US1766179A - Air gun - Google Patents

Description

AIR GUN Sheets-Sheet l Filed Dem 19,

Cmrzsf'leffwr June 24, 1930. c.-F. LEFEVER AIR GUN Filed Dec. 19, 1927 2 Sheets-Sheet 2 Il. I" "l Patented June 24, 193,0

\ The iinvention-1v relates t'oiair of :that

- lwhichthe compression o'fthe'spring is 'ef-1 longitudinallylof the barrel. "They invention 1 more :partieulanly refers to 1 ani4 improvement infthe` lne'chanismatuated -by 1'thehandle'ffor moving' the `,plunger to :gring f position and @compressing the spring? ajndone'-of the oh-y f jects rolf-thelxinvention is fto'p'lrovide a mechansmiwhah Upon moveinentof the' -handle in rearward dire'etionlmoves plunger tozrinfgposition and upon" movementof the i handle inv-aj forwardI directioncompresses j andra;wounded;fuppeigiport Y' x langesheinggapertured'and Yair'nfrgE the' 111- rturiied f flangesi 18 surrounding? the# aperture adjustment;

`the spring.;t yAnother *obje'etisf to provide' fa mechanism which lis ydesignedf1=tozcornpress 1the springY hyrelatively; easy jmovernent of theihandle'. i Further 1. 'object'sfo the i Yinven- -tionfresidein ythe novel: ieatufresy o construeT tion 5and vClomhinations andrai-rangements l:of

Figures 2, 3 'and 4 are erosssefetionalyiews :showing-f the parts 1n diiferentfpositlons of :u .Figure 5 is seetional.y y ie'wxofgthe'lplunger li'anrel llfandi plung'erf abutment 151 'Within false* barrel -fandfhavingdepending *ears 192'? "enihraeing' onwardily? projecting/ears! L13 l{upfon' `the side flanges and Ithe rserew" extend through' thesegears; below y the 12 faslse ba-ir K Ihe'rear fwhenf e'oinpres'sedvto 'nieve thfefplu-nger 7,: :the iside aime i' A13 GUN' Apiiiimimr inea ngembef 191',V iezaffsiyial 241,138.;

for the handle.; extending 7longitudinally he'- v10W thefalsegrb'arr'elgfand lsecured! at 'its rear `end, by :means of the" screwll and -at Vits .frontend bymeans'oktheeliplandserew j l eo having a depending-lU-shaped portion-for f 18,the clipy embracingy the Vfalse barrel and engagement' with theguicle rod andthescrew- Y extending .through this U-"shaped portion yand engaging' in agnotch 19 fforniedin the upper edge ofthe guiderod. l l

20 is 'plungerslidablewithin thefalse barrel in.1 rear; ofiv the 'plunger abutment i 5 and '2l .is a'fplnnger yshank Whiehv'is .rigicllys` secured; Ato the'plungerand extends'rearwardtherefrom; 11ThisV 'shank isv preferably V`Vformed osh'eet metall and has the front tubular portion 221and they spaoedside por- 1 'tions23 4extending?rearwardlyffrom' the,V A

.tubular portion, the upper edges of theside jp'ortionsaat theirre'an ends 4being connected .by the/rounded vtop 24: andthe krear endsfo'f 1the,1si@lje' porti0ns being connected'by the 1 i `1 transnerse .flange 125.? l The roundedftop `forms the fshoulde'ri126 While* thev rearf'flange vifornis vthe Ashoulder '27 engageable withl thesear y28 afonfming part ofy 1 the l trigger'gmeehanism 29.

fisajeoil spring enoirling theshank 21- 'andlfarbutting'the lplunger 2v0fand adapted toward the-plunger abutment.; x n

.S5 1' The aetuating'meehanism fer-' I-novingthe shoulder l27 uponxthefpliinger1shanl is Alfeckinig-ifengagenenti1with theffisear 281g andr vwhen the yhandle is inits'frwardniost":p16-L lever isV pivotally kconnected to the handle while its rear end is pivotally connected to the iront end of the rear toggle lever, the rear end of the latter being upwardly ofl'set and being pivotally connected to the frame in advance ofthe trigger guard. This rear .i iframe. The lin'kw33 has its rear end extendi. ears'and its front end extendingbetween` having an, inverted rU-shape'. This abut-V ment extends between the spaced ysides 23 of ythe plungerk shank andjfor lioldingthe abut-f ment i from accidentaljj disengagement the Vrear ends of itsside flangesV are .formed with ing between and pivotally yconnected to the and pivot'allyl connected to theside flanges 3,7 ofthe vactuating abutment 34:,the latter being 'preferablyformed Voi? vsheet ,metal and Y fthe transverse ,earsy VS'gwhichv extend `outof the extension'sx YWardly. over the spaced' sidel portions 23; and

.. the front ends Yofthe side flanges are formed Y with the y"extensions w39 Y'which' engage: in (the `abutment pivotally connected tothe front4v end of said link for moving saidplunger rearwardly to'iiring position and compresscoilspringSO, the rear; convolution of this Y coilrspring.abuttingthe shouldersV 40 formed upon the Side, flanges l at Vthe opposite edges ,.LNith this arrangement, sit-will be seen that the rearwardmovementl ofthe VKhandle i Tllirst breaksthe toggle. levers 31.andf32 .forcing their connected jendsdownwardly. 'i Then; through the rear togglelever .and the ulink; pulls the actuating 'abutment 34k rearw`ardly,which`:through the ears V38 and the shoulder.l 26 Yforces thel plunger abutment and.plungerl rearwardly, to firing position,

