Improvements in Pickaxes.
    1.
    发明专利

    公开(公告)号:GB190408680A

    公开(公告)日:1905-02-16

    申请号:GB190408680D

    申请日:1904-04-15

    Abstract: 8680. Stewart, W. C. April 15. Handles. - The shaft of a pick-axe is provided with a tapered elliptical ferrule a, to fit the eye in the head b, and made in two halves secured with a screw d. The ferrule is countersunk to bring the head of the screw flush, and is strengthened at the portion e where the screw enters and may have ribs or projections f. By making the ferrule deeper than the head, the shaft is strengthened and given an increased gripping-surface,

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