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    • 2. 发明专利
    • Improvements in Umbrella Tip Cups.
    • GB191101297A
    • 1911-12-07
    • GB191101297D
    • 1911-01-18
    • MITTON DAVID
    • MITTON DAVID
    • A45B25/12
    • 1297. Mitton, D. Jan. 18. No Patent granted (Sealing fee not paid). Holding closed.-Relates to tip-cups of the kind in which an outer sleeve slides over an inner sleeve which is provided with a bearing- flange and fixed to the stick, a spring being held between the flange and a flange on the outer sleeve. The flange on the inner sleeve forms with the sleeve itself a groove or recess for the spring, and is made deep so as to provide the sole bearing-surface on which the outer sleeve slides; the outer sleeve is also formed with a groove for the spring. The parts are arranged to resemble the ordinary tip-cup made without a spring. Fig. 1 shows a tip-cup arranged for a shouldered handle comprising an inner sleeve or swage a having a deep bearing flange a , an outer sleeve b having a groove b , and a spring c. Fig. 3 shows a modification for flush or taper jointed handles in which the inner sleeve or swage a is conical and is slit or recessed and provided with lugs a , Fig. 5, which are pressed against and secured to the stick.
    • 4. 发明专利
    • Improvements in Suspension Fittings for Inverted Gas Burners, applicable for other purposes.
    • GB190819755A
    • 1909-06-10
    • GB190819755D
    • 1908-09-21
    • MITTON DAVID
    • MITTON DAVID
    • 19,755. Mitton, D. Sept. 21. Globe-holders.-A globe-holder for inverted incandescent gas lamps and for electric lamps comprises a fixed ring a provided with tumbler catches, which are released by inclined or curved faces on a second rotatable ring h, the rotation of the latter being'facilitated by means of projecting finger. pieces on both'rings a, h. In one form, the catches consist of bell-crank levers d; Fig. 2, and the rotatable ring h, arranged between the fixed ring a and the vertical arms of the lever d, is provided with curved or doubly-inclined outwardly-projecting pieces j for operating the levers. The horizontal arms of the levers engage under the globe flange when the globe is raised into position, and are preferably inclined on their upper side or are provided with antifriction disks or the like. In a second form, the catches comprise ordinary double-armed levers, the outer arms of which bear against the edge of the ring h, which is 'formed with camsurfaces. In a third form, the catches consist of three-armed levers p, r, q, Fig. 8, two arms p, q engaging above and below the globe ring, and the third arm r engaging with the edge of the ring h which, in this case, is only inclined or curved in one direction. According to the-Provisional Specification, rotatable star-wheels may replace the tumbler catches, and may be looked in position by spring pieces preferably carried by a rotatable ring. The tumbler catches, or rotatable rings, may be carried by a single expansible frame, ring, or wire with overlapping ends. The horizontal arms of the tumbler catches may be retained in their normal position by springs.