US2354651A - Switch control - Google Patents

Description

Aug.1,1944. A. BUTTNER "113.51651 SWITCH, CONTROL origina-1 Filed Marchv 27, 1941 INVENTOR. ffzoZzZuZZncf v Patented Aug. 1, 1944 SWITCH GONTR-OL Arnold Buttner, Flushing, N. Y.; assignor of onehalf to Trump Products Corporation, New York,

substituted for abandoned application Serial No.

385,516, March 27, 1941. This application December 13, 1943, Serial No. 514,133

(Cl. 20o-38) 3 Claims.

This invention relates to new and useful irnprovements in switch control means, adaptable for various purposes, the characteristics of which and the application of the vsame will be hereinafter fully described.

The present application is a substitute for an application led by the applicant March 27, 1941, under Ser. No. 385,516. y

With the above and other objects in View, this invention consists of the novel features of 'construction, combination and arrangement of parts, hereinafter described, claimed and illustrated in the accompanying drawing, forming part of this specification, and in which similar characters of reference indicate corresponding parts in all views, and in which:

Figure 1 is a transverse, vertical sectional View of a clock mechanism embodying my invention.

Figure 2 is a front view, partly in section, of my switch control mechanism.

Figure 3 is a similar view, as Figure 2, but with parts removed therefrom,

Figure 4 is a transverse, vertical sectional view, taken on the line 4-4 of Figure 2.

Figure 5 is a transverse, longitudinal section, taken on the line 5-'5 of Figure 3.

Figure 6 is a front view 'of a part of my invention in the process of manufacture.

Figure 7 is a front view of the same part at its completed stage.

Figure 8 is a top plan view of Figure '7; while Figure 9 is a transverse, longitudinal section, taken on the line 9-9 of Figure 8; and

Figure 10 is a plan view of a modified form of an operating part of my invention.

Referring more particularly to the drawing, and especially to Figure 1, the numeral II indicates the housing of an electric clock, having the usual vdial I2, and a motor (not shown), which may be located in a housing I3.

The minute hand I4 is attached to a sleeve I5, which carries a gear I6 cooperating with a gear I1 on a shaft 23, and a train of gears i8, caused to rotate by said motor.

The hour hand I9 is secured to a sleeve 20, which carries a gear 2| meshing with a pinion 22 on the shaft 23 and is caused to rotate by and cooperate with the gear I1 and the train of gears I8.

These gear arrangements, relative to the operation of the minute and hour hands are, however, merely of the conventional construction.

A time indicating hand 24 is secured to a knob 25, which by means of a set screw 26 is securely fixed to a shaft 21 outside of the glass 28 ofthe clock housing II.

A gear 34 is secured to a sleeve 35, which is rotatably mounted on the time indicating shaft 21; said gear 34 is operated by the pinion 22 on the shaft 23 in relation with the hour hand I3. The sleeve 35 also carries a fixed arm 36 to cooperate with the switch closing mechanism, hereafter to be more fully described.

Contact springs 31 and 38 are secured to the insulating frame 3I and are protruding through the openings 39 and 40 therein 'to engage an outer contact ring 4I and an' inner contact ring 42, respectively. These contact rings 4I and 42 are secured to or moulded into'the switch housing 30.

The inner Contact ring 42 is connected by screws 43 to a switch member '44, while the outer contact ring 4I is in conductive connection with a stop 45 by meansof screws or rivets 46, this stop 45 is to engage a loop 41 of the switch member 44, when the circuit is closed.

Referring now especially to the Figures 6 through 9, the switch member 44 is tapered towards one end and open at its inside, to form arms 43, the latter extending towards the center to form tongues 43. This switch member. when blanked by a die, is fiat, as maybe seen in Figure 6.

The end portion 40 of the switch member 44 connecting the arms 48 is then crimped to form the open loop 41, which causes the tongues 49 to bulge out in a belly-like fashion, as may clearly be seen in Figures '7 through 9.

