Патент USA US2403667код для вставки
J'uly w 1946.1 R. w; LOVER'NG Y 2,403,615? TIME CONTROLLED SWITCH MECHANISM Filed Dec. 56, 1945 2 Sheets-Sheet 1 1b 50 52. i2, Z7 59 42 i8 9 Reuben W. vLowering 12’ 54 "1,1 .796 25 2'2 19 is 4'2, ttorngs July 9, 194$); ' RQW. LévERiNe ‘ ‘ 2,403,667 TIME cqmnoLLEn SWITCH MECHANISM Fiied Dec. so, 1943 2 Sheets-Sheet 2 118 119 I'qveqtor Reuben W. Levering Attot- mas - Patented July 9, 1946 2,403,667 UNITED STATES PATENT OFFlCE 2,403,667 TIME CONTROLLED SWITCH MECHANISM Reuben W. Levering, Minneapolis, Minn. Application December 30, 1943, Serial No. 516,163 1 Claim. (Cl. 200—-39) 1 2 My invention relates to time controlled switch Fig. 2 is a view similar to Fig. 1, showing the mechanisms and has for an object to provide a switch in reversed position. time controlled switch mechanism, the operation Fig. 3 is an end elevational view of the struc~ of which can be readily reversed. ture shown in Fig. l, with portions of the case An object of the invention resides in providing removed to illustrate the construction of the a time controlled switch mechanism which can switch and supporting structure therefor. be made to either open a circuit at a predeter Fig. 4 is a fragmentary plan view of the struc mined time or which can be made to close a ture shown in Fig. 1 with portions of the case circuit at a predetermined time. and other parts cut away to illustrate the control Another object of the invention resides in pro 10 device for the switch and drawn to an enlarged viding a time controlled switch mechanism which. scale. will function when set in operation to maintain a Fig. 5 is a view similar to Fig. l of a modi?ca circuit closed for a predetermined length of time tion of the invention. and then open the circuit, or which can be re Fig. 6 is a'fragmentary view similar to Fig. 3 versed in operation to maintain the circuit open 15 of the structure shown in Fig. 5. for a predetermined length of time and then close In the operation of radios and other electrical the circuit. appliances, it becomes desirable at times to turn A still further object of the invention resides on the appliances at a predetermined time, as for in providing a mounting movable in opposite example, to turn on the heat under a cooking directions and in supporting a switch thereon 20 utensil or to turn on the radio at the time in a manner to cause opening and closing of the scheduled for a certain program. At other times, switch upon movement of the mounting in oppo it becomes desirable to turn o? an electric circuit site directions. at a desired time. In the cooking of certain foods. A feature of the invention resides in providing it may be desirable to cook the same for a cer a switch mechanism of such character in which (Q Li tain length of time and then turn off the current. the switch may be reversed in position upon the Likewise, it may become desirable to turn oiif the mounting to cause reversal in operation of the radio at the end of a certain program. The in~ switch upon movement of the mounting. stant invention provides a time controlled switch Another object of the invention resides in pivot— mechanism which may be readily applied to a ally supporting the switch upon the mounting clock and means by which either of these func to permit of end to end movement of the switch tions can be readily procured by the simple and to procure reversal in operation of the switch. rapid manipulation of the proper control elements A still further object of the invention resides thereof. in utilizing a mercury switch attached to a swing For the purpose of illustrating the application able support adapted to be moved to tilt the switch of my invention, I have shown in the drawings an from open to closed position and vice versa and ordinary clock l0 in the nature of an alarm in further supporting the switch on the mount clock which may be electrically operated or ing in such a manner that the switch may be turned end for end so as to procure reversal in operation of the switch. Another object of the invention resides in pivotally supporting the switch on the mounting for movement through an angle of 180°, so as to procure end for end movement of the switch, whereby reversal in operation of the switch is procured. Other objects of the invention reside in the novel combination and arrangement of parts and in the details of construction hereinafter illus trated and/or described. In the drawings: Fig. 1 is an elevational view of a clock with. a spring operated, as desired. Inasmuch as the invention does not consist in the construction of the clock, the same has not been shown in detail, though it can be readily comprehended that any suitable clock mechanism such