Handbook of meat inspection . rodiiced in a manner similar to tliat with theuse of the slaugliter mask. A cylindrical iron bolt is driven into theroof of the cranium with the blow of a hammer. After the blow hasbeen delivered, the bolt is thrown back into its previous position bya spring, which does not occur in the case of the slanghter mask. Kögler, in Chemnitz, modified Kleinschmidts springbolfcapparatus in that he left out the spring and made use of a consider-ably shorter cylinder. The cylinder possesses a groove into which asmall set screw projects. According to Kogler, the spring ofKlei
Handbook of meat inspection . rodiiced in a manner similar to tliat with theuse of the slaugliter mask. A cylindrical iron bolt is driven into theroof of the cranium with the blow of a hammer. After the blow hasbeen delivered, the bolt is thrown back into its previous position bya spring, which does not occur in the case of the slanghter mask. Kögler, in Chemnitz, modified Kleinschmidts springbolfcapparatus in that he left out the spring and made use of a consider-ably shorter cylinder. The cylinder possesses a groove into which asmall set screw projects. According to Kogler, the spring ofKleinschmidts apparatus has the disadvantage that its use requirea METH0D8 OF SLAÜOHTER 137 a much more ]iowerfnl blow, whilc tlie len<:;th of the cylinJer () renders diflScult the firm jittnchment of the apparatna to tlielipail. Köfjlers ajiparatus is withont protection for the bolt andAvithont its antomatie rebouud. Both these features, however,accordiug to Kögler, are uon-esseutial. The modified apparatus has Fio. Section of Köglers slaughter niask. a, groove for the bolt; h, screw forpreventing the bolt froui springing out. given good satisfaction in varions abattoirs. Kogler makes use ofthis method of connecting the bolt with the cylinder, such as is usedin the stunning apparatus for hogs and in slaughter masks for cattle, Fig. 7.
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