. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . operation of these pins and T-lever is thesame as in my previous patents where thetype-wheel or pad is shifted. With a type-wheel constructed in three sec-tions there will be three openings between thesaid sections, but the types may be close tothe edges of these sections so as to be equi-distant when the type-wheel is expanded. The wheels are to be placed so that thesleeves may be shifted when a blank space isover the impression-pad, so that an impres-sion will not be made when the sleeves areshifted by the upward
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . operation of these pins and T-lever is thesame as in my previous patents where thetype-wheel or pad is shifted. With a type-wheel constructed in three sec-tions there will be three openings between thesaid sections, but the types may be close tothe edges of these sections so as to be equi-distant when the type-wheel is expanded. The wheels are to be placed so that thesleeves may be shifted when a blank space isover the impression-pad, so that an impres-sion will not be made when the sleeves areshifted by the upward movement of the print-ing-lever. I claim as my invention— The type-wheels, each divided into sectionsand connected to the disk e, in combinationwith the sliding sleeves i i for expanding thewheel, or allowing of its being contracted, forthe purposes, and substantially as set forth. Signed by me this 23d dav of January, A. Witnesses: T. A. EDISON. Geo. T. Pinckney,Chas. H. Smith. THOMAS A. in Printing-Telegraphs. No. 126,530. Patented May 7, AM. PHOTO-LITHOGRAPHIC GO H. Y. COSBOHHCs PROCtSS.) 126,530 United States Patent Office THOMAS A. EDISON, OF NEWARK, NEW JEESEY, ASSIGNOR TO GOLD ANDSTOCK TELEGRAPH COMPANY, OF NEW YORK CITY. IMPROVEMENT IN PRINTING-TELEGRAPHS. Specification forming part of Letters Patent No. 126,53fl, dated May 7, 1872. To all -whom it may concern : Be it known that I, Thomas A. Edison, ofNewark, in the county of Essex and State ofNew Jersey, have invented and made a newand useful Improvement in Printing-Tele-graphs; and the following is declared to be afull and correct description of the same. My present invention consists of a printing-telegraph instrument in which the type-wheelis revolved and the printing and feeding mech-anism operated by a movement communicatedfrom the same armature of an make use of a type-wheel revolved by a step-by-step movement derived from the vibrationof the armature of an elec
Size: 1298px × 1924px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
