US2091089A

US2091089A - Carbon holding device

Info

Publication number: US2091089A
Application number: US12958A
Authority: US
Inventors: Charles L Winter
Original assignee: United Autographic Register Co
Current assignee: United Autographic Register Co
Priority date: 1935-03-25
Filing date: 1935-03-25
Publication date: 1937-08-24
Anticipated expiration: 1954-08-24

Description

c. L. WINTER. v 2 1 I C-ARBON HOLDING DEVICE I F i led March 25, 1955 ZUirzfkr." I 4% Patented Aug. 24, 1937 Application March 25, 1935, seaa,1 o..}f1g, 9tg q 4 Claims.

This invention relates particularly to duplicating machines and improved means for separating stationery strips and supporting a transfer strip in interleaved relation with the stationery.

The primary object of the invention is to provide an improved carbon supporting bar having a rearwardly extending slitter bar which serves to protect the folded end of a transfer strip anchored thereto.

The device has particular utility in connection with typewriting machines adapted to fill in forms on continuous form stationery. The device, if desired, may be mounted so as' to move forwardly with the stationery to. writing position and may later be retracted to strip the transfer material into the next succeeding set of forms as is well understood in the art; Heretofore carbon holding blades have been provided to extend from one lateral edge of the supporting device into interleaved relation with the stationery, particularly with fanfold stationery, and in some cases slitters have been provided in the member to separate the fanfold stationery at its connected edge. However, the present carbon blade is supported in a novel manner so as to float between the stationery strips, that is, the blade is allowed to move slightly up or down on the supporting posts. The blade is inexpensive, easy to use, and is interchangeable with other carbon supporting blades in the same device.

The invention is illustrated in the preferred embodiment illustrated in the accompanying drawing, in which, v

Fig. 1 is a broken side elevatfonal view of a device embodying the invention; Fig. 2 is a transverse sectional view taken as indicated at line 2 of Fig. 1; Fig. 3 is a plan view of the same with the stationery partly broken away; and Fig. 4 is a. longitudinal section of the blade taken as indicated at line 4 of Fig. 3.

In the embodiment illustrated, A designates a base member equipped with upwardly extending posts A; B, a blade having a transverse slitter bar B and a transverse carbon-anchor bar B 3 The base member A comprises a sheet metal plate having its rear end portion curled downwardly to form a guide bar l0 over which fanfold stationery il may be drawn. The front portion of the plate is equipped with laterally extendingiarms 12 whose edge portions l3 are turned downwardly to form flanges and receive a pivotally mounted bail M. The plate is-equippedwith suitable downwardly extending studs I5 which enable the device to be secured to a bracket l6 provided on the duplicating machine. The posts A preferably are slotted as indicated at, to reduce the weight of the device and are secured to the base member by nuts l8. Preferably, theposts are of rectangular cross section and have a cut away portion is so that the bail 14 may be snapped into vertical position. The base plate is further provided at its rear end with laterally extending guide fingers 20 j which areadjustably secured to the by means of screws2l. v The blade B preferably is made-of sheet metal such as aluminum and has laterally extending ears 22 which are'adapted to fit loosely over the posts A. The slitter'bar B is integrally formed therewith and extends .rearwardly between the strips of the advancing stationery. Its end portions 23' extend forwardly and outwardly towards the ears 22 and serve as slitters for the edge portions of the, fanfold stationery H. The transverse carbon-anchoring bar B is integrally base plate formed with the slitter bar and is adapted to receive the folded end portion 24 of the transv.

.fer strip 25 through a lateral slot 26. The slot hasrearwardly extending cut outportions 2! to facilitate insertion of light spring clips 28 around the fold 24.

. a It will be'seen that the support thus provided permits theblades B to be moved up and down slightly on the posts A under the influence of the rearwardly extending bar B. The blades may be inverted and their relative position in a pile is immaterial as no spacers are provided between the ears 22. 1

The foregoing detailed description has been given for clearness of understanding only, and no unnecessary limitations should be understood therefrom, but the appended claims should be construed as broadly as permissible, in view of a the prior art. I I What I regard as new, and desire to secure by Letters Patent, is:

. 1. A carbon-holding device for a typewriting machine comprising: a base-member over which fanfold'stationery-strips may be drawn forwardly into writing position, said base member having at each lateral. end portion an upwardly extending post; and a thin carbon-holdingblade adapted. to be interleaved with said. stationery and loosely impaled by both of said posts so asto float between the stationery strips. H 2-.'A carbon-holdingdevice for a duplicating machine comprising: a base-member over which each lateral end portion an upwardly extending post; a thin carbon-holding blade adapted to be interleaved with said'stationery and loosely impaled by both of said posts so as to float between the stationery strips, said blade comprising a transverse bar towhich therear ends 01 carbon strips may'be anchored, and an integrally formed parallel slitter bar whose rear edge is of less width than said strips and whose end portions extend fanfold stationery-strips may be drawn forwardly into writing position, said base member having at having rear lateral end-portions tapering forwardly and outwardly towards said ears to form :slitters, said blade having a transverse slot adapted to receive the rear end portion or a transfer strip. p

4. A carbon-holding and paper slitting device adapted to float between strips of continuous- I ;form fanfold stationery comprising: althin blade having lateral mounting-ears and rear lateral end-portions tapering forwardly and outwardly towards said ears to form slitters, said blade having a transverse slot adapted to receive the rear end portion of a transfer strip, said slot having rearwardlyextending cut-out portions whereby ,separatecarbon clips may be admitted to clamp said transfer slip over the front portion of the blade;

CHARLES LQwm'rER.