US1982301A - Burglarproof door for banks - Google Patents

Description

Nov. 27, $34.. R. A. HARVEY ,9

' BURGLARPROOF DOOR FOR BANKS I Filed Oct. 8, 1929 s Sheets-Sheet 1 W 6441mm oz Nov. 27, 1934. R. A. HARVEY 1,982,301

BURGLARPROOF DOOR FOR BANKS Filed Oct. 8, 1929 3 Sheets-Sheet 2 I NQV. 27, 1934. R HARVEY 1,982,391

BURGLARPROOF DOOR FOR BANKS Filed 001;. 8, 1929 3 Sheets-Sheet 5 3+ 2 V v I E I Patented Nov. 27, 1934 v UNITED STATES PATENT OFFICE BURGLARPROOF DOOR FOR BANKS Roger A. Harvey, Binghamton, N. Y.

Application October 8, 1929, Serial No. 398,246

4 Claims. (Cl. -1.01)

My invention relates to a burglar proof door C travels in a casing 6. Two forms of mechafor banks and provides a motor operative door in nism may be employed to impart movement to which the power for its motion is conveyed by a the door. One form is shown in Figures 1, 2 and flexible shaft. 5, and another form is shown in Figure 6. In

6 One of the objects of my device is to provide the form shown in Figures 1, 2 and 5, a gear 7 a simple and effective mechanism for raising mounted on a countershaft 8 meshes with the and closing the doorway leading out of a bank rack 5. This gear 7 is engaged by a smaller gear building. I I mounted on a second countershaft 8, on which A further object of my invention is to provide shaft is also mounted a. bevelled gear 33 on the 10 an exit closing device, comprising a plurality of end of the shaft 9 having a flexible portion D. removable means arranged and concealed, adja- This shaft 9 is the driven shaft of the motor E. cent to a doorway; also to provide a doorway In the form of driving gearing shown in Figure including a door with a plurality of members 6, bevelled gears are not employed and it is on the opposite side of the doorway, so as to unnecessary to employ the second countershaft l5 operate in contact with the door on the movement 8'. The gear 35 on the end of shaft 9 meshes of the same. I directly with the gear '7. In this arrangement Another object is to provide a door described, the motor may be disposed at rightangles to the which may be lowered and raised under the action plane of gear 7. of an electric motor under control of switches Mounted upon the inner side and opposite the so located at different parts of the structure in edges of the door B, are the lock bolts 10 sup- 76 which the doors are installed. ported by lugs 11, which bolts are adapted to With these objects in view my invention conpass into recesses in the guides 2, as shown in sists of the following details of construction and Figure 1. Surrounding each bolt 11 are coiled arrangement of parts as are more clearly hereinsprings 12, and at the inner end of each bolt 10 25 after described, and pointed out in the claims, are pivoted handles 14 for withdrawing the bolts reference being had to the accompanying draw- 11 when they have been projected into locking ings, in which:- engagement.

Fig. l is a front perspective view of my device. As a further part of my device, I have mounted Fig. 2 is a rear perspective view of my device. in any convenient manner beneath the floor 3,

39 Fig. 3 is a front view of a. fragmentary part of and outside the casing A on a line parallel with my device. the under floor surface, the bolts 15, 15, adapted Fig. 4 is a side view of a detailed part of my to pass thru the casing A, and thru openings device. in the guides 2, 2 and adapted to enter into re- Fig. 5 is a plan view of a modified form of cesses in the outer edge of door B. The bolts 15, as driving gearing. 15 are slidably mounted in the casing A, and in Fig. 6 is a perspective view of the gearing in the lugs 16, 16, and have mounted about them my device. the coil springs 17, 17.

Fig. '7 is a detailed part of my device in cross A further part of my device are the openings section. 10 and 16, respectively, in the guides 2, as shown 40 The same reference characters denote like parts in Fig. 3, to permit passage through the guides of in each of the several figures of the drawings. the bolts 10 and 15 respectively.

