DEV0002091MA - Adjustment device for camera lenses - Google Patents

Description

Aamelderlnt Voigtlander ft Sote Aktiengeseilechaf t

Braunschweig, Gampe · straße?

Gteg enetandi Eiaetellvorrtohtung for the lens in photographic cameras

The subject of the Brfinduag is a device for photographic cameras to harp in t e 11 en of the lens from an in the camera built-in handle. It is already known for such purposes that the lens ralts the whole Spreader rods to move out of the way towards the camera body or towards the stationary walking boaen, especially with Cameras in which the object position and the setting of the distance meter are mechanically coupled. The invention is not limited to cameras with a built-in rangefinder, but can be used with any other type of lens adjustment Find application.

In particular, the aim of the invention is to ensure that the adjustment device meets the requirements for securing a straight-line parallel displacement of the lens board, even on cameras without a walking floor. According to the present invention, the safeguarding of the parallel displacement consists in the fact that in the KairisrageMuse a frame-like or box-like food carrier of high rigidity is arranged as a special Versehiefeeglied, which is supported by an adjustment curve or the like. is moved completely in parallel despite the unilateral attack. It is a prerequisite that the Spreiaenkasten bears by means of spreading the lens board sloher and immovably outstretched in its position ma _s Mlt

Spreiaen arrangements "which are able to solve this problem" exist. A particularly suitable Vorriohtusag is from the same inventor has been proposed, but it is not part of the protection under the present here Invention. It is important to note here that the

strength dee OtaefctiTliretts so as secured the vorliegeaäe invention from * apply JCAM _e Voa this teehnisehen Saetererhalt goes

In iaufbodenkameras "it offered no beeoa & ere Sohwierigkeit _f the Parallelitlt the Versohlebung d @ s mentioned, from ObjeJrti *? And Spreizeaaaordnmig existing aggregates © to reach a and ensure. In Balgeiskaaeraa without Baufbodea this stUteeade Blememt missing" and Mer is the IarSftlge _t la see stiffened SpreieeafcaeteB / geaäS the SJyfIndTSag / regarded as eat distinctively important factor to said aggregate VoranacM-Sbea atm parallel ₈ WEAA the feed drive attack because of unentbehr-Iiclieii Llohtdnrehtrlttee al CHT in litte Icaaa _f eoa * dera on the Seitem or on one side alone »so this task is with the means known on this Faehgeelet without further su ISsea _s Even with modern IQaaaeras with gafcuppeltem Batferaaagsffieeeer one will have to relocate cumbersome transmission gearbox dta attack mostly one-sided. The attack situation wlrfct see disturbing eaf the parallelism of the Vereohlehiaag aue * The invention creates a remedy * In fact it is arranged in a gearbox, which transfers the feed drive la completely estspreoheadea AaemeSe to the other side of the Sprelzealcaeteae * Oils Sleichsäligtelfeaäe is due to the transmission Members of this source reached * As previously said Aueftibrimgsfora is to arrange? OrgesG! Ilagea @ on both Seltea of the Spreisesiastens SchwealEhefeel, which is equipped with laelaaadergrelfeadaa delusion segments. Di © SohwealEpaafcte are on Ea "meragehäuee attached * Ba large forces nloht au transferred are _t 1st one Übertragungeun ^ enauigfceit by Zähneabnutsruag looks at the fear.

Ia other aaordaung siad such levers with Zalm segments for the adjustment of the ob j efctlvbrette itself solion vorgeeohlagea tardea, but there the ifotveadlgfceit of a special compensation of the one-sided "Triebaagrlffes" was not given.

The Sins te Ii ^ o rriehi Uii ^ according to the invention has a .Aas? Ah 1 further structural and functional peculiarities, the combination of which with the above dimensions & ahaiea is able to guarantee the required parallel displacement *

rere weee & tlicae CtesIoiitspmtete explains ₉ ale mx erfisÄimg © »gcimaßes Keiistrlifetion habea.

