Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Albert Harmon Knight
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB191019543ApublicationCriticalpatent/GB191019543A/en
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B51/00—Tools for drilling machines
B23B51/12—Adapters for drills or chucks; Tapered sleeves
B23B51/123—Conical reduction sleeves
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Drilling Tools
(AREA)
Abstract
19,543. Knight, A. H. Aug. 20. Sockets.-The socket is of the type having a flat rectangular tapering bore for receiving flat drills, the bore being widened out for the free circulation of air. The bore is shaped to take either a flat drill shank a, Fig. 7, or a round shank a', Fig. 8. The resulting space b allows air circulation. The socket may be also used for tools with broken tangs by providing the shanks with keyways to receive keys fitting in the spaces b.