as are now well known in the art, may be used for the purpose. The clock It] shown comprises a case I! having a front wall l2, a rear wall l3 and end walls M and I5 connected together by a curved upper wall [6. The case H is supported on a base 9. Within the case is disposed a clock mechanism indi cated in its entirety by the reference character ll, best illustrated in Figs. 1 and 3. This clock mechanism comprises a front frame 2'! and a rear frame 28 held in spaced relation by means switch mechanism illustrating an embodiment of posts 29 in the customary manner. The said of my invention applied thereto and showing a clock mechanism includes an hour hand sleeve portion of the case of the clock broken away. 55 l3 and a minute hand arbor l9 concentrically 2,403,667 3 4 mounted for rotation carrying the usual minute hand 2| and the hour hand 22, both movable over ates to hold the arm 45 in the position shown in full lines in Fig. 1. A weight Bl), attached to the a dial 23 formed on the front wall 12 of case II and which serves as the face of the clock. These hands are driven by the usual clock gear end of the arm 45, tends to move said arm to its arbor 24 and attached to a gear 33. The gear 33 is driven from a pinion 34 which is mounted on an arbor 35 driven from the gear train of the clockwork H. The cam 32 has an elevated cam surface 35 formed with a notch 39 therein. The 25 wall iii of case H and moves along this slot from one extreme position to the other as shown in Fig. 1. The clip 51 carrying the switch 55 may be ro tated by means of shaft 58 and the thumb piece 53 from the position shown in Fig. 1 to that shown cam 32 is held in engagement with the finger 26 by means of a leaf spring 31 which is attached in 2. When at the latter position, the tube 5'2 is turned end for end and the operation of the switch is reversed. When the parts are disposed as shown in full lines in Fig. 1, the switch 50 is open. When the parts are arranged as shown in full lines in Fig. 2, the switch is closed. When the parts are moved to the position shown in dotted lines in Fig. l, the switch is closed and when moved to the position shown in dotted lines in Fig. 2. the switch is open. Thus, it will become readily comprehended that the switch may be dotted-line position shown in Fig. 1 in which the C1 switch 59 is in its corresponding dotted~line posi tion and closed. It will be readily comprehended train which is not shown in the drawings. that as the gear 33 rotates, the finger 26 passes The clock mechanism I1 further includes an along the surface 35 of cam 3?. and ?nally enters arbor 24 which is similar to the arbor of an alarm the notch 35. When this occurs, lug 39 is with clock used for timing the operation of the alarm. drawn from engagement with the projection 51 This arbor is journaled in the frames 21 and 28 and the arm 46 operated through action of the of the clock. mechanism l1 and protrudes out weight 65 moves the switch from the one position wardly from the rear wall I3 of the case i i, being to the other. provided with a knob 31 by means of which the The switch 59 may be rotated about the axis of same may be rotated. A suitable friction mech anism, not shown, mounted on arbor 24, holds 15 the screw 49 by means of a shaft 58 having a thumb piece 59 secured to the end of the same. the same in position when manually set. Mount This shaft is attached to a U-shapcd spring clip ed on the end of the arbor 24 is a hub 25 which 3| similar to the clip 5| which extends over the has attached to it a ?nger 26 extending out clip 51 and operates in unison therewith. The wardly therefrom. This ?nger is adapted to en— shaft 58 extends through a slot 62 in the upper gage a barrel cam 32 slidably mounted on the to the frame 2‘! by means of a rivet This leaf spring is ?exed so as to urge the cam 32 to ward the ?nger 26 and is provided at its end with a lug 39 which projects through a suitable opening 4| "in the frame 21 and extends into the space between the two frames 21 and 28. he pinion 34 is of such length that the gear 33 may slide axially relative to the same and cause the said gear to remain at all times in mesh with the teeth of said pinion. When the~cam 32 is ro tated, and the ?nger 25 reaches the notch 36, said cam slides axially on arbor 24 through the action of the spring 31 and lug 39 is rapidly moved in a direction towards the face of the clock. The time at which such action takes place is controlled by the position of the arbor 24 which is provided at its outer end with a hand 42 movable with ref erence to' a dial 43, formed on the front wall l2 of the clock. The form of the invention shown in Fig. 1 com prises a mounting indicated in its entirety by the reference