JPS60128362U - Jumping developer - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案ジャンピング現像器の一例を示す簡略正
面図、第２図は本考案における絶縁ローラと感光体ドラ
ムの位置関係を示す平面図である。 １・・・現像器本体、２・・・現像ローラ本体部、３・
・・絶縁ローラ本体部、４・・・現像ローラ、５・・・
絶縁ローラ、６・・・弾性材、７・・・感光体ドラム、
８・・・ツバ、９・・・支持部材、１０・・・攪拌搬送
スクリュ、１１・・・トナー・キャリア受け、１２・・
・トナー補給口、１３・・・絶縁ローラ５の両端軸部、
１７・・・ベア　　　　−゛リング。FIG. 1 is a simplified front view showing an example of the jumping developing device of the present invention, and FIG. 2 is a plan view showing the positional relationship between the insulating roller and the photosensitive drum in the present invention. DESCRIPTION OF SYMBOLS 1...Developer body, 2...Developing roller body, 3...
...Insulated roller main body, 4...Developing roller, 5...
Insulated roller, 6... Elastic material, 7... Photosensitive drum,
8...Brim, 9...Supporting member, 10...Agitating conveyance screw, 11...Toner carrier receiver, 12...
・Toner supply port, 13...Both end shaft parts of the insulating roller 5,
17...Bear ring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 現像器本体を現像ローラ本体部と絶縁ローラ本体部で構
成し、現像ローラ本体部の突端部に絶縁ローラ本体部の
基部を枢支せしめ、かつ現像、絶縁ローラ本体部間には
現像、絶縁ローラ間の間隔を規定範囲内に保つための弾
性材を取付け、絶縁ローラ及び感光体ドラムのいずれか
一方の両端部外周に、両者間に所定間隔を保つためのツ
バを設けると共に、現像器本体を感光体ドラム方向に移
動可能に支持部材に取付けてなるジャンピング現像器。The developing device main body is composed of a developing roller main body and an insulated roller main body. An elastic material is attached to keep the distance between the two within a specified range, and a collar is provided on the outer periphery of both ends of either the insulating roller or the photosensitive drum to maintain the specified distance between the two, and the main body of the developing device is A jumping developer mounted on a support member so as to be movable in the direction of the photoreceptor drum.