. [Records and briefs of the United States Circuit Court of Appeals for the Ninth Circuit]. perated load-lifting and lowering mechanism in strad-dle-type carrier, conceived his improvement. This con-sisted in eliminating the undependable, cable-operatedmechanism and providing in place thereof mechanismwhich operated positively and uniformly at the fourpoints—the legs—of the carrier. Gerlinger carried his conception into practice bythe employment of rack-and-pinion mechanism op-erated by worm gear. This feature, the nucleus ofGerlingers improvement, is illustrated by the followingdrawing, being
. [Records and briefs of the United States Circuit Court of Appeals for the Ninth Circuit]. perated load-lifting and lowering mechanism in strad-dle-type carrier, conceived his improvement. This con-sisted in eliminating the undependable, cable-operatedmechanism and providing in place thereof mechanismwhich operated positively and uniformly at the fourpoints—the legs—of the carrier. Gerlinger carried his conception into practice bythe employment of rack-and-pinion mechanism op-erated by worm gear. This feature, the nucleus ofGerlingers improvement, is illustrated by the followingdrawing, being Fig. 1 of the drawings of the patent insuit (No. 1,457,025) and Fig. 5 of Gerlingers firstpatent No. 1,422,958, (Plffs. Exh. 1, Tr. 805) co-pending with the application for the patent in suit, andreferred to therein, the patent in suit describing a laterimprovement: Figure No. 1 of Gerlinger patent in suit,( No. ,025).(^) TL .. Figure No. 5 of Gerlinger patent No. 1,422, July 18,1922,referred to in and ur>on whichthe patent in suit was an improvement. (). Pr/sse
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