111.
    发明专利
    未知

    公开(公告)号:DE441891C

    公开(公告)日:1927-03-15

    申请号:DESC076307

    112.
    发明专利
    未知

    公开(公告)号:DE340938C

    公开(公告)日:1921-09-24

    申请号:DE340938D

    Improved Releasing Mechanism for Boring Tools and the like.

    公开(公告)号:GB191000082A

    公开(公告)日:1910-06-16

    申请号:GB191000082D

    申请日:1910-01-01

    Inventor: SCHAEFER WILHELM

    Abstract: 82. Schõfer, W. Jan. 2, 1909, [Convention date]. Sockets. - A drill socket contains a toolreleasing device consisting of a cap f which fits over the tang-end h of a drill b and is adapted to press on the tool to eject it by means of a cranked shaft c, d, which is retained in place in the socket by a pin i.

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