公开(公告)号：US3625554A

公开(公告)日：1971-12-07

申请号：US3625554D

申请日：1970-02-27

Applicant: AEROSPATIALE

Inventor： MOTTAIS JEAN OLIVER LOUIS ,  MARATRAY JEAN-PIERRE YVES

IPC: B23B31/113 ,  B23B51/10 ,  F16D1/06

CPC classification number: B23B51/102 ,  B23B31/113 ,  Y10T403/1624 ,  Y10T403/585 ,  Y10T403/587 ,  Y10T403/7015 ,  Y10T403/7018 ,  Y10T403/7083 ,  Y10T403/7098

Abstract: The invention is concerned with a device for the rapid fixing and releasing of a tool such as a countersink to the end of a rotating shaft. In accordance with the invention the tool has a transverse bore having an internal projection. A resilient device is provided within the bore and the shaft has a facet on which the resilient device can bear.

公开(公告)号：GB1259908A

公开(公告)日：1972-01-12

申请号：GB857670

申请日：1970-02-23

Applicant: AEROSPATIALE

Inventor： MOTTAIS JEAN OLIVER LOUIS ,  MARATRAY JEAN-PIERRE YVES

IPC: B23B31/113 ,  B23B51/10

Abstract: 1,259,908. Counterboring tool. SOC. NATIONALE INDUSTRIELLE AEROSPATIALE. 23 Feb., 1970 [5 March, 1969], No. 8576/70. Heading B3C. [Also in Divisions E2 and F2] A counterboring tool comprises a cutter A, -Figs. 1, 2, adapted to be releasably connected to a shaft B by a key and recess 6, 11, and held in place by a resilient ring 7, 8, the arm 7 of the ring engaging a facet 10 on the shaft. Ring 7, 8 is retained in a groove 9 in the cutter. In operation, shaft B is passed through a hole in the workpiece and into the bore 5 of cutter A. A chamfer 16 on the shaft urges arm 7 of the ring outwardly until the surface 13 on the shaft abuts surface 6c of key 6, the cutter is caused to rotate by the reaction of arm 7, so that key 6 is engaged in recess 11 so as to provide a drive means, and arm 7 rests on facet 10, and thus locks the cutter to the shaft. In a modification, key (17), Figs. 5-7 (not shown), is of cylindrical cross-section and has two facets (17a), (17b). In a further modification, key (22), Figs. 8-10 (not shown), is of square crosssection and is located in a cylindrical bore, and spring (24) is located in an internal recess in the cutter. In yet a further modification, key (28), Figs. 11, 12 (not shown), is hexagonal. In another modification, the spring (30), Fig. 13 (not shown), is straight, and is located in a bore (31) in the cutter. One end of the spring may be welded to the cutter or the arms of the springs may be articulated.