US1565059A - Printer's feed gauge - Google Patents

Description

Dec. 8 1925' G. C. COOPER ET AL PRINTER S FEED GAUGE Flled Jan 8 1 5 l2 V Z 1 Patented Dec. 8, 1925.

UNITED STATES PATENT OFFICE.

GUY C. COOPER, OF LITI-IONIA, AND THOMAS A. BAILEY, OF BUCKHEAD, GEORGIA.

PRINTERS FEED GAUGE Application filed January 8, 1925.

To all whom it may concern:

Be it known that we, (1) GUY C. Coornr and (2) THOMAS A. BAILEY, citizens of the United States, residing at (1) Lithonia, (2) Buckhead, in the counties of (1) De Kalb, (2) Fulton, and State of Georgia, have invented certain new and useful Improve ments in Printers Feed Gauges; and we do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

The invention provides a gauge for correctly positioning the sheet upon the platen of a printing press, said gauge including a stripper and beingdurable in construction,

readil adjustable, easily applied to the packing and readily removable therefrom and which when properly positioned "will not slip since it obtains a positive grip upon the packing. 1

Other objects and advantages will be apparent and suggest themselves as the nature of the invention is understood.

While the drawings illustrate an embodiment of the invention it is to be understood that in adapting the same to meet different conditions and requirements, various changes in the form, proportion and minor details of construction may be resorted to without departing from the nature of the invention.

Referring to the accompanying drawings forming a part of the specification,

Figure 1 is a detail View showing the ap plication of the invention,

Figure 2 is a top lan view of the gauge,

Figure 3 is a detail sectional view on the line 3-3 of Figure 1,

Fi ure 4 is an enlarged sectional View on the line H of Figure 1,

Figure 5 is a detail perspective view of the upper clamp member provided with the gauge head, said member being inverted, and Figure 6 is a detail perspective view of the lower clamp member.

Corresponding and like parts are referred to in the following description and designated in the several views of the drawings by like reference characters.

The numeral 10 denotes the usual packing on the platen of a printing press upon which the sheets 11 to be printed are fed, and in accordance with the present, invention, the top sheet of the packing is formed Serial No. 1,247.

with short slits 12 a short distance from and paralleling the outer edge of the sheet to be printed, said slits 12 receiving a marginal portion of the lower clamp member 13 i-omprising the gauge. The lower clamp member 13 is provided adjacent its rear edge with threaded studs 14: which are adapted to pass through openings 15 in the upper clamp member 16. A longitudinal rib 17 is formed adjacent the forward edge of the lower clamp member 13 and nzatohes a longitudinal groove 18 formed in the under side of the upper clamp member 16, the top sheet of the packing being pressed into the groove 18 as indicated most clearly in Fig. ures 3 and 4 thereby positively holding the gauge in the required adjusted position. The lower clamp member 13 is formed with lateral extensions 19 at the ends of the portion forwardly of the rib17 and these extensions are beveled to facilitate placing of the gauge in position and the ends of the rib 17 are correspondingly beveled so as to ride under the top sheet of the packing when placing the gauge in position. The marginal portion of the lower clamp member 13 in the rear of the threaded studs 14 is raised as indicated at 20, the purpose being to cause the forward or work engaging portion of the gauge to obtain a close fit against the packing to prevent the sheet to be printed from coming between the gauge and packing. The front marginal portion of the upper clamp member 16 is raised as indicated at 21 to form a head for the sheet to lodge against when fed into printing position, and this gauge head 21 is formed with an opening 22 through which extends an end portion of a stripper 23, the projecting end being upwardly curved as indicated most clearly in Figures 3 and l. The rear portion of the stripper 23 is bent upwardly as indicated at 24 to limit the forward movement by passing through an opening adjacent the rear ed e of a holder 25, the rear edge of said holder being bent to engage the rear edge of the upper clamp member 16 and said holder being provided with openings to receive the screw studs 14. Thumb nuts 27 are fitted to the threaded studs 14 and serve to clamp the parts 25 and 16 to the lower base member 13 and to clamp the packing sheet 10 between the members 13 and 16 as shown most clearly in Figures 3 and 4.

To apply the gauge, the sheet of the packing is marked to receive the sheet to be printed and short slits 12 are cut in the top sheet of the packing a short distance from the bottom edge and one end of the work sheet when the latter is in correct position to receive the printing and a gauge is applied to the top sheet of the packing by inserting a lateral extension 19 of the lower or base member 13 through a slit 12 and giving the gauge a one-quarter turn to bring the head 21 in line with the work sheet and during this operation that portion of the packing sheet forwardly of the slit 12 passes between the members 1'3 and 16, it being understood that the binding nuts 27 have been loosened sufliciently to admit of the packing sheet passing freely between the members 13 and 16. The gauge is now adjusted so that the outer or forward face of the gauge head 21 is in line with the work sheet after which the binding nuts 27 are tightened to grip the packing sheet between the members 13 and 16 and press a portion thereof into the groove 18 whereby possible slipping of the gauge is prevented. hen the binding nuts 27 have been loosened the gauge lnaye be readily removed as will be readily understood.

hat is claimed is 1. A printing press gauge comprising eomplemental clamp members having matching raised and depressed portions and having a gauge head in which is formed an opening, a stripper passing through the opening of the gauge head and having its rear end offset, and a holder having its rear portion bent to engage the rear edge of the upper gauge member and provided with an opening to receive the offset end of the stripper.

2. A printing press gauge comprising a base member provided with threaded studs and having a rib adjacent its forward edge and having the portion forwardly of the rib extended and beveled, an upper clamp memher having its forward portion raised to provide a gauge head which is grooved in its lower side to receive the beforementioned rib, the gauge head having an opening, a stripper having an end portion passing through the opening of the gauge head and having its rear end offset, a holder having its rear edge bent to engage the rear edge of the upper clamp member and formed with an opening to receive the ofl set end of the stripper and binding nuts fitted to the threaded studs to clamp the parts in the located position.

In testimony whereof we afiix our signatures.

GUY O. COOPER. THOMAS A. BAILEY.

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