US1250605A - Burglar-trap. - Google Patents

Description

1.1. LUTKIEWICZ.

BURGLAR TRAP. v

' APPLICATION FILED IUNEQ. 19|?.

Patented? Dee. 18, 1917:.

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` v APPLICATION JUNE 9.1911.

1,250,605. f Patented Dee. 18,1191?.

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BURGLAH TRAP.

APPLICATION FILED JUNE 9. |911.

1,250,605. Patented De@.18,19w.

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-1. J. .LUTKIEWICLl BURGLAR TRAP.

APPucATloN FILED JuNE 91911.

1,2502695., Patentd Dec. 18,1917.

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LA: attoamu M v JOSEPH :.Ln'r'iinwica orrnimrsnunonio. i i.

Tol all tv wm 1f/may concern:

' :wICz`, a citizen of Russia, resident-of Perrysburg,county of Wood, and State of Ohio, havefinvented certain". new fand usefuly linprovements in Burglar-Traps, of `which Vthe following isa specification. i a e This invention relates `to means for detainin burglarsor Votherpersons when unauthorizedly within a building, and has asjits principal object the provision of a theft preventing device wherebypersons entering a building may be detained until released.

.' A further object is toprovide means which causeshutters `to `automatically closey 1 lbefore windows and-doors,- completely barring f the 'exit therethrough, thereby preventing the egress of any individual'[contained-.iin the building, land whilek thisl invention iis particularly adapted forthe use ol banks, jewelers and like places where `valuables are displayed and stored, it is equally v'applicable to any building or room whatever inwhich it is desired to protect the contents n These and other likeobjects arewattaiued by the novel construction'and combination of parts hereafter described and shown in the'accompanying drawings, forming a inaterial part of this disclosure, and in which Figure 1 is a vertical sectional view taken through one of the automatically `operated descending platforms. ,l p A* Fig. 21s a sectionalviewfof the saine takeuon line 2-2 of Fig. 1. p. .Fig 3 is a perspectivey view showing the resetting or rewinding means employed.

Fig. 4 is a vertical `sectional view'showing. the application ofa shutterplate .to a' doorl or window. v f .i i Fig. 5 is a sectionalviewtaken'fon line 5- 5 ofFig.`4. l

Fig. ,.6 :shows an adaptation of the shutter operating means.`

Fig. l is a perspective view of thelocking" device used in connection therewith.. Y

Fig 8 is a perspective view looking'from the interior of a building and indicating the Vapplication of the shutterto a door, and

Fig.. 9 is a similar perspective. viewindicating the applicationof a shutter toa wing-2.,a number of cables 50, 51, and 52vare'seen to be secured by brackets 54 to the edge of the counterweight 25, the cables being guided dow.

In the drawings, is shown a structure having four standards 11, the lower ends of Which are rigidly set inthe abutlnents 12,

Specieation of Letters atent.'

` Application filed June9, 12,17*. Serial Noi-173,822; f v

improvements in i Patented necgfiafiaiv.

the standardsassi'sting in'the'support of the .y

Hoor 14, level Withwhich is a :rectangular j platform 15', normally held ina raisedposi'- tion V'bytransverse bolts 51.6, four of `which areV indicated. f

Theserbolts` are slid'ablyarranged ward bythe coiled springsy 19,l arranged `in recessesV at thetop of the bracket wFleXible cords 20-engagefwiththe inner bracket 18,- and fare 1 normally pressed. outend of the bolts 16,l the same passi'ngover pulleys 21,;and being attachedrto raspider 22,l actuated'by a plunger 28,: provided with an extending buttonhead 24, which upon being depressedcauses the bolts to-.be retracted` permitting the *n platform to descend funderits own weight, together with that o theperson or persons upon thesame.

.--A counterweight 25 upon which the' bracket hub 3 3 normally rests, is secured on the upper endiof a bar 27.', affixed in the bracketl hub 33,- the lower end of the` bai` Vsliding in a cylindrical, bushing 28, seti in .thefoundation 29, and furnished' with` a coiled Vbuffer spring 3Q. y f I Attached to' the hub of is a `flexible cable 84, running over agpulley vguide pulley 38 attached below, the floor the .bfaeket is 'i 35, attached to the lowersidegof the plat- 14 to` a drum-.40, mounted inv the bracket'`h 41, andprovidedwith aV pinion-42,;.w'itn which is engaged a spur gefar43, ymountedon avshaftl 44, and driven manually-by the` crank'handle 45 so as toraise the, platform into an operative position atte-rits descent,

lockingdogs 46 being providedgso gas to prevent unwinding of 'the cable., at undesirable times. i l

and that he or they, together with theplatterweight, will ydrop instantaneously 4into a From the foregoing, itwillbe understood that the person operatingthedevice `must stand substantially central of the platform 15 in order to press .the release plunger 24,

compartment.,Ioffhwhichi the standards 11 `i form a portion of the walls, the depthof theV compartmentfbeing such as toirender it impossible for vthe person'to climb out.