numeral 44. This mounting consists of an arm 46 which is brazed or otherwise secured to an arbor 41. The arbor 41 is journaled in the frames 21’ and 28. A boss 48 extends upwardly from the arm. 45 at the locality of the arbor 41 and is threaded to receive a screw 49. The screw 49 passes through the base of a U-shaped spring clip 51 which is rotatably mounted on said screw moved so as to procure reversal in operation thereof by rotating the same through an angle of 180° about the axis of the screw 49. To limit movement of the switch 59, a pin 53 is provided on the under side of the clip 5|. This pin is adapted to engage either of two lugs 64 projecting outwardly from the hub 48. When the switch is turned to either position, the pin 63 11m its the movement of. the switch to either of its operating positions. The disposition of the switch 55 can be indicated by constructing the thumb piece 59 in the form of an arrow, as shown in Figs. 1 and 2, and by placing upon the upper wall 16 of the case suitable characters indicating the function of the switch when the thumb piece 59 points in either direction. The switch after having been released by the cioclr mechanism, must be manually reset. For this purpose, the thumb piece 59 and the shaft 58 are employed. Resetting occurs when and which is frictionally held in position thereby. The clip 5| receives and supports a mercury ‘switch 50. This switch includes a tube 52 of glass or other suitable insulating material having con 60 the said shaft and thumb piece are moved from tacts 53 and 54 at one end and a globule of mer~ when the lug 39 is in its innermost position, a eury 55 movable from one end of the tube to the other. When the switch 59 is tilted to the posi_ cam surface 56 is formed on the depending mem ber 56 which engages the lug 35 and forces the flows tion shown away from in full thelines contacts in Fig. 53 1,and the54mercury and opens spring 3'! outwardly, while the member 56 is c1ear~ ing said lug. By means of this construction, the the switch. When the switch is tilted to the posi tion shown in dotted lines in 1, the mercury bridges across the contacts 53 and 54 and closes the switch. Attached to the under side of the arm 46 is a 70 depending member 55 which has a projection 51 extending angularly therefrom and adapted to rest upon the lug 39 of spring 31 when the same is in its innermost position. The lug 39 and spring 31 serve as a. latching means which oper the dotted-line positions shown in Figs. 1 and 2 to the full~line positions shown in said ?gures. Inasmuch as such movement of the arm 45 occurs switch can be reset after the ?nger 25 rides upon the outer surface 35 of the cam 32. As soon as the cam 56 passes the lug 39, the said lug springs back and release of the thumb piece 59 causes weight 50 to again bring the projection 51 to rest upon the lug 39. The operation of the invention is as follows: The contacts 53 and 54 are connected through suitable ?exible leads ‘68 with the circuit with which the switch is to be used. This may be ac 2,403,667 6 complished by means of suitable plugs, not shown, or in any other desirable manner. If the circuit is to be turned on at a particular time, the thumb piece 59 is turned in the direction shown in Fig. 1 and the shaft 5s moved toward is omitted.‘ This mounting is directly attached to the sleeve I12 by soldering or otherwise, as indicated at I83. When the sleeve I12 is rotated, switch I50 can be moved from the full-line posi tion shown in Fig. 5 to the dotted-line position in which the tube is moved end for end. Thus, it will become apparent that the switch may be ar the right, as shown in that ?gure, until the pro jeotion 5T rests upon the lug 39 of spring 31. The arbor 2% is now turned through the knob 3I until the pointer 42 comes opposite the desired time of day noted on the dial 43, at which the switch is to be operated. When this time arrives, ?nger 26 on arbor 24 enters into notch 35 in cam 32 and the said cam, through theaction of ranged to either open or close upon release by the clock mechanism. It will be noted that the switch I53 is disposed exteriorly of the frame 528. To accommodate this arrangement of parts, the case I II is made slightly wider than the case I 5 shown in Figs. 1 to 4, inclusive. For resetting the switch mechanism, a lever I 84 is employed which is attached to the arm I46 at the locality of the arbor Id'l. This lever projects upwardly through a slot E52 in the upper wall II 5 of case III and is provided with a knob I59 by spring 31, is moved axially along arbor 24 toward the face or front wall I2 of the case II of the clock. This allows the lug 39 on spring 31 to be withdrawn from engagement with the projec tion 