US1780541A - Spring air gun - Google Patents

Description

Nov. 4, 1930. E. s. ROE

-SPRING AIR GUN Filed Feb. 6, 2a

awuentoz lrzresf 5120a 4 UNiTEos-TA Patented Nov. 4, 1930 TTES comrenior PLYMoUTHJvrIcHIeAN, A-coaPoRATIoiv or vrrcnreen I srmive AIR GUN, i

Application filed February 6, 192 8. 'S eria1 No.'252,307.

This invention relates to' spring air. guns of that type which simulate the appearance 1 of the so-called pump gun and in which the spring is. compressed .by the sliding of the i pump handle on the barrel.

It'is one of the primary objects of the present invention to provide a gun of the foregoing construction capable of producing a report simulating ithat of a rifle without discharging the projectile from the barrel.

In the type of pop guns heretofore used considerable inconvenience has been experienced in the necessity of breaking the gun adjacent the stock thereof for compressing the spring to place the gun in cocked position. -Moreover in this later type of construction it has been usually necessary for the operatorto place the projectile within the barrel so that upon firing the gun the projectile will be discharged from the barrel to produce the desired report. 7 rangement is satisfactory forproducing the desired results it has been found objectionable notjonlydue to the time required to place the gun in firing condition but also due to the number of parts necessary for the efficient operationrof the gun. 1

The present invention contemplates eliminating the foregoing disadvantages by pro- ,viding a pop gun having the pump type operating means for compressing the spring and having means depending upon the operation of the pump for automatically insertlng the.

projectile in the air chamber.

Many of the advantages and muchof the 'commercial'value and acceptability of the invention is attributed to the novel construction of the gun, thesefadvanta'ges being obtained.

. particularly because of the simplicity of the construction and theminimum number of parts employed. This enables the entire construction to be-economically and quickly manufactured and easily assembled andrenders the same strong and durable. The invention therefore depends for some of its advantages upon the specific details of construction which will be made more apparent as this description proceeds especially when considered in connection with the accompanying.

drawings wherein While the foregoing ar-I' PATENT-7 oF-Fics nanns'r s. Ron, or PLYMOUTH, MICHIGAN, ASSIGNCR To THE KING MAnUF-A 'TURING Figure is a side elevation. of a gun ems bodying my invention.

Figure 2 is a sectional view ofthe gun showingthe spring in released position.

F igure' 3 is a view similar to Figure2[ 5 showing the spring compressed and'the parts in position ready for firing, and

line H of'Figure12.

Figure 5 is a sectional line 5..5 of,Fi ure p Referring now more particularly to the drawing wherein like reference characters inview taken on the dicatelike parts, it will be noted that in F igure 1 there is illustrated an air gun 10 havinga barrel 11 anda stock 12. Sleeved within Figure 4 is a sectional view taken on the i the barrel; 11 and secured thereto adjacent the rear end thereo'fis a tubular member 13 normally sealed-at the forward end thereof by means of a suitable projectile 13 whichcooperates with the tubular member to form an air compression chamber. Slidably arranged Within this chamber for'compressing the air plunger, is of sufficient length to engage behind the projection 19 of the trigger 20, in the cocked position of the gun as shown in Figure 3. "Fornor'mally urging the-plunger to the position illustrated in Figure 2 I provide a coil spring 21 surroundingthe shank portion 15-of the plunger'and engageableat the forwardfend with theplunger and attherear end with the trigger housing.

In order to cook the gun, or-in other words, 1

move the plunger rearwardly to the extent that theho oked portion 17 engages behind the projection 19 of the trigger '20 andthereby compress the spring 21, I provide the mechanism indicated generally by the reference nu-.

pump handle 28 having the circumferentially extendinggroove 24' therein. Arranged within this groove 1s an annular member 25 havmoral 9,2; This mechanism comprises the a lateral projection 26 terminating in an upwardly extending portion 27. As shown this latter portion pro ects through an elongated slot 28 formed in the bottom of the bartion of the annular member 25.

rcl'11 adjacent the tubular air chamber 13 and is formed with a diameter slightly smaller than the interior diameter of the barrel 11. With thi sjarrangement of parts it will be noted that the portion 27 performs three distinct-functions in the operation of the gun,

first, slidablysupport. the forward end of the pump handle upon the barrel; second,

forms ahument for the projectile upon firing the gun to retain the projectile within the r barrel, and third, operates upon moving the p np handle rearwardly topositively engage the projectile and move the same into sealing engagement with the forward end of the compression chamber. Thus a triple function is s.-

a eributed to this portion of the apparatus.

