl pivotally mounted on said bearing pin, an indicator dial having a serrated portion journaled on said bearing pin adjacent the pawl and means carried by the key plug for rocking said pawl to actuate the dial substantially as described.

7.- Ina registering padlock, the combination of a shackle pin tumbler locking mechanism for securing and releasing the same,

including akey plug, a casinginclosing the mechanism and an outwardly extend ng bearing pin arranged on thefexterior 0t the case, an elongated rocking pawl pivotally mounted on said bearing pin, an in- I 'dicator dial having a serrated portion jour naled on said bearing pin adjacent the pawl and means carried by the key--plug for locking said pawl to actuate the dial, and a second case having a sight opening therethrough adapted to inclose the dial.

8. In a registering padlock, the combination of a shackle, pin tumbler lockingmechmechanism and plug, a dial substantially coextensive with the casing and arranged thereon, and means for transmitting movement from the key plug to the dial, substantially as described. y

10. In a registering padlock, the combination with a shackle, pin tumbler locking mechanism for securing and releasing the same, including a key plug, ai -rotating dial spaced from the locking mechanism, av casmg havmg a, sight opening through which said dial is visible, and means fortransmit ting movement from the locking mechanism to the dial, substantially as described. 1

11. In a registering padlock, the combinaanism for securing and releasing the same, including a key plug, a caslng incloslngsald mechanism, a bearing pin on sand casing, a-

tion of a shackle, locking mechanism for securing and releasing the same, a casing inclosing said mechanism, a rocking pawl on said casing, said pawl having a cut-away portion therein, a dial arranged adjacent the pawl and cooperating therewith, and a part engaging the cut-away portion adapted to rock the pawl when the shackle is released, substantially as described.

12. In a registering padlock, the'combination with a shackle, a locking mechanism for securing and releasing the same, a casing for said mechanism, a rocking pawl pivotally mounted on the casing, an indicator dial journaled on the casing and cooperating with the pawl, a second-casing having a sight opening therein inclosing the dial, and means for rocking said pawl to actuate the dial, substantially as described.

13. In a registering padlock the combination with a shackle, locking mechanism for securing and releasing the same, a casing for said mechanism, a registering dial j ournaled on the casing and spaced a slight distance therefrom, means projecting through the casing for actuating said dial upon the releasing of the locking mechanism, and a second casing having a sight opening therethrough adapted to inclose the registering dial, substantially as described.

14. In a registering padlock, the combination with a shackle, locking mechanism for securing and releasing the same, a casing for said mechanism, a rocking pawl on said casing, a dial adjacent the pawl and cooperating therewith, and a part having a loose connection with the pawl adapted to rock the same to correspondingly actuate the dial when the pawl is released, substantially as described.

In witness whereof, I have hereunto set my hand on the 26 day of March, 1914.

EVAN J. SHIPMAN.

Witnesses:

R. C. TERRELL, W. J. BELL.

Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents, Washington, D. G.

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