JPH0228840U

JPH0228840U -

Info

Publication number: JPH0228840U
Application number: JP10569688U
Authority: JP
Priority date: 1988-08-10
Filing date: 1988-08-10
Publication date: 1990-02-23

Description

[Brief explanation of drawings]

第１図は給紙装置の形態を示す斜視図、第２図
は画像形成装置の一例の静電写真複写機の概略縦
断側面図、第３図は別実施例の給紙装置の形態を
示す斜視図である。２６，２９……往復移動部材（支軸、保持部材
）、２７……ワンウエイクラツチ、２８……給紙
部材、３７……形状記憶部材、３９……制御手段
、Ｂ（３１，３４，３７，ｅ）……往復移動機構
（付勢手段、増速機、形状記憶部材、ワイヤー。
） FIG. 1 is a perspective view showing the form of a paper feeding device, FIG. 2 is a schematic longitudinal sectional side view of an electrostatographic copying machine as an example of an image forming apparatus, and FIG. 3 shows the form of a paper feeding device of another embodiment. FIG. 26, 29... Reciprocating member (support shaft, holding member), 27... One-way clutch, 28... Paper feeding member, 37... Shape memory member, 39... Control means, B (31, 34, 37, e)... Reciprocating mechanism (biasing means, speed increaser, shape memory member, wire.
)

Claims

[Scope of utility model registration request]

A reciprocating member that can freely move back and forth in the paper feeding direction and the anti-paper feeding direction is provided with a paper feeding member via a one-way clutch that disables rotation in the paper feeding direction and allows rotation in the anti-paper feeding direction. A reciprocating mechanism is provided that converts the expansion/contraction movement of the shape memory member whose elongation amount changes in response to a change in the amount of electric current into a reciprocating movement of the reciprocating member and transmits the same, and the amount of electric current applied to the shape memory member is changed. 1. A paper feeding device for an image forming apparatus, comprising a control means for controlling the paper.