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Original pressure plate opening and closing device and office automation machine

A technology for an original pressing plate and an opening and closing device, which is applied in the directions of printing devices, wing openers, instruments, etc., to prevent original contamination, increase friction resistance, and prevent wear or strange noises.

Active Publication Date: 2015-06-17
KEM HONGKONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the spring bearing member is repeatedly subjected to the pressure exerted by the compression spring, especially when the original pressing plate is closed, the spring bearing member is subjected to strong deformation pressure, the pressure generated between the pressure receiving member and the cam slider will be derived. Same problem, same need to be solved as previous problem

Method used

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  • Original pressure plate opening and closing device and office automation machine
  • Original pressure plate opening and closing device and office automation machine
  • Original pressure plate opening and closing device and office automation machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0113] figure 1 It is a schematic diagram of the composite machine of the present invention. In the figure, a pair of document press plate opening and closing devices B, B' are passed through the top of the device body a of the compound machine A of the present invention, and a document press plate C with an automatic document feeder c is assembled in an openable and closable manner. Original press plate opening and closing devices B, B' The original pressing plate opening and closing device B on the left side of the figure is assembled with one side of the automatic document feeder c. Since the load is quite heavy during the opening and closing operation, Double compression springs are assembled, and the original pressing plate opening and closing device B' on the right side is only assembled with one set of compression springs (not shown in the figure) because of its light load. However, the composition of the important components of the present invention differs only in th...

Embodiment 2

[0131] Figure 8 to Figure 10It is a schematic diagram of another embodiment of the actuating element of the original pressing plate opening and closing device. It is worth mentioning that, although the components with the same reference numerals have slightly different shapes, since they are the same as the components of the document pressing plate opening and closing device B in Embodiment 1, their descriptions are omitted. The actuating element 15 of the original pressing plate opening and closing device D in Embodiment 2 is erected between the two side plates 6b, 6b of the lifting element 6 by a pivot, and an actuating pin 15a of a metal cylindrical rod and the actuating pin 15a go to The insertion hole 15c provided in the axial direction passes through, and is rotatably assembled with respect to the actuation pin 15a, and is constituted by a lift roller 15b made of synthetic resin. The lifting roller 15b has a roughly quadrangular shape in section, and abuts the flat sli...

Embodiment 3

[0135] Figure 11 to Figure 14 It is a schematic diagram of another embodiment of the pressure-receiving device of the document pressing plate opening and closing device of the present invention. The pressure member 20 of the document presser plate opening and closing device E in Embodiment 3 is provided with a cover portion 20f covering the exposed end of the cam slider 21 exposed from the support member 2 thereof. As for the composition of other elements, the composition of the actuating element 15 is the same as that of the document pressing plate opening and closing device D in the second embodiment, and other components are the same as those of the original pressing plate opening and closing device B in the first embodiment. Therefore, the descriptions of elements with the same reference numerals are omitted here. In addition, although not shown in the figure, a cover body covering the exposed end of the supporting element of the spring bearing element can also be provid...

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PUM

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Abstract

An original pressure plate opening and closing device comprises an assembling element, a supporting element of an original pressure plate, a cam sliding member, a pressed element and a compressing spring. The assembling element possesses an assembling space and two standing side plates formed at the two side parts of the assembling space, and assembles the assembling space toward the direction of a device body; the supporting element possesses a backboard and two bending side plates formed by the backboard, and assembles one side ends of the two side plates towards the direction of the two side plates of the assembling element movably; the cam sliding member is accepted and assembled towards the direction of the assembling element in the interior of the supporting element, the pressed element is connected with a cam part arranged at one side end of the cam sliding member and is arranged between the two side plates of the assembling element, and compressing spring is elastically arranged between the cam sliding member and one side of a free end of the supporting element, wherein the pressed element also comprises a slip part in surface contact with the cam part.

Description

technical field [0001] The present invention relates to an original pressing plate opening and closing device suitable for opening and closing office automation machines (office automation, office automation) such as copiers and printers, and an office automation machine using the original pressing plate opening and closing device. Background technique [0002] The known opening and closing device of the original pressing plate of the copier and the office automation machine using the opening and closing device of the original pressing plate are composed of an assembly element, a supporting element, a lifting element, an actuating element, a pressure element, and a cam slide It is composed of parts, a spring bearing element and an elastic means. Wherein, the assembling element has an assembling space and standing side panels formed by two sides of the assembling space, and assembles the assembling space toward the direction of the device body. The supporting element has at ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/00H04N1/00
CPCE05F1/1261G03B27/6228H04N1/00519H04N1/00559
Inventor 铃木直和
Owner KEM HONGKONG
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