i Referring now particularlyy to .-Figs. ,1: and

by pulleyes' 55, securedy vbelow the floor in whichl the platform' 15 is located, these cables the shutters to a door and window respec-V tively.

In the former, the cable 50, after passing over the guide ypulley 56, is attached to anV arm 57 at the bottom of tliesliutterplate 58, the same having its upper edge level with the floor. lagand closely adjacent to thedoor 60, so that when the counterweight descends, the cable 50 is drawn by it, raising the shutter.. so as to completely cover thek door surface. 0n the opposite side of the doorisai'emovable Vslate GO,v the same serving. as a cover. for the compartment 6l, in which is attached by a bracket 62, a lever 63, pivoting on the spindle 64;, and having at f its lower end a roller 65,adapted to Contact with the shutter plate 58 and be moved byV .thearm 57 when'the cover is raised to its eXtreme height, the roller 65 ultimately engaging Within a recess 66, formed in the bottomv of the arm 57,- thei'eby holding the shutter in a raisedposition.

A footlever 68, is pivoted on the spindle 69, carried by the bracket 70,'also attached within the chamber 61 and having a curved extendingportion 71 engageable withan eX- tending element 72 formed with. the lever 63, so that removing the cover (lO-and depressing the lever 68, the roller b5v is drawn from engagement with the recess 66, allowing the shutter to drop by gravity, raising'the counterweight to its initial position, a spring 73 being so attached to the extension Z2 as to holdthe roller operatively engagedVY under normal conditions, it being understood that the platformis` to be raised by means of the drum 40 beforev the shutter plates are released. I

Nhenthe levei' (5B-is depressed, contact is also made with electric connections, indicated by the button 75, thereby announcing thel fact-that thershutter has been raised.-

In Fig. '9 is shown an adaptation inwhich a similar shutter S0 is raised by the cable 81, attached to thearm, the shutter rising through the` recess formed back of the 'door l14 in the partition S2, and `then through the sill 83- to a point` in front of the windows 85, a compensating weight 82 being freely vattached by a bight of the cable, Abetween theY pulleys STand 88,r both of vwhich 'are attached below the `Vfloor in Van' obvious manner.

From the foregoing,lit will be seen when Copies ofthla patent may be obtained 4for the trap is operated, the platform descends,

' and simultaneously with the descent the several shutters indicated are caused to close the openings to the room in which the platform is located, completely barring egress through the windows or doors thereof.

' It will be further evident that an-y'number of. shuttersniay be operated with equal facility by the movement of the platform, the weight of which issuliicient to-,partially counterbalance. the combinedy weight' ofthe several shutters. employed whicht is in excess of the counterweight, thus formingvzal trap whichl will effectuallyA detain persons` entering thei'oom unauthorizedly until such time as they may be released.

Having thus described my invention, what I claim asy new, and;desirerto secure by Let:- ters` Patent, is Y q l. Ina burglar trap,pthecombination with a room in a buildingfhavinga floor and openings in the walls, of a platform in said. door, a plurality of slidable bolts, supports therefor, means for is released, means for guiding saidv platform in its descent, a counterweight operatively engaged withsaid'platform, a pluralityof Vcables engagedjwith said counterweight,y

` therethrough, ineansfor holding,-saidshutters when in a raised position,` and means for manually releasing saidishutters.

actuating ,all of; said bolts simultaneously'v whereby saidf platform '2. In a burglar trap, the combination with a room in abuildiiig having side wallsand a pit below, of a'verticallyfmovable plat- -forinover said pit, a pluralityof. supports walls, means engaging therebetweei'i whereby said shutters are .ia-isecl, means foivlioldiiig said shutters in a normally raised position, and ineansy accessible through Vthe flioor whereby said shutters may :be releasedand said counterbalance returned to itsV normal position. l i

In testimony whereof I have ailixed my signature. Y

JOSEPH J. LUTKIEAIVICZ.-

five cents each, by addressing.the.(omxnissinner..ofPatenteI Vlashington,il).G.v p Y

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