JPS6357667U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図乃至第５―３図は本考案の一実施例を示
す図であり、第１図は本考案の断面図、第２―１
図及び第２―２図は圧力レバーの動作を示す説明
図で第２―１図は圧接位置、第２―２図は圧接解
除位置を表す。第３図は現像器の圧接及び圧接解
除状態を示す説明図、第４図は操作レバーを示す
正面図、第５―１図乃至第５―３図は操作レバー
とヤフトレバー凸部の関係を示す説明図であり、
第５―１図は圧接時の、第５―２図は操作レバー
の操作による圧接解除時、第５―３図は圧力レバ
ーの操作による圧接解除時をそれぞれを表わす図
である。 ２……現像器、３ａ，３ｂ……圧力レバー、４
……シヤフト、７……操作レバー、８……シヤフ
トレバー、１３……感光体ドラム、１６……フレ
ーム部。 Figures 1 to 5-3 are views showing one embodiment of the present invention; Figure 1 is a sectional view of the present invention;
2 and 2-2 are explanatory diagrams showing the operation of the pressure lever, with FIG. 2-1 showing the pressure contact position and FIG. 2-2 showing the pressure release position. Fig. 3 is an explanatory diagram showing the pressure contact and release states of the developing unit, Fig. 4 is a front view showing the operating lever, and Figs. 5-1 to 5-3 show the relationship between the operating lever and the shaft lever convex portion. It is an explanatory diagram,
FIG. 5-1 is a diagram showing the state of pressure contact, FIG. 5-2 is a diagram showing the state of pressure contact being released by operating the operating lever, and FIG. 5-3 is a diagram showing the state of pressure contact being released by operating the pressure lever. 2...Developer, 3a, 3b...Pressure lever, 4
... Shaft, 7 ... Operation lever, 8 ... Shaft lever, 13 ... Photosensitive drum, 16 ... Frame section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 前後フレーム間に設けたシヤフトに軸支され、
該シヤフトを支点とし該フレームにバネを介して
連結されると共に現像器と当接する圧力レバーと
、前記シヤフトの前フレーム側に凸部を有するシ
ヤフトレバーと、該シヤフトレバー凸部に係合す
るＬ字溝部を有し前フレーム側に設けられた操作
レバーとから成り、前記操記レバーは前記圧力レ
バーの操作により前記Ｌ字状溝部内を前記シヤフ
トレバー凸部が変位して現像器の圧接及び圧接解
除を行うことを特徴とした現像器の圧接・解除機
構。 It is supported by a shaft between the front and rear frames.
a pressure lever that is connected to the frame via a spring with the shaft as a fulcrum and comes into contact with the developing device; a shaft lever that has a protrusion on the front frame side of the shaft; and an L that engages with the shaft lever protrusion. and an operating lever provided on the front frame side and having a groove, and the operating lever is configured such that the shaft lever convex portion is displaced within the L-shaped groove by operation of the pressure lever, and presses and contacts the developing unit. A pressure contact/release mechanism for a developing unit characterized by releasing pressure contact.