JPH0420628U - - Google Patents

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Publication number
JPH0420628U
JPH0420628U JP5873090U JP5873090U JPH0420628U JP H0420628 U JPH0420628 U JP H0420628U JP 5873090 U JP5873090 U JP 5873090U JP 5873090 U JP5873090 U JP 5873090U JP H0420628 U JPH0420628 U JP H0420628U
Authority
JP
Japan
Prior art keywords
sensor lever
cam
mode switching
tip
cam mechanism
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
Application number
JP5873090U
Other languages
Japanese (ja)
Other versions
JPH0810859Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990058730U priority Critical patent/JPH0810859Y2/en
Publication of JPH0420628U publication Critical patent/JPH0420628U/ja
Application granted granted Critical
Publication of JPH0810859Y2 publication Critical patent/JPH0810859Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Gears, Cams (AREA)
  • Transmission Devices (AREA)

Description

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

第1A図、第1B図および第1C図は、本考案
の一実施例における主要部を拡大して示す図であ
り、そのうち第1A図は係合部が衝突した瞬間を
示す斜視図、第1B図は係合部が衝突した直後の
様子を示す斜視図、第1C図は第1B図のセンサ
ーレバー4の本体部分を除いて示した平面図であ
る。第2A図は本考案の一実施例のストツプモー
ドの状態を示す平面図、第2B図は同実施例の動
作モードの状態を示す平面図、第2C図は同実施
例のフルオートストツプの作動状態を示す平面図
である。第3A図は同実施例のカム回転体6のモ
ード切換えカム6bの前端部近傍を示す斜視図、
第3B図はその縦断面図、第3C図はその成形金
型の形状を示す断面図である。第4図は、同実施
例の主要部の寸法記号を説明するための図である
。第5図は従来のカム機構の一例を示す平面図で
あり、センサーレバー4の爪4aとカム回転体6
のモード切換えカム6bの前端部が衝突した状態
を示している。第6A図は、従来のカム機構にお
いて、センサーレバー4の爪4aの先端部14a
の稜と、モード切換えカム6bの前端部16bの
稜が平行である場合の、両者が衝突する直前の状
態を示す斜視図、第6B図はその衝突瞬間の状態
を示す斜視図、第6C図は双方の稜同士が互いに
ねじれの関係にある場合の衝突寸前の状態を示す
斜視図、第6D図はその衝突の瞬間の状態を示す
斜視図である。 図において、1は基板、2はロツク板、3は操
作レバー、4はセンサーレバー、4aは爪、5は
リール台、6はカム回転体、6aは揺動カーム、
6bはモード切換えカム、7はスリツプ板、14
aは爪4aの先端部、16bはモード切換えカム
6bの前端部を示す。なお、図中、同一番号を付
した部分は、同一または相当の要素を示す。
Figures 1A, 1B and 1C are enlarged views showing the main parts of an embodiment of the present invention, of which Figure 1A is a perspective view showing the moment when the engaging parts collide, and Figure 1B is a perspective view showing the moment when the engaging parts collide. The figure is a perspective view showing the state immediately after the engagement portion collides, and FIG. 1C is a plan view of the sensor lever 4 shown in FIG. 1B with the main body portion removed. FIG. 2A is a plan view showing the stop mode state of an embodiment of the present invention, FIG. 2B is a plan view showing the operating mode state of the same embodiment, and FIG. 2C is a plan view showing the fully automatic stop state of the same embodiment. FIG. FIG. 3A is a perspective view showing the vicinity of the front end of the mode switching cam 6b of the cam rotating body 6 of the same embodiment;
FIG. 3B is a longitudinal sectional view thereof, and FIG. 3C is a sectional view showing the shape of the molding die. FIG. 4 is a diagram for explaining the dimension symbols of the main parts of the same embodiment. FIG. 5 is a plan view showing an example of a conventional cam mechanism, in which the pawl 4a of the sensor lever 4 and the cam rotor 6
This shows a state in which the front end of the mode switching cam 6b has collided. FIG. 6A shows a tip 14a of a pawl 4a of a sensor lever 4 in a conventional cam mechanism.
Fig. 6B is a perspective view showing the state immediