|Publication number||US2101479 A|
|Publication date||Dec 7, 1937|
|Filing date||Mar 22, 1935|
|Priority date||Mar 22, 1935|
|Publication number||US 2101479 A, US 2101479A, US-A-2101479, US2101479 A, US2101479A|
|Inventors||Schenk Cleveland H|
|Original Assignee||Schenk Cleveland H|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (59), Classifications (10)|
|External Links: USPTO, USPTO Assignment, Espacenet|
Dec- 7, 1937. c. H. SCHENK I NIGHT TARGET RANGE FINDER Filed March 22, 1 .935 2 Sheets-Sheet 1 NVENroR.
Dec. 7, 1937. c. H. scHENK v 2,101,479
NIGHT TARGET RANGE FINDER Filed March 22., 1935 2 SYM-2erS--SheefI 2 Mizm I N V EN TOR.
Patented Dec. 7, 1937 UNITED STAT-ES PATENT OFFICE NIGHT TARGET RANGEFINDEB,
Cleveland H. Schenk, Springfield, Ill.
Application March 22, 1935, Serial No. 12,342
2 claims. (C1. 24o-6.4.1)
My invention relates to night target markers contact with the light bulbs in this form of the and more especially to targets-for guns for oiinvention.
cers of the law; an object being in my device to Figure lliisa perspective of the control switch provide a more -practical and convenient target adapted to operate the lights in this form of my 5 marker fortnight service than that one for which invention.- 5 I filed patent application November 2, 1934, Figure 12 isa perspective illustrating the opbearing Serial No. 751,191. erating advantages of my invention when in the A: purpose of my invention is to put to use handofanoicer ofthe law at night. The target some more rened improvements in such target range finder throws a. strong spot of light on the l0 markers, which I have devisedand which I have spot wherea bulletfrom a rifle or riot3 gun may 10 found-to. be both practical and economical to be expected to hit when the light and gun sight build and operate, as well as to be convenient are 4properly adjusted for its operation. to 'manipulate. Referring now to-thedetails of construction A particular purpose of'- my improved device of my improved targetrangevnder, I provide 15 is to provide a new means of marking a night a casingIhaving-,an upper compartment 2 and 15 target, a better illumination for the target and a. lower compartment 3. This casing is adapted greater convenience in the manipulation of the tO- be resiliently and Sldably Secured t0 a gun target marking light. barrel ;as is :shown in Fig. 12 by sliding this grip I.; attain the objectslofmy invention with the member. 4xback on the barrel of the gun and this device described-in the annexed specification, regrip member is slidably held in groove 5` for 20 cited in the claims and illustrated in the accomthe -supportzofcasing I.
panying drawings in which like reference nu- Irl the upper COmDItmeDt. I DIOV'ie in an meralsindicate like parts-in the several figures. adjustable mounting 5' a plano-Convex lens l Referring to the-figures; mounted in the forward end of compartment 2 Figure 1 is a, 1ongitudina1 half-Section of the for the purpose of focusing the illumination from g5 rifle or riot gun type of target range finder of light bulb 8 to a` bright' spotof light shown at my-finvention. 9-in Figure 12. This light bulb has a reflector Figure 2 is a, front View 0f the device shown in I0 irl-Which it iS adjustably mounted and Which section in Figure 1. is in turn mounted for further adjustment in a Figure 3 is a cross section of my device taken ring` ll Suppmting adjusting SCrGWS l2, l3 l4 3() from 3 1-,0- 3 ,ou Figure 1 and I5 adapted to be used for the lateral adjust- Figure 4 is. a perspective of the mounting ring ment either up or down or sidewse of light 8 adapted to hold the screw shown in Figure 3 by When fOCuSng the SDOt 0f light Where it is dewhich adjustments are made in the position of Sil'ed t0 throw it.
the light in the top compartment of my night These screws-are each mounted in ring II in 35 range fmder, cross Wise slots soas to permit the desired lat- Figure 5 is a rear view of the control switch for eral adjustment 0fA lightV bulb 3 Which they Supthe lights usedin my invention. Port- Figure 5a is a vertical half section of the In'addllton-to` thisconvenience provided in t0n 40 Swii-,uh-as viewed from the right of Figure 5, compartment: 2 I also provide a reflector tube I6 40 Figure 6 is an enlarged detail of the terminal Shapedn a manner making the Same Smaller at from the batteries adapted to contact with the the forwar @d @han it is at th? rear end in ccntrol switch diameter w1th 1ts mner surface polished so that when the light coming from bulb 8 is thrown for- Flgure 7 1s a' longitudmal half sect-lon of the wardby reflector Illthis illumination as it leaves 45 revolver type of target range nder of my m" the casing through lens l throws a stronger light vemfwn' around the focused spot of light 9 (see Fig. 12) Flgure 8 1s a from' new of the del/10e Shown m thus enabling the o lcer using the same to better Figure 7 in Sectionobserve the target and its surroundings. At the Figure 9 1S a Perspective 0f the mountmg rmg rear` of casing I is a-detachable closure II adapt- 50 adapted t0 adjustably Support the target range ed to seat over pin I8 and snap into hole I9 where llding light bulb in the upper cmparlmerlt 0f -the hole in pin 2li-'is resiliently held in place by a my invention. spring 2|.
Figure 10 is a perspective of the plate used The lower compartment 3 supports a forward aheadof the batteries for supporting the metallic lens 2tv adjustably mounted in a supporting ring 55 23 which also supports a reflector 24 and a light bulb 25.
Batteries 25 and 21 supply the current for bulbs 8 and 25 and are operatively contacted with each other by contact member 28 while bulb 25 makes a constant resilient contact with strip 29 while the current from batteries 26 and 21 passing through wire 38 back to the rear of casing makes resilient contact with switch member 3| through wire 30.
As an explanation of the switch control lights 8 and 25 it may be said that the single control member 34 is adapted to be slidably moved in a slot 4| in insulating plate 31 and this control member has a contact end 38 pressing against the switch members 33, 39 and 40; as the single contact member 33 touches the battery 26.
It will thus be noted that when it is desired to turn on light 8, then the switch control member 34 will be slidably moved over tocontact switch member 43 so that this member 40 may be placed over against contact member 35 which will carry the battery current to light 8. Where it is desired to have both lights 8 and 25 on at the same time, then switch control member 34 is moved over in slot 4| far enough to press against switch member 39 in the middle moving the same out to meet contact members 3| and 35 which will carry current to bulb 8 and bulb 25 but where it is desired to turn on only bulb 25, then the switch control member 34 is moved over in slot 35 far enough to meet switch member 33 causing the same to meet switch contact member 3| carrying the battery current from member 32 through contact member 3| by touching switch member 33.
It will be noted that the battery contact 32 and the switch members 33, 39 and 40 are all integral, while switch member 4U touches contact 35 when pressed into engagement therewith, switch member 39 touches both contact members 3| and 35 when pressed into engagement therewith by slidably moving control member 34 and switch member 33 touches contact member 3| when turning on light 245.
It will be observed that when screws 2, 3, 4 and l5 rest in cross slots 36, 31, 38 `and 39 that any lateral adjustment desired may be made in the supported position of light 8 and reflector l0.
In this lower compartment is also mounted a partition and conductor member 40.
In Figure 7 will be observed the revolver type form of my casing wherein the grip member 4 slidably engages a revolver barrel not shown as this grip is slidably adjusted in groove 5.
In this form of my casing, I secure the planoconvex lens 1 in the forward end of upper compartment 4| in connection with which I provide the reector tube 42 extending from lens 1 back to the mounting for bulb 43 which is mounted for lateral adjustment in ring 44 having adjusting screws 45 and 46, with screws 41 and 48 not shown.
In ring 44 screws 45, 46, 41 and 48 are respectively mounted for adjustment in slots 49, 50, 5| and 52.
The shape of this casing requires an arrangement of the batteries 53 and 54 in a manner permitting battery 53 to be supported in the upper compartment 4| of this casing 55 vrith battery 54 resting parallel with battery 53 but in lower compartment 56 of this casing the closure member for this casing is the same in construction as closure |1 for the first form of my invention shown in Fig. 1 and will be so designated while the latch members are the same.
I provide a lower light bulb 51 mounted in socket 58 at the forward end of lower compartment 56 in casing 55 while I provide a partition plate 59 rearward of bulbs 43 and 51 and forward of batteries 53 and 54 to provide a partition between the batteries and light bulbs as an insulation member and yet to support the contact member 6B which establishes connection between batteries 53 and 54 and bulbs A43 and 51.
I secure a series connection between batteries 53 and 54 through contact strip 6| which conducts the current from the forward end of battery 54 back between them to the rear end of battery 53.
Thus it will be observed that in this type of my invention, while it would be convenient and practical to have the lights turn on one at a time yet it is thought that it will be most desirable to have both lights in most cases turn on at the same time.
Switch contact member 62 is made to contact with battery 54 and is turned on by switch control knob 63 mounted in closure member |1.
It will be observed in connection with my invention that I provide in the electric light bulbs 8 and 43 for instance, a filament that is peculiarly designed and effective for this invention; wherein the filament being coiled from one end to the other in the direction longitudinally aligned with the tube in which it is mounted. Thus by ceiling this filament in alignment with the reflector tube there is secured on the bright spot of light a circular image of the filament making the focused spot of light more readily observed.
It will be noted also that lens 1 is especially manufactured for this particular target range finder and this lens is shaped in a manner making it fiat on one side and also flat on the other side with the exception of a central smaller middle portion which is convex. The purpose of this type of lens seen used with reector tube I6 is to provide means for throwing the illumination which passes through this lens much more brightly and greater around the focused spot of light, thus better illuminating the target and its surroundings.
With this construction this invention establishes a substantial improvement over the novel features shown, described and claimed in my former application and what I claim in this new and improved invention and desire to have protected, is:
1. A night target range finder for guns comprising a two compartment casing provided along the top with an elongated resilient grip slidably secured to the casing for engaging a gun barrel for the support of the casing, the upper of said compartments in the casing provided with a light, an adjustable mounting for the light, With a plurality of adjusting screws; said mounting with said light disposed adjacent the rear of the top compartment in the casing, a lens adjustably mounted in the forward end of said upper compartment; said lens having a central concentrating portion and a peripheral portion having plane parallel faces and an adjustable reflecting tube extending a major portion of the distance from said lens to said light and having a greater diameter at the rear end than the front end, an integral second and lower compartment in said casing, an electric light mounted adjacent the forward end of said compartment, and lens means cooperating with said light, batteries mounted in said casing and operatively connected with both of said electric lights and an electric switch op eratively connected in the circuit between said batteries and said lights for the selective control of said lights; whereby the operator may turn on either light by itself or both lights together and whereby said upper light with its lens may focus a bright spot of light on a target and whereby a ood of light may be thrown about said focused spot of light when desired.
2. A night target range nder for guns comprising a two compartment casing provided along the top with an elongated resilient grip slidably secured to the casing for engaging a gun barrel for the support of the casing, the upper of said compartments in the casing provided with a light, an annular mounting band for the support of the light and provided with a plurality of transverse slots, adjusting screws supporting the light and respectively held in said slots for the selective lateral adjustment of the light; said mounting with said light disposed adjacent the rear of the top compartment in the casing, a
lens adjustably mounted in the forward end of said upper compartment; said lens having a central concentrating portion and aperipheral portion having plane parallel faces and an adjustable reflecting tube extending a major portion of the distance from said lens to said light and having a greater diameter at the rear end than the front end, an integral second and lower compartment in said casing, an electric light mounted adjacent the forward end of said cornpartment and lens means cooperating with said light, batteries mounted in said casing and operatively connected with both of said electric lights and an electric switch operatively connected in the circuit between said batteries and said lights for the selective control of said lights; whereby the operator may turn on either light by itself or both lights together and whereby said upper light with its lens may focus a bright spot of light on a target and whereby a flood of light may be thrown about said focused spot of light when desired.
CLEVELAND H. SCHENK.
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|U.S. Classification||362/184, 200/60, 248/49, 362/191, 362/110, 362/188|
|International Classification||F41G1/35, F41G1/00|