Is' Sil is ensured "* dess of spreiseatragar instantly and easily aaf a Verea ^ ebeangrlff casprtcbt. The Spifeisea «» carrier amö therefore Oha © Verklesssuag adt a certain © es Bew © »» guagalaersitBOhaff stored 3sin. Zmr Sisheruag dteasr Bewag-IlcMceit aad before everything on the same side auca sum krafteohlüseigea, ^j * al @ haea es. dme adjustable Urgaa See VerstelliBeoteiiiffliae 'viird geaäS Her grfiaauag of the Saaerawaadwag sssgekearte Bö * deateil of Spreiseatrager * or the stea a β ei te force eahlttselg verbuadeae iieert regtmgeget rubbed resiliently VOA the laaerawanataig pulled the trigger _t beieplelewetee clureh, 4 "Sprelsseak & Bruokfedera a & selnea four Bokea · Iim kaaa without difficulty such a compression spring "such elaetellea" that the parallel position of the Spreieeaeiafahreae is secured. Mas Jsana daarüber also possibly »aoob,» iah lclelit leading Bolssen em frige * ea-Ordnea ₉ the voa des Federa not be kleaaaead uagriffea * B1 © Bruekfedera hold »dea SpreiaeakfastQii as I said permanently ge ^ es haste Veretellkurve dee Jgatferimageateee ers«

Aa Spreiseatirglger or la FerMadasg siit dea mentionea über * traguagsgll edera is ice cream FUalglledt vorsageweiee "lue fUr eoleae iSweoke Usual aolle> Vorgesefeem _for the eioa Gegea the stlrafläeae svetellorgaea svetellorgaee elaer as Veretellorgaee.

Bie naofa. tter aaderea side of the Breapaiktea geaaaatea dental BBgmmMietiel located end are Migelarfcig amgebogea and dea dadmrea eatstaadeaea ^ aerateges compliant with the Spreisemkastes ia certain MisnaS Verbinidea _e Beeoadere beneficial for oieee VerbiadOag iet dia Mordaiiag voa Slattfedera _f the Elän Badssi a "this Hebeleadea and aaderea Sndse an dta Sareisentrgger sageaiet siad »

One kaaa the SeradfUaraag dee Sprei seakaeteas at eeiaer Versohiebaag further dsduroa Gegea Hppes aaä KleaEaea Eiotera ₉ that laaa, daroa pins ο · dgl ·, which at XeaeragebKttee firmly Siai _1i dea SpreiTOiiksetea adttels. ilm aagebrsoateji Iiimglocneeallt »Be ^ led · BM & e .Asorfimaf siohsrt iasbeeoadere amsli against eeitlieae Vereobiebttag _f Oiese for other © 2weate is Xmmx & bm

life Ii oii © 'Äaoräswßg lets you see it. Baliaea der Srfiactaog use particularly advantageous when «sä» the mentioned BreMager der ZeJmeegmentwSclb ^ enkaebel of the transmission gear accordingly elongated and effective as Illhrutigsglleder lets be.

Bie Srfiadimg affects particular advantage in aolchen cameras "in which the adjustment of la Camera is a * built S & t fernungsaiessere ßsit the displacement of lenses coupled ^ eohaalech · öesfiS the invention is thereby made the Sinriohtimg so that the lens in whose Gebrsuolisstellmig fixedly connected Spreiseiikasteii _s sohr the eggs ia the reader © built Veretellmeohaaisiaus forth by the above-b e! e 'oesiGS). Transmission gear is shifted in parallel, with the gntferxeingemeeeer drive is coupled. In other words and with reference to the purely schematic representation added for explanation in the figure, § means that the adjustment mechanism {301), then the Spreiaenlcaetea with the optics fixed with it (502) ₅ and finally the distance finesser (503) are in one Eeifee M-Hteseiaaader switched. This func-loaa chain has proven to be particularly progressive, by the way, because a disruptive, sS feels & oaunfanig link of this! Fat immediately oU need to be remedied « It is different with the previously used! Are members made at the same time causing division, the other two members, "and was in direct dependence on äm eretgenaantea Öliede ago ver. There possibly is not to notice that the one member, for example the Sntfernungsiaesser pointing daduroh is not adjusted no longer just a mechanical helm Bgmsnmg adjusting enters *

Vos den aiögliehoxi execution forms »a? such parallel connection is added in the mx irlauteraag! purely schematieehea Darstelluag in d # r 4 singled out one ale Example * wiser The other ÄmsführungssöglioMceiten gruttdsätelioh gleiehartige Uhterechlede «m of la Figure 5 indicated Äusfihnsag, which concentrated to before the present Irflmdusg is vorgeeehlageii application Sa is remarkable su '

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Claims (1)

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