Forconnecting the pump handle '23 with the plui'iger I provide a rod 29 having the substantially flat portion 30 at theforward end thereof embedded within the handle 23 and cutaway asat 31 for receiving a por- The rear end of the rod 29 is preferably'offset as indicated at 32 and isadapted to project into the trigger housing 16 and engage the hooked portion 17 of the plunger 1 1. In order to normally maintain the pump handle and rod 29 in their extremeforward or inoperative positions the coil spring 33 is provided. As shown, this spring is secured at the forward end to the barrel and at the rear end to the extension 29 carried by the pump handle 23, the arrangement being that upon moving the handle 23 rearwardly to compress the sprin 21 the spring 33 is placed under tension so that after the gun has been cocked the handle 23 upon being released by the operator will instantation 32 of the latter engages the hooked portion 1'? depending from the shank 16 of the plunger and moves the latter rearwardly to compress the spring 21 and engage the hooked. portion aforesaid behind the projection 19 on the trigger 20. The latter is normally maintained in the path of the hooked portion by means of the spring 34: engageable at one end in the recess 35 and at the opposite end with the forward end of the stock 12. As heretofore pointed out during the compressing of the spring 21 the extension 27 carried bv the handle 23 will operate to move the projectile 13 into sealing engagement with tne air compression chamber. With the parts in this position and it is desired to discharge the gun the trigger is moved rearwardly about 7 extent that the projectile will be forced from the end of the chamber, permittingv the air to escape into; the barrelill; and. through the elongated slot 28 therein producing the de sired report. Upon discharging the projectile from the end of the air compression chamber the former will'stri-ke the extension 27 and accordingly be prevented, from escaping to thee-xteriorofthe barrel. If desired, a suitable opening 36 may be provided on the top of thefbarrel 11 adjacentthe chamber 13 so that the operator may determine whether or not the projectile is in proper sealing engagement with the chamber.

' Thus from the foregoing it will be apparent that the herein described arrangement offers the possibility of using a novel type of pump actuating mechanism for simultaneously compressing the spring of a pop gun and loading the same in which the usual foldinglinks and their accompanying inefii cienjciesare dispensed Withan'cl one in which the freque cy of operation is greatly increased owing to the comparatively short tii erequired to place the gun in firing con- Clc lOll,

Another novel feature of construction of this invention, which contributes materially tothe'reduction in cost of manufacture and. tot-he general appearance of the, gun, is the provision of a'trigger member formed from a single sheet of metal and having a portion simulating the usual trigger guard construction.

What I claim as my invention is:

1. In an air gun, the combination with a barrel having an air chamber therein and an elongated slot adjacent to said air chamber, of a projectile adapted to close said chamber, a spring actuated plunger for compressing the air within said chamber and discharging the said projectile therefrom, and compression mechanism for said spring including a pump handle having a projection extending through said slot and terminating with-in sa-i'd barrel in an enlarged portion for slidably supporting the handle upon the barrel, 'said enlarged portion also being operable in one position o fthe handle to formstop for said projectile and operable in another position of the handle to move the projectile into sealing engagement with the chambe '2.. I'n an air gun, the combination with a barrel having an air chamber therein, of a member adapted to close one end of said chamber, a "spring actuated plunger for compressing the air Within the chamber, compression mechanism-for said spring includ- 7 ing, a pump handle, an element operatively' connected to the handle and engageablewith vthe plunger for actuating the same tocompress the spring, and asecond element connected to the handle for slidably supporting the'same upon the barrel'and having a por- 'tionprojecting into the barrel and operable 1 Iupon movementofthe handle in compress ng the springtoengage the member aforesaid and move-thesame into sealing engagement I with the chamber, said second'element alsov having a portion engagingand securing the V first mentioned element to the handle.

' 3.In an air gun, the combination with a barrel having an air chamber therein, of

a member adapted to close one end of the chamber, a spring actuated plunger for coma pressing the air within the chamber, and com pression mechanism for the aforesaid spring including, a pump handle, a longitudinally extending rod extending rearwardly from said handle and engageable with the plunger for actuating the same to compress the spring, and an element connected to the handle for slidably supporting the same upon the barrel and having aportion extending into the barrel operable upon movement of the handle in compressing the spring to engage the member aforesaid and move the same into sealing engagement with the chamber, said element engaging-said rod for see curing the same to the handle.

,4. ln an air gun, the" combination with a barrel having an air chamber, of a member adapted to close one end of said cham-V her, a spring actuated plunger for compressing the air within said chamber, compression 40 mechanism for said spring including a pump handle, an element projecting from said pump handle and engageable with the V plunger for actuating the same to compress the spring, and a member for slidably supporting the handle upon the barrel having a portion extending into the barrel and engageable with the closure member aforesaid for moving the same into sealing engagement I with the chamber, said member having a secend portion embracing the'handle and engaging the element aforesaid for securing the latter to the handle.

In testimony whereof I affix my signature.

' ERNEST S. ROEL

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