|Publication number||US1063716 A|
|Publication date||Jun 3, 1913|
|Filing date||Sep 10, 1910|
|Priority date||Sep 10, 1910|
|Publication number||US 1063716 A, US 1063716A, US-A-1063716, US1063716 A, US1063716A|
|Inventors||John C Mclaughlin|
|Original Assignee||Underwood Typewriter Co|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (8), Classifications (4)|
|External Links: USPTO, USPTO Assignment, Espacenet|
J. 0. MCLAUGHLIN. DESK CLAMP FOR TYPE WRITING MACHINES.
AP-PLIUATION FILED SEPT. 10I 1910.
1,063,716, Patented June3, 1913. 71
6 M'Zmesses, [ZZVWZMIZ UNITED STATES PATENT FFTCE.
JOHN C. MQLAUGHLIN, OF JERSEY CITY, NEW JERSEY, ASSIGZNOR T0 UNDER'WOOD TYPEWRITER COMPANY, OF NEW YORK, N. Y., A CORPORATION OF DELAWARE.
pEs'K-GLAMP F012. TYPE-WRITING MACHINES.
Specification of Letters Patent.
Patented June a, 191:3.
Application filed September 10, 1910. Serial No. 581,374.
To all whom it may concern:
' Be it known that LJOIIN MCLAUGHLIN, a citizen of the United States, residing in Jersey City, in the county of Hudson and State of New Jersey, have invented certain new and useful Improvements in Desk- Clamps for Type-lVritLzg Machines, of which the following is a specification. This invention relates to sockets or devices for releasably locking a typewriting or other machine to its support, as to a desk top, table, or base board.
The device is an improvement on the device shown in the co-pending application filed lgy L. L. Pritzl, April 16, 1010, Serial No.
555,816, wherein sockets, in which headed catches on the machines are dropped, are provided with ears or wings fastened to the support by means of screws; and the latches which lock the machines to the sup ports, are operated by springs extending across the sockets.
One object of the present invention is to simplify and reduce the cost of manufacturing and applying the sockets. To this end, the socket may be made in the form of a simple short tube without ears or other fastening devices projecting therefrom; the head of the fastening screw catching upon an internal flange provided in the bottom of the tube, so as to be located centrally with respect thereto. In applying socket-- pieces of this kind, it has been usual to secure temporary center-punches in threaded holes provided on the opposite sides of the base of the writing machine, which holes subsequently receive the permanent catchiug or locking devices. These punches are pressed down in the wooden base, to indicate where the sockets are to'be located, and are then removed from the machine. Then by means of the depressions punched in the wood, the sockets have been positioned, and then fastened by the ears provided thereon. I .'\ccor ding to the present invention, the single screw used for fastening the socketpieces, is forced directly into the depression previously made by the temporary punch, thus securing accuracy in the location of the socket-,and saving much time and'labor.
The machine is held down by latches providedon the sockets. Each latch has'a finger piece projecting from the device; and in order to prevent accidental rotation of the socketpiece and consequent displaceseating in the countersinks.
tightened on their seats. the catches!) are beveled to facilitate their ment of the finger-piece which may be definitely located beside the frame of the machine and in convenient relation thereto, there are provided teeth or prongs on the socket which bite into the wood.
In the accompanying drawings, Figure l is a plan of the invention applied to the frame of an Underwood writing machine, the frame being shown in section. Fig. 2 is an enlarged plan of one of the locking sockets. Fig. 3 is a perspective of the same, partly broken away. Fig. is a sectional iew, showing the latch operatively engagng a headed bolt or catch. Fig. 5 shows the latch withdrawn The base 1 of a typewriting machine has cushion feet 2 resting on a base board 3. Catches 5, in the form of headed pendentstuds, (to cooperate with latches 11) are threaded into ears 1 on the opposite sides of the base of the machine, and are provided with lock nuts 6. These catches are dropped into the bores 7 of sockets or cupped studs. 4 fixed on the support, to prevent lateral displacement of the typewriter. Ordinary wood screws 8 pass through holes formed in the bottoms of the sockets, the ends of the screws being forced into the depressions previously made by the center punches, and as said screws are tightened, their conical heads 8 press against internal flanges or shoulders 9 surrounding the holes, to position the sockets and hold them in place; the internal flanges or shoulders being preferably countersunk, and the conical heads 8* The screws force teeth 'or prongs 19 on the bottom of each socket into the base 3 to prevent the rotation of the sockets as the screws are The heads 14 of entrance into the cups or sockets. The catches 5 fill the cups andhence conceal the, screws and prevent tampering therewith. Latches 11 pivoted at 12 in slots 10 in the sockets catch over the heads 14 of the catches by means of beaks 13, to hold the machine to the support. A coiled compres sion spring 15 presses, each latch into on gagement with the catches, the ends of each spring being lodged in seats 16 in the outer face of the socket and in the inner face or the latch, below its pivot 12. 'A stop 17 on each latch strikes the socket to prevent excessive throw of the latch, which might unseat thespring. Depression of the fingerpieces 18 of the latches (Fig. 5) rocks the latches 11 to disengage their beaks 13 from the catches, leaving the sockets 4 unobstructed, whereupon the machine may be lifted to remove the catches t-l'ierefrom. The teeth or prongs 19, by holding the sockets against rotation, prevent. lateral displacement of the finger-pieces 1S.
Having thus described my invention, 1 claimi 1. The combination with a typewriting machine, of a base for supporting said machine, angularly adjustable sockets on said base, catches on said machine cooperating to center said machine on said base and to prevent relative t -ansve-rse movement therebetween, latches on said sockets to engage said catches to lock-said machine against vertical movement relative to said base, finger-pieces for releasing said latches, and ineansfor securing said sockets to said base, said'sockets having means to maintain the adjustment of said finger-pieces with respect to said base and said machine, so that said finger pieces may be kept projectingi ,base, means for centrally holding: said soclietsin place, catches on said machine wa crating to center said machine on said base and toprevent relative transverse move ment therebctween, latches on,. aid sockets to engage said catches to loch said machine against vertical movement relative to said base, linger-pieces for releasing said latches,
and a single concealed member tor securing each of said s-ochcts'to said base, said socltcts having serrations on the bott m thereof to take into the base and to maintain the adjustmentof said sockets, so as to keep the position of said linger piccs such that they will project upwardly beyond the side of said machine.
, JOHN (1.aiclnklltllllilN.
K. FRAN l-LJ )R'1, C. ltlrnnrr
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