Specification of Alfred Vincent Newton : artificial legs.

  • Alfred Vincent Newton
Date:
1867
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Alfred Vincent Newton : artificial legs. Source: Wellcome Collection.

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    Provisional Specification. A.D. 1867.—N° 63. 3 Newtons Improvements in Artificial Legs. little forward of the middle to act as stops to the upper part of the leg to prevent it from moving forward of a vertical or nearly vertical line when the person is standing up. In this way the leg can move on the axle as a knee joint to the extent of about a quarter of a circle, and two springs attached to 5 the axle and to the upper part of the leg serve to bring back the leg in line with the thigh whenever it is liberated. The lower ends of four metal straps secured to the hoop form or embrace the thigh; these straps are each made of two parts lapped and slotted longitudinally to receive flat headed screw bolts, by which the two parts are held together, but by means of which the 10 length can be increased or decreased to suit the length of thighs to which they are to be applied. And there are three other flat hoops secured to these straps by flat headed screw bolts * these hoops are formed with lap joints slotted and secured by flat headed bolts, so that their circumference can be varied to suit the person to which an artificial leg is to be applied, felt or 15 other suitable material being interposed between to form a socket to receive and protect the stump. 1 To suit an amputation of the leg below the knee the mechanism above described to form the knee joint is not required, and hoops are required to be applied to the stump of the leg and connected with four longitudinal straps, 20 like the thigh straps, but the lower ends of these straps are to be curved in under the stump and secured by suitable rivets to the top of the upper tube of the leg, which in such case is shortened. SPECIFICATION in pursuance of the conditions of the Letters Patent, filed by the said Alfred Vincent Newton in the Great Seal Patent Office on 25 the 9th July 1867. TO ALL TO WHOM THESE PRESENTS SHALL COME, I, Alfrei Vincent Newton, of the Office for Patents, 66, Chancery Lane, in the County of Middlesex, Mechanical Draughtsman, send greeting. WHEREAS Her most Excellent Majesty Queen Victoria, by Her Letters 30 Patent, bearing date the Ninth day of January, in the year of our Lord, One thousand eight hundred and sixty-seven, in the thirtieth year of Her reign, did, for Herself, Her heirs and successors, give and grant unto me, the said Alfred Vincent Newton, Her special licence that I, the said Alfred Vincent Newton, my executors, administrators* and assigns, or such others as 35 I, the said Alfred Vincent Newton, my executors, administrators, and assigns, should at any time agree with, and no others, from time to time and at all