JPS6149118B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a comb-shaped type bar for typewriters, which allows accurate printed matter to be obtained by striking type from the back side with a hammer or the like onto a printing paper provided on a platen. The object of the present invention is to provide a comb-shaped type bar for typewriters that is suitable for typewriters and the like.

Next, to describe this in detail with reference to the example shown in the figure, 1 is made of a highly elastic metal such as copper, steel, stainless steel, aluminum, etc. and is formed into a substantially convex shape.
It is made up of a single board, and on the protruding portion of approximately the upper half of this board, required type letters 2 (2 _{1 .} . . 2 _o ) are marked with photosensitive resin materials at predetermined intervals in the left-right and front-back directions. 3 (3 ₁ ... 3 _o ) is the above-mentioned printed character 2 (2 ₁ ...
The slits are provided between the character rows of 2 _o ), so that each character row has a comb tooth shape, and the slit portion is provided between the character rows of the character 2 (2 ₁ ... 2 _o ).
When struck from the back side with a hammer or the like, only the struck character string 2 (2 ₁ . . . 2 _o ) is moved. 4 (4 ₁ ...
...4 _o ) is the type 2 (2 ₁ ...) on the lower part of board 1.
2 _o ) Parking holes provided at positions corresponding to the positions 5 and 6 are parking projections provided at symmetrical positions at both ends of the lower part of the plate 1. Parking holes 7 (7 _{1 .} . . 7 ₉ ) are provided in the protrusion 6, and parking holes 7 (7 _{10 .} . . 7 ₁₅ ) are provided in the protrusion 6, respectively. Reference numeral 8 is a shift arm connected to the protrusion 5, and 9 is a shift arm connected to the protrusion 6, respectively, so that the plate 1 can be moved up and down via these arms 8 and 9. There is. Reference numeral 10 denotes a reinforcing rib portion provided at the lower part of the plate 1 by pressing across the left and right ends thereof.

Since the comb type type bar for a typewriter of the present invention has the above-mentioned configuration, the plate 1 can be moved up and down in an even manner via the arms 8 and 9 provided at both left and right ends. Outside, the parking position of board 1 is also board 1
A parking hole 4 ( ₄ 1 . . . ) is provided at a position corresponding to the position of the type 2 ( 2 ₁ . . . 2 _o ) in the lower part of the .
4 _o ), and parking holes provided on the machine base (not shown) in multiple parking holes 7 (7 ₁ ... 7 ₁₅ ) provided on the protrusions 5 and 6 on both sides, respectively. Rod (not shown)
Not only can this be done reliably by temporarily engaging the characters, but also each character row is separated like the teeth of a comb at the slit portion 3 (3 ₁ ... 3 _o ), and the lower end is reinforced with reinforcing ribs that span the left and right edges, so when the type is struck, only the type string that was struck moves, and the other character strings do not move at all, resulting in accurate markings. In addition to being able to obtain books, since the board 1 itself is made of a highly elastic material, the return movement of the type string after striking is extremely good, making it suitable for high-speed printing.
Even when this was produced, the printed letters 2 (2 ₁ ... 2 _o ) were marked by photo-etching using photosensitive resin.
The effects brought about by being able to easily and inexpensively manufacture a single plate by press working are extremely large.

As shown in FIGS. 3 and 4, in place of the parking holes 4 and 7, protrusions 4' and 7' may be provided at required positions using photosensitive resin. As shown in Figures 5 and 6, the plate 1 is made of a highly elastic polymer compound such as polycarbonate, nylon, etc., and the type 2 and parking protrusions 4' and 7' are injection molded with the plate 1. Even if it is provided integrally with, etc., this can be implemented in the same way as the above-mentioned embodiment.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which FIG. 1 is a front view, FIG. 2 is a side view, and FIGS. 3 to 6 are other embodiments, in which FIG. 3 is a front view and FIG. FIG. 5 is a front view, and FIG. 6 is an enlarged side sectional view. 1...Board, 2 (2 ₁ ...2 _o )...Print, 3
(3 ₁ ...3 _o )...slit part, 4 (4 ₁ ...4
_o )... Parking hole, 5, 6... Parking protrusion, 7 (7 ₁ ...7 ₁₅ )... Parking hole, 8, 9
...Arm part, 10...Rib part, 4', 7'...Protrusion.

Claims (1)

[Claims] 1 The required type is marked with photosensitive resin at a predetermined interval in the left-right and front-back directions on the protrusion on the approximately upper half of a board made of material such as a highly elastic metal or polymeric compound and formed into a generally convex shape. At the same time, there is a slit part extending to the lower part between the left and right type rows, a reinforcing rib part which is pressed across the left and right ends of the lower end, and a slit part extending to the lower part between the left and right type rows, and a reinforcing rib part which is pressed across the left and right ends of the lower end, and at symmetrical positions on both ends of the lower part. It is integrally provided with a parking protrusion and a shift arm connected to the part, and is parked at a position corresponding to the position of the printed characters on the lower part and at the parking protrusion. A comb-shaped type bar for a typewriter, characterized in that it is provided with holes or protrusions for use.