5'! and arm 45 through the action of weight 68 drops, swinging the mounting 44 to the left and tilting the switch 58 until the mercury 55 in tube 52 reaches the contacts 53 and 54 and bridges across the same. means of which the same may be manipulated. This lever and knob serve the same purpose as the shaft 58 and thumb piece 5%} of the other form of the invention. The operation of the form of the invention shown in Figs. 5 and 6 is similar to that previ ously described. Reversal of operation of the switch mechanism is procured through rotation of the knob Ill‘ by changing the position of the switch £53 from its full-line position shown in Fig. 5 to its dotted-line position shown in the The circuit is now com pleted and the radio! or other appliance to be actuated is energized. If it is desired to turn off the radio or other appliance at a particular time, the thumb piece 59 is turned toward the left, as shown in Fig. 2 and the same procedure adopted. The degree of rotation of mounting 44 is limited by the pin 63 when the same engages the lugs 64. ,. same ?gure. In Figs. 5 and 6, I have shown a modi?cation The back II3 of case I II is provided with suitable legend indicating the operation of the switch, so that the operator may know by of the invention. In this form of the invention, the clock and actuating mechanism for the arbor the position of the; pointer I‘!!! whether or not the switch is arranged for opening or closing ac supporting the switch is the same as that shown in the other form of the invention and the de scription thereof will not be repeated. The cor responding parts in this form of the invention tion upon release by the clockwork. The advantages of my invention are manifest. The device is extremely simple and can be con are indicated by the same reference numerals as structed at a nominal expense. used for the parts of the form of the invention By the use of a mercury switch, the mechanism will operate con previously described, except that the digit 1 has 40 tinuously without interruption or failure. The been pre?xed to such reference numbers. same mechanism will serve to either open or close In the form of the; invention shown in Figs. 5 the circuit as the operator desires. Suitable leg and 6, the arbor I4‘! is journaled in the frames end. marked on the case of the clock indicates whether the device is set for opening or closing of the circuit. The switch mechanism can be reset I21 and I28, but has an extension I ‘II which pro jects through the rear wall II3 of case III. On this extension is rotatably mounted a sleeve I12 which has a ?ange I13 attached thereto and at any time after the clock has run for a suitable length of time beyond the time of the release projecting outwardly therefrom. Mounted on position. 1 the extension I‘II adjacent the frame I28 is a Changes in the speci?c form of my invention, as hub I74 which is provided with a spring disk I15 50 herein described, may be made within the scope adapted to bear against the ?ange I13. By of what is claimed without departing from the spirit of my invention. means of this construction, friction is afforded between the sleeve I12 and the extension I'll, whereby said sleeve is supported in rotatably adjusted position relative to the arbor I41. A nut I16, screwed upon the end of the extension I'll, engages the end of the sleeve I72 and urges the ?ange I13 into engagement with the disk I15. Having described my invention, what I claim as new and desire to protect by Letters Patent is: In a time controlled switch mechanism, a mounting, means for pivoting said mounting for A knob IT! is secured to the protruding end of movement in opposite directions about a hori zontal axis, a switch carried by the mounting and of the parts carried by the sleeve will be known from the exterior of the clock. The movement of the sleeve I12 is limited by means of a lug I8I direction and closing upon movement of the mounting in the other direction and means for changing the position of said switch from above the sleeve I72 by means of a set screw I78 and M. disposed above the axis thereof and extending in a substantially horizontal direction, said switch serves to rotate the sleeve I72. This knob has a opening upon movement of the mounting in one pointer I79 on it by means of which the position extending outwardly from flange I13 which is adapted to engage either of two ears I82 formed on the disk I75. The mounting I44 for the tube I50 is identical T the axis to a position below the axis to move the switch end for end to reverse the operation of the with that shown in Fig. 1, excepting that clip 6| 7 U switch and time controlled means for controlling the movement of the mounting. REUBEN W. LOVERING.