JPS647948U - - Google Patents
Info
- Publication number
- JPS647948U JPS647948U JP10289187U JP10289187U JPS647948U JP S647948 U JPS647948 U JP S647948U JP 10289187 U JP10289187 U JP 10289187U JP 10289187 U JP10289187 U JP 10289187U JP S647948 U JPS647948 U JP S647948U
- Authority
- JP
- Japan
- Prior art keywords
- transmission device
- power transmission
- gear
- blocking means
- 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
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 5
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Gears, Cams (AREA)
- Transmission Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Common Mechanisms (AREA)
Description
第１図は本考案に係る動力伝達装置が応用され
る好適な実施例としての印字装置の概略図、第２
図〜第４図は、夫々本考案に係る歯車の回転を阻
止する手段の好適実施例を示す説明図、第５図は
従来技術に係る動力伝達装置が応用される印字装
置の概略図である。
１０……プラテン（駆動対象）、１２……キヤ
リツジ（駆動対象）、１４……モータ（駆動源）
、１６……歯車列、１８……クラツチ、２０……
フレーム（固定部）、３４……バツクラツシユレ
スギヤ、３４ａ，３４ｂ……歯車、３８……圧縮
ばね、４６……摩擦系数の大きい円板状部材、４
８……歯車、５２……圧縮コイルばね。
Fig. 1 is a schematic diagram of a printing device as a preferred embodiment to which the power transmission device according to the present invention is applied;
4 to 4 are explanatory diagrams showing preferred embodiments of means for preventing rotation of gears according to the present invention, and FIG. 5 is a schematic diagram of a printing device to which a power transmission device according to the prior art is applied. . 10...Platen (driving object), 12...Carriage (driving object), 14...Motor (driving source)
, 16... Gear train, 18... Clutch, 20...
Frame (fixed part), 34... Backlashless gear, 34a, 34b... Gear, 38... Compression spring, 46... Disc-shaped member with large frictional coefficient, 4
8...Gear, 52...Compression coil spring.
Claims (1)
介してクラツチ１８に伝達し、そのクラツチ１８
の作動により少なくとも１つの駆動対象を駆動さ
せるよう構成した動力伝達装置において、 前記歯車列１６に前記クラツチの断続時の振動
や外力による歯車列の回転を阻止する阻止手段を
設けたことを特徴とする動力伝達装置。 (2) 前記阻止手段は、相互に回転可能に同軸的
に枢支した２枚の歯車３４ａ，３４ｂと、両歯車
３４ａ，３４ｂ間に反対方向への回動力を付与す
るべく介装した圧縮ばね３８とからなるバツクラ
ツシユレスギヤ３４として構成される実用新案登
録請求の範囲第１項記載の動力伝達装置。 (3) 前記阻止手段は、相互に回転可能に同軸的
に枢支した２枚の歯車３４ａ，３４ｂと、両歯車
３４ａ，３４ｂ間に圧接的に介在させた摩擦系数
の大きい部材４６とからなる実用新案登録請求の
範囲第１項記載の動力伝達装置。 (4) 前記阻止手段は、歯車４８と固定部２０と
の間に弾力的に介装した圧縮コイルばね５２から
なる実用新案登録請求の範囲第１項記載の動力伝
達装置。 (5) 前記阻止手段は、歯車とこれを回転自在に
枢支する軸との間に塗布した粘性の大きい流体か
らなる実用新案登録請求の範囲第１項記載の動力
伝達装置。[Claims for Utility Model Registration] (1) Power is transmitted from a single drive source 14 to a clutch 18 via a gear train 16, and the clutch 18
The power transmission device is configured to drive at least one driven object by the operation of the gear train 16, characterized in that the gear train 16 is provided with a blocking means for preventing rotation of the gear train due to vibrations or external forces when the clutch is engaged or engaged. power transmission device. (2) The blocking means includes two gears 34a and 34b coaxially supported so as to be rotatable with respect to each other, and a compression spring interposed between both gears 34a and 34b to apply rotational force in opposite directions. 38. The power transmission device according to claim 1, which is configured as a backlashless gear 34 comprising: 38. (3) The blocking means consists of two gears 34a, 34b that are coaxially supported so as to be rotatable with respect to each other, and a member 46 with a large frictional coefficient that is interposed in pressure contact between the gears 34a, 34b. A power transmission device according to claim 1 of the utility model registration claim. (4) The power transmission device according to claim 1, wherein the blocking means comprises a compression coil spring 52 elastically interposed between the gear 48 and the fixed portion 20. (5) The power transmission device according to claim 1, wherein the blocking means comprises a highly viscous fluid applied between a gear and a shaft that rotatably supports the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10289187U JPS647948U (en) | 1987-07-04 | 1987-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10289187U JPS647948U (en) | 1987-07-04 | 1987-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647948U true JPS647948U (en) | 1989-01-17 |
Family
ID=31333213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10289187U Pending JPS647948U (en) | 1987-07-04 | 1987-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647948U (en) |
-
1987
- 1987-07-04 JP JP10289187U patent/JPS647948U/ja active Pending
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