Improvements in Pickaxes.
    131.
    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,

    Metallic Ball Packing
    133.
    发明专利

    公开(公告)号:GB190118761A

    公开(公告)日:1902-07-31

    申请号:GB190118761D

    申请日:1901-09-20

    Inventor: STEWART WILLIAM

    Abstract: 18,761. Stewart, W. Sept. 20. Stuffing - boxes.- Relates to metallic ball stuffing - box packing. In the form shown in Fig. 2, a cylindrical sleeve A is inserted in the stuffing-box along with divided or segmental rings F and intervening metallic balls D. In a modification, the rings may be inserted only at the inner and outer ends, and a constant pressure exerted by springs inserted between the outer ring and the gland.

    A Pneumatic Appliance Usable as a Fire-escape and for other Purposes.

    公开(公告)号:GB190202179A

    公开(公告)日:1902-04-24

    申请号:GB190202179D

    申请日:1902-01-27

    Inventor: STEWART WILLIAM

    Abstract: 2179. Stewart, W. Jan. 27. Pistons.-Relates to a lowering apparatus in which the descent is regulated by a pneumatic brake. A rope C, to which the cage or the like is fixed, passes over a pulley fixed near the top of the building. The free end of the rope C is connected to a heavy piston E, which works in a pipe A running up the side of the building. The piston has a cup-leather packing G fixed to the top of the piston between two washers I, F, the edge of the latter having radial slits to allow it to take a dished form. The edge of the cupleather is pressed outwards by a split expanding ring H,

    Improvements in Fountain Pens.
    135.
    发明专利

    公开(公告)号:GB189824056A

    公开(公告)日:1898-12-23

    申请号:GB189824056D

    申请日:1898-11-15

    Abstract: 24,056. Stewart, W. W. Nov. 15. Pen point-protectors.-The point-protector B is provided with a screw plug c to ensure its fitting tightly on the holder a. In a modification, the screw plug is secured to the holder, and abuts against the inner surface of the protector.

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