JPH0331137U - - Google Patents
Info
- Publication number
- JPH0331137U JPH0331137U JP9026989U JP9026989U JPH0331137U JP H0331137 U JPH0331137 U JP H0331137U JP 9026989 U JP9026989 U JP 9026989U JP 9026989 U JP9026989 U JP 9026989U JP H0331137 U JPH0331137 U JP H0331137U
- Authority
- JP
- Japan
- Prior art keywords
- tray
- reduction
- gear train
- reduction ratio
- gears
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Control Of Transmission Device (AREA)
Description
第１図はこの考案による大量給紙装置を外カバ
ーを外して示す外観斜視図、第２図は第１図の減
速ギヤ輪列５とその関連部を示す斜視図である。
１……昇降装置、２……トレイ、３……モータ
、３ａ……モータの駆動軸、５……減速ギヤ輪列
、６……駆動軸、２１，２２……ギヤ、２３……
大減速ギヤ（途中ギヤ）、２４……小減速ギヤ（
途中ギヤ）、２５……途中ギヤ、２６……移動部
材、２８……レバー、２９，３６……ソレノイド
、３１，３７……戻しスプリング。
FIG. 1 is an external perspective view of the large-volume paper feeder according to the invention with the outer cover removed, and FIG. 2 is a perspective view showing the reduction gear train 5 of FIG. 1 and its related parts. DESCRIPTION OF SYMBOLS 1... Lifting device, 2... Tray, 3... Motor, 3a... Motor drive shaft, 5... Reduction gear train, 6... Drive shaft, 21, 22... Gear, 23...
Large reduction gear (middle gear), 24...Small reduction gear (
intermediate gear), 25... intermediate gear, 26... moving member, 28... lever, 29, 36... solenoid, 31, 37... return spring.
Claims (1)
列を介して減速したモータの駆動力によつて昇降
するトレイ昇降装置を備えた大量給紙装置におい
て、 前記減速ギヤ輪列の減速比を前記トレイの上昇
時には大きくし、下降時には小さくする減速比切
換手段を設けたことを特徴とする大量給紙装置。 ２ 請求項１記載の大量給紙装置において、１組
の減速ギヤ輪列の減速段階の途中ギヤのうちの前
記モータの駆動軸に近いギヤを減速比の異なる一
対の移動可能なギヤによつて構成し、そのいずれ
か一方のギヤを前記トレイの上昇・下降に応じて
選択的に他の途中ギヤと噛み合う位置にする手段
によつて前記減速比切換手段を構成したことを特
徴とする大量給紙装置。[Claims for Utility Model Registration] 1. A mass paper feeder equipped with a tray lifting device that lifts and lowers a tray capable of loading a large amount of paper by the driving force of a motor that is decelerated via a reduction gear train, comprising: 1. A large-volume sheet feeding apparatus, comprising a reduction ratio switching means for increasing the reduction ratio of the gear train when the tray is ascending and decreasing it when the tray is descending. 2. In the mass sheet feeding device according to claim 1, a gear near the drive shaft of the motor among the intermediate gears in the deceleration stage of a set of reduction gear train wheels is replaced by a pair of movable gears having different reduction ratios. and the reduction ratio switching means is constituted by means for selectively placing one of the gears in a position where it engages with another midway gear in response to the raising and lowering of the tray. paper equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9026989U JPH0331137U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9026989U JPH0331137U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0331137U true JPH0331137U (en) | 1991-03-26 |
Family
ID=31639800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9026989U Pending JPH0331137U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331137U (en) |
-
1989
- 1989-07-31 JP JP9026989U patent/JPH0331137U/ja active Pending
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