In carrying out my invention, as indicated in The guides 2 may be provided with a recess Y the drawings, A represents a doorway leading to be engaged by a contact member 18 hinged at into a bank or other building, and has mounted 19, and in the movement of the door B upward,

46 in the casing thereof parallel guides 2, 2, adapted adapted to be turned on its pivot upwardly until .100

to guide the movement of a door B, which is it contacts with the recess Y in the wall guide 2. normally positioned below the floor 3 of the This contact member will close the circuit to the bank building. bell F, which circuit includes the wires 30 and 31,

The top 4 of the door B is adapted to be posiwith a suitable source of electricity such as a suit- ",i fi? tioned flush with the fioor 3 of the bank building able battery. The motor circuit includes wires 21 9 when the door B is concealed in the lower pocket and 22 leading thereto. The wire 22 leads from of the doorway. the motor to lug 16 on the left, while lug 16 on the Secured on the lower end of the door is a shaft right is connected by wire 23 to wire 22. Mount- 0 provided with a rack 5 which may extend, if ed beneath the floor 3, in any suitable manner, on

32 desired, to the very end of the shaft. The shaft opposite sides of the doorway, are contacts 24 and 25 normally engaging the outer ends of the bolts 15. In the motor circuit there is a switch 20 for controlling a supply of current from a suitable source through the wires 27 and 29. The wire 21 is connected also to the switch, and the wire 28 connects the contact 25 with the switch.

In the operation of my device, the switch 20 is closed, and the current through wires 21 and 22, starts motor E which revolves shaft 9, and flexible shaft D. As is shown in Fig. 6, shaft 9 has mounted upon it gear 35, which meshes with gear 7, which meshes with rack bar C, and starts the door B upward. When the door starts upward,"

pivoted plate 18 is moved upward and contacts in recess Y in guide 2 by the current passing over wires 30 and 31, causing bell F to ring. The door continues to rise until recess 15 is opposite to pin 15. When recess 15 is opposite pin '15, pin 15 is forced into the recess 15' by the pressure of spring 17. When pin 15 enters into the recess 15 pin 15 is'pulled away from contact plate 24 by action of spring 17 and the electrical connection with motor E by means of wires 22, 23 is cut off.

This breaking or separation causes motor E tov stop. At the same time pin 10 at top of door B is forced into recess A, by spring 11. If an attempt should be made to lower the door B before switch 20 has been turned off, pins 15, 15 are forced into the normal position against contact plates 24 and 25, which causes motor to start again, raising doorB to its raised position. To ordinarily lower door B to its recessed position, switch 20 must be turned oif, and pins 10, 10 moved out of recess by pressure on handle levers 14, bolts 15 withdrawn by hand, and the door moved downward by manual pressure. When the door, is down, spring 19', in the alarm switch moves plate 18 back to its original position in the recess in the top of door B.

Having thus described my invention, what I claim as new and for which I desire Letters Patent is as follows:---

1. The combination with a motor operated sliding element comprising an electric circuit and switch therefor, of a contact included in said circuit, alocking bolt normally engaging said contact with the circuit closed, and mechanical means for automatically moving said bolt to its locking position and away from said contact to open the motor circuit when the sliding element assumes a predetermined position.

2. The combination with a motor operated sliding element comprising an electric circuit and switch therefor, of a pair of spaced contacts included in said circuit, locking bolts normally engaging said contacts with the circuit closed, resilient means for projecting said bolts away from the contacts to their locking positions when said sliding element assumes a predetermined position to open the motor circuit, additional spring infiuenced means for locking said element in its last mentioned position, and manually controlled means for releasing said last mentioned means.

3. An automatic closure device comprising a sliding closure element having a recess for receiving a bolt, guides for the closure element having an opening for registration with the recess in the closure element, a movable bolt adjacent the guides and adapted to be projectedthrough a guide and into therecess in the closure element, an electric motor for operating the closure ele-- ment,anelectric circuit for the motor, and a controlling switch in the circuit, a contact member in the circuit normally engaged by the movable bolt, and mechanical means operating to move the bolt through the opening in the guide and into the recess in the closed element, and for opening the circuit to stop the motor when said closure element has been moved into a predetermined positionby the motor.

4. An automatic closure device comprising a frame having vertical guides provided with an opening, a bolt adapted to be projected through the opening, a closure operable in the guides and provided with a recess for registration with the opening in the guide to receive. the end of the locking bolt, an electric motor for operating the closure, an electric circuit for'the motor, and a controlling switch in the circuit, a contact memher in the circuit normally engaged by the bolt, and a spring operating to move the bolt through the opening in the guide and away from the contact to open the motor circuit and into the recess in the closure element when said closure element has been raised to permit its recess to register with the opening in the guide.

ROGER A. HARVEY.

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