[at which time .the shoulder Y27 engages .the

lSear 28.1f Then uponrforward movement of the handle-l5. the toggle" levers are lprogresrsively;straightened-1` out,v .and throughv` the .reartoggle vlever and the link the `actuating L zabutment -i'sfforcedi forwardly ,to 4 compress vthe coilspringeSO. By lreasonV of the link .'33 being connectedV tothe rear toggle lever 32,2 which 4latter f is connected Ato the. front lever .31,VV vrthe power. .exerted by, the "actuating meclianismfl is-pro ressively Vin-v v creased astlie resistanoezoft ecoil 'spring' 1 i i to. .'compressionv is increased, ,thereby ren- 1 y deringthe forward movement oft-the handle lrelativelyeasy@ Iurthermore,fbyreason of ffsetsear 6,; the Y, pvot, betweenlthe,l link and fears .fis

Y actuating: aber-llame. so .that .the e611 c. V eatedipastcenterY,or.upwardly- .beyond the line between.; vthe 5 pivot connectvlang the rear-togglelever 32 to the'Y frame df. the. PiYOtlConnectng the lnkf to the `l. In an airfgun, the combination with a barrel, of a plunger therewithin, a spring for. moving said plunger,in one direction,v a handle reciprocable longitudinally of said barrel, a toggle lever pivotally connected to 70 Vvpivotallyconnected to said'first mentioned said handle, a second pivotal toggle Y'lever toggle lever, a linkpivotally connected to said second toggle lever intermediate 1 its first mentioned pivots, andfanjfaetuating abutment pivotally connected tosaid vlink` for moving saidjpl'unger to fliringposition Vand compressing said springv upon movev ment of saidjhandle vin oppositevdirections A respectively. n

2. Inlan airV gun, thel combination-with a aforfward direction,- ahandle reciprocable longitudinally of'said barrel, a front toggle vframe and a barrel, ofa plungerjwithin Ysaid, barrel,y a spring for movingfsaid plunger in lever pivotally-connected to said handle, V'a rear toggle lever pivotally connectedrto said Virst mentioned pivots, .and an lactuating ing said spring respectively upon movement lof said handle inopposite directions.

- 3. In an airV gun, the combinationjwith a handle ;.reciprocable longitudinally of said barrel, and means? actuated by said' handle forcompressing said spring, includingxtogwardmost position.

barrel, of a plunger therewithin', aspringfor vmoving said- Vplungerl in one direction,"a

roo

.gie levers held adjacent to said barrel by 'Y said spring whenfthe, handlelisjinits forl fior moving'saidplunger; in one direction, a 'Y handle reciprocable'v longitudinally of' `said barrel. an Y actuating abutment vfor. Y Ysaid* spring, a toggle lever .pivotally connected'jto saidv handle, asecond pivotal toggle lever Y 5.. In anl airgun, the combination with a toggle lever` pivotally connected to said hanpivotally connected to said irst 'mentionedf toggle lever, and a link for moving said? ac- `tuating abutment' pivotally connected to .said 'I second toggleV lever.1at..:apointsuchlrthat y Vwhensaid toggle levers extend'. adjacent to V` .said barrel said spring functions tonormal-` 1y hOld; .Saidvv toggle Vlevers inl place. thelink 33 fbeing connectedto the .upwardly j i i igo frame, anda,- barrehof ayplunger withinV said barrel, a springformovng said p1ng er 1n a Aforward, direction,.aY'- handle il reciprocable longitudinally of said barrel, a front"` dle, a rear.y toggle leveripivotallyconnected to saidgfront toggledever and to said frame llink vbeing pivotally Wardly extending portion. l

6. In an airv gun, the combination with a barrel, of a plungertherewithin, an abutment slidably mounted Within said barrel,- aV

link having one end connected to said abutment, means for actuating' said abutment including toggle levers connected to they 0pposite end vof said link ,andk a spring for moving said plunger engageablewith said abutment tending to urge the latter togetherr- With the link in av direction to yieldably hold the toggle levers ac ent to saidbarrel.

7. In an air gun, the colrnbnation with a barrel, of a-plunger thereWithin, a spring for Vmoving said plunger. in one direction, a

handle movable in opposite directions, a toggle lever pivotally connected to said handle,

' a second toggle lever pivotally connected to f said first mentioned toggle lever, an actu'atl ing abutment slidable Withinjsaid barrel land engageable with the plunger and'spri'ng, and means establishing a connection between said second mentioned toggle lever and said abutment operable rupon movement of the handle in opposite directions :to respect-ively move said plunger to firing position and compress said spring.

` 8. In an air gun, the Vcombination lWith a barrel, of a plunger therewithin, va spring for moving said plunger-in onedirection, a

f handle reciprocable longitudinallyfof said barrel, and means actuated by said handle x l for kcompressing said spring,including togy 'gle levers'held adjacent to ysaidbarrel byl saidspring in'both ytheoompressed and released position of-the latter,

9.A In an air gun, the "combination'vvith av barrel, of a plunger therewithin, a'springfor moving said plunger infone direction, an

actuating handle reciprocable longitudinally ofthe barrel, and means actuated by said handle for `compressing ysaid spring, yinelud- .ing toggle levers heldy adjacent to' said` barrel by said spring in the. compressed posivtionof the latter. j

In testimony whereof I aiX my signature. v

v Y, CHARLES F. LEFEVRE. v

connected to said

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