JPS62117315U - - Google Patents
Info
- Publication number
- JPS62117315U JPS62117315U JP509286U JP509286U JPS62117315U JP S62117315 U JPS62117315 U JP S62117315U JP 509286 U JP509286 U JP 509286U JP 509286 U JP509286 U JP 509286U JP S62117315 U JPS62117315 U JP S62117315U
- Authority
- JP
- Japan
- Prior art keywords
- platen cover
- toothed ratchet
- pawl member
- internally toothed
- engagement
- 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.)
- Granted
Links
- 210000000078 claw Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Vibration Dampers (AREA)
- Pivots And Pivotal Connections (AREA)
Description
第１図は本考案のカウタバランス装置の一実施
例における特徴部分をあらわす平面図、第２図は
第１図の―線断面図、第３図は爪部材の形状
をあらわす平面図、第４図は係合解除手段をあら
わす平面図、第５図は第４図の―線断面図、
第６図は第４図の―線断面図、第７図は従来
例の特性をあらわすグラフ、第８図は本考案の一
実施例の特性をあらわすグラフ、第９図は本考案
の他の実施例における回転力調整手段をあらわす
概略構成図、第１０図は本考案の他の実施例の回
転力調整手段をあらわす概略構成図、第１１図は
第１０図の斜視図である。
１……回動軸、２……ラチエツト機構、３……
係合解除手段、４……貫通孔、５ａ，５ｂ，６ａ
，６ｂ……爪部材、７……スプリング、８……円
筒部材、９……内歯爪車、１１，１２……シユー
、１３……カムシリンダ、１４ａ，１４ｂ……シ
リンダ内周カム山部。
Fig. 1 is a plan view showing the characteristic parts of an embodiment of the counterbalance device of the present invention, Fig. 2 is a sectional view taken along the line -- in Fig. 1, Fig. 3 is a plan view showing the shape of the claw member, and Fig. 4. is a plan view showing the engagement release means, FIG. 5 is a sectional view taken along the line -- in FIG. 4,
Fig. 6 is a sectional view taken along the line - in Fig. 4, Fig. 7 is a graph showing the characteristics of the conventional example, Fig. 8 is a graph showing the characteristics of one embodiment of the present invention, and Fig. 9 is a graph showing the characteristics of another example of the present invention. FIG. 10 is a schematic configuration diagram showing the rotational force adjusting means in another embodiment of the present invention, and FIG. 11 is a perspective view of FIG. 10. 1...Rotation axis, 2...Ratchet mechanism, 3...
Engagement release means, 4... Through holes, 5a, 5b, 6a
, 6b...Claw member, 7...Spring, 8...Cylindrical member, 9...Internally toothed ratchet wheel, 11, 12...Shu, 13...Cam cylinder, 14a, 14b...Cylinder inner circumference cam crest .
Claims (1)
弾性部材を介して進退自在に取付けられる爪部材
と、プラテンカバーの閉動時に前記爪部材に噛合
う内歯爪車と、前記内歯爪車の回転力を調整する
回転力調整手段と、プラテンカバーの全閉近傍で
前記爪部材と前記内歯爪車との係合を解除する係
合解除手段とを有することを特徴とするカウンタ
バランス装置。 a pawl member that is attached to the rotating shaft of the platen cover so as to be movable forward and backward in the radial direction via an elastic member; an internally toothed ratchet that engages with the pawl member when the platen cover is closed; and rotation of the internal toothed ratchet. A counterbalance device comprising: a rotational force adjustment means for adjusting force; and an engagement release means for releasing the engagement between the pawl member and the internally toothed ratchet near the fully closed position of the platen cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP509286U JPH0514007Y2 (en) | 1986-01-20 | 1986-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP509286U JPH0514007Y2 (en) | 1986-01-20 | 1986-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62117315U true JPS62117315U (en) | 1987-07-25 |
| JPH0514007Y2 JPH0514007Y2 (en) | 1993-04-14 |
Family
ID=30786354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP509286U Expired - Lifetime JPH0514007Y2 (en) | 1986-01-20 | 1986-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0514007Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011007403A (en) * | 2009-06-25 | 2011-01-13 | Oiles Corp | One-way rotating damper, hinge mechanism including the damper, opening/closing mechanism and range hood |
-
1986
- 1986-01-20 JP JP509286U patent/JPH0514007Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011007403A (en) * | 2009-06-25 | 2011-01-13 | Oiles Corp | One-way rotating damper, hinge mechanism including the damper, opening/closing mechanism and range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0514007Y2 (en) | 1993-04-14 |
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