When applying any pressure upon the tongues 49, the arms 43 and'loop 41 are caused to move or give in the opposite direction, while, when the pressure is released the arms 48 and loop 41 will move back to their original position. Itvwill also be clearly seen that it requires only a little pressure or a little movement of the tongues 49 to move the loop 41 a relatively large distance in relation to the tongues 49. In order to cooperate with the switch member 44, a spring arm 59 is secured to a cover plate 5I by means of screws 52. The spring arm 5I] carries at its end a rounded pin 54 to be engaged by the arm 36 in a Contact making position. The middle portion of the arm 50 engages a pin 55 which passes through the cover plate 5I and rests against the tongues 49 to exert the required pressure to bring the switch member 44 in its closed position in relation to the timing arm 36. f

The housing 30 is provided with an extension 56, forming a guide 51 for the arm 36, providing at the same time a stop for the spring arm 50.

The operation of my device is now as follows:

The switch housing 30 with its respective mechanism is set to the correct position, when the circuit is to be closed by means of the time hand 24 and the knob 25. The gear 34 rotating in relation with the hour hand I9 through the pinion 22, will cause the arm 36, guided by the projection 51 to engage the pin 54 of the spring arm 5D, thus pressing the latter towards the switch housing 30.

The spring arm 50 is also pressing against the pin 55 and the latter' against the tongues 49, which will cause the arms 48 and the loop 41 to be brought in contact with the stop 45 (see Figures 4 and 5), thereby closing the circuit between the outer and inner contact rings 4| and 42, respectively, to complete the circuit for the operation of the equipment attached thereto through the contact springs 31 and 38 and wires 58 and 59. The circuit will remain closed for such duration until the arm 36 passes the pin 54, thus releasing the pressure of the spring arm 5B and allowing the latter to return to its normal position against the stop 51. As a consequence, the pressure is also released from the tongues 43, thereby disengaging the loop 41 from the stop 45 and breaking the circuit between the outer ring 4| and inner ring 42.

It may clearly be seen that any desired length of Contact may be obtained by changing the width of the end of the arm 36.

Referring now to my modication, as shown in Figure 10, a disk 60 provided with a notch 6| may be substituted for the arm 35. From the foregoing description it will be clearly understood, that the circuit is closed while the pin 54 is engaged by the outer portion of the disk 60, but that the circuit is broken, when the pin 54 enters the notch 6I, as would be desirable in the use of such equipment, as electric stoves, etc. The circuit for the timing operating device will also be broken, when the slot 6| reaches the pin 54.

It is obvious that slight changes may be made in the form, construction and arrangement of the several parts, as shown, within the scope of the appended claims, without departing from the spirit of the invention, and I do not, therefore, wish to limit myself to the exact construction and arrangement shown and described herein.

What I claim as new and desire to secure by Letters Patent of the United States is:

l. A time switch of the class described, oomprising, in combination, a switch housing rotatably mounted in a frame, contact springs secured to said frame, and contact rings disposed in the switch housing and adapted to engage said contact springs, a switch member arranged in the switch housing and cooperating with a contact ring, a stationary contact mounted in said switch housing and cooperating with a second contact ring and the switch member upon closing of the circuit, an extension upon the housing forming a guide for a Iixed arm and providing a stop for the spring arm.

2. A time switch of the class described, comprising, in combination, a switch housing rotatably mounted in a frame, contact springs secured to said frame, and contact rings disposed in the switch housing and adapted to engage said contact springs, a switch member arranged in the switch housing and cooperating with a contact ring, said switch member having inwardly extending projections, a stop member' mounted in said switch housing and cooperating with a second contact ring and the switch member upon closing of the circuit, an extension upon the housing forming a guide for a fixed arm and providing a stop for a spring arm, a cover-plate closing the switch housing, a pin mounted in said cover-plate and adapted to contact said inwardly extending projections of the switch member, the spring arm being mounted on the coverplate and made to engage said pin, and a. train of gears actuating said switch closing member.

3. In a device, as claimed in claim 2, and wherein a switch member is made with a cutout portion therein to form inwardly extending projections, said member having a comparatively flat body portion at one end thereof and the other' end formed with a crimped loop, whereby to create a bellied shape of the inwardly extending projections, and to obtain a reciprocating movement with respect to said projections and the looped portion.

ARNOLD BUTTNER.

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