US 1681732 A
Abstract available in
Claims available in
Description (OCR text may contain errors)
Aug. 21, 1928.
0. D. GRAY SUPPORT FOR COMPUTING MACHINES Filed Sept. 2, 1925 Patented Aug. 21, 1928.
- UNIT-ED.STATES DUDLEY n. GRAY, or LAKEWOOD, 01110.
PA TENT orifice.
surronr FOR COMPUTING MACHINES.
. Application filed September 2, 1925. Serial in. 54,165.
The operation of a certain class of computing machines, whenthe' machines are placed upon desks or tables of average height, proves very tiring to the operator because of the strained position in which he is required to hold his arm ancl'hand while manipulating the keys; and the angle of vision is such that difficulty is experienced in seeing the characters on the keys. These circumstances reduce the efficiency of the operator and demachines at the required angle of inclination, to afford the operator the greatest conveni i ence and comfort.
Further objects of the invention are to provide a very simple and inexpensive at-' tachment that may be quickly and veryeasily V secured to a computing machine without the use of screws or other fastening devices and without the need of tools of any kind; that may be adjusted to support the machine at different angles; that serves to support the machine with a slight degree of resiliencyso as to absorb shocks incident to the striking of the keys; and that involves simple and cheap means for adjusting the length of eitherleg of the attachment to compensate for any slight irregularities arising in the manufacture of the device. I v
The foregoing objects, with others hereinafter appearing, are attained'in the embodimentof the invention illustrated in the accompanying drawing wherein Fig. 1 is a perspective View of the attachment showing it as applied to a computing machine (illustrated conventionally by dotted lines); Fig. 2 is a side elevation of a computing machine equipped with the attachment, different angles of inclination at which the machine may be supported being indicated by the dotted line positions of the machine and attachment; and Fig. 3 is a central vertical section through the attachment, showing it-as applied to a computing machine that is indicated by dotted lines. 7 l 1 The attachment comprises a saddle 1 that is preferably made of a rectangular plate of i resilientsheet metal. The plate is formed at its ends to providev grips 2, and the central portionfof the plate is depressed somewhat with respect to the portions adjacent the grips 2, as'clearly shown in Figs. 1 and 3. Adjacent the ends ofthe depressed portions, the plate is punched to provide openings within whichfthe ends of tubular legs 3 are swaged, the legs having circumferential beads 4 against which the ,plate 1 is engaged,
theends ofthejlegs beyond said plate being flanged outwardly by a suitable swaging tool or die. Feet or pads 6, of rubber orother similar material, sockets, are applied to the legs.
Should it be found, when theparts are made and assembled, that one of the legs is slightly shorter than the other, one or more of the slugs, struck from the plates 1 to provide apertures forthelegs 3, may be placed within the bottom of thesocket of the foot or pad 6 which is applied to the shorter leg.
is viewed in Fig. 3) is shown as lengthened by the use of one such shim or slug8.
The normal transverse curvature of the saddle 1 is such as will bring the grips considerably closer together than the width of the base flange 9 of the computing machine 10. When it is desired to apply the attachment to a machine, the outer ends ofthe legs 8 are pressed toward each other which causes having relatively deep 1 The right hand leg of the attachment (as it the saddle 1 to bestraightened out more or less, increasing the distance between the grips 2 sufficiently to allow the attachment tobe slipped over the base flange 9. Upon releasing the legs, the saddle contracts and clamps itself'firmly to the machine.
The attachment may be adjusted longitudinally' of the machine until the desired inclination of the machine is effected. This inclination should be such that the plane of the bank of keys is approximately parallel to theangle of the forearm of the operator, as illustrated in Fig. 2. i
Having tlfus described my invention, what I claim is: i V 1. An attachment for computing machines comprising a saddle of resilient sheet metal having grips at its opposite ends for cooperation with the base of the computing machine, said plate being curved from end to end, and legs depending from said. plate adjacent the ends thereof.
adjacent its ends with apertures, and legs having holding means engagedthrongh sa1d apertures.
An attachment for computingmachines.
comprising a saddle of resilient sheet metal having grips at its opposite ends, saidsaddle being curved from-end to end and provided l adjacent its endswith I leg receiving apertures, tubular legs having them upper ends swaged Within said apertures, andpads applied to the lower ends of said legs;
4. An attachment for computing machines comprising a saddle of resilient sheet metal having grips at its opposite ends,said saddle being curvedn-om end to end and 'prov ded adjacent its ends with leg receiving apertures, tubular legs havingtheir upper ends swaged Within; said apertures, andsocketed vpads of suitable! material for application to the ends of the legs.
'5'. An'attachment for computing machines signature.
" DUDLEYID- I comprising asaddle o'fsheet metal having means fornttacliing itto-the machine, said saddle being provided adjacent its ends with legrece ving apertures, legs having attaching means engagedthrough said apertures,
socketed pads of suitable material applied to "the ends of the legs, and a shim within the socket ofione'of'the pads between the end of the corresponding leg and thebottom ofthe socket. i I v 6. An attachmentfor computing machines comprising a saddle o'f resilient sheet metal "hav ng grips at its opposite ends, said saddle being carved from end to. end and provided adjacent its ends With'leg receiving apertures,
tubular legs havin'g their upper ends 'sWa-ged within said apertures, socketed pads of 'suit-' able material for application tothe ends of the legs, and a shim Within the socket of onej of the pads between the end efthe'corresponding leg and the bottom of the socket.
In testimony whereof, I hereunto 'affix my