. American engineer and railroad journal . dapted to the drill press spindles without the use of cumber-some reducing sockets. With the new device these latter areno longer necessary, and much additional driving strength isimparted. To this end both the No. s and No. 6 Paragon shanks havebeen re-designed the same length as regular taper shanks, thetaper on the round edges being regular Morse taper, as this modified shank is inserted directly in the spindle theupper end of the shank is received and driven by the flat slot inthe spindle just as is the tang of an ordinary taper shan
. American engineer and railroad journal . dapted to the drill press spindles without the use of cumber-some reducing sockets. With the new device these latter areno longer necessary, and much additional driving strength isimparted. To this end both the No. s and No. 6 Paragon shanks havebeen re-designed the same length as regular taper shanks, thetaper on the round edges being regular Morse taper, as this modified shank is inserted directly in the spindle theupper end of the shank is received and driven by the flat slot inthe spindle just as is the tang of an ordinary taper shank alone would constitute a strong and practical drive, butfor the lack of support the shank would have on its two flatsides at the lower end of the spindle. To provide against the November, 1910. AMERICAN ENGINEER AND RAILROAD JOURNAL. 455 resultant possibilities of vibration and wear between the shankand spindle, and to furnish a powerful additional drive at thelower end of the shank where its cross sectional area is greatest,. COMBINATION OF NEW PARAGON COLLET WITH DRILL AND SPINDLE a new and original type of socket, called the Paragon collet,has been evolved. As herein illustrated, singly and in combination with the drilland spindle, the collet consists of two lugs projecting upwardfrom a flattened disc through which is cut a rectangular hole toreceive the shank. When the latter is applied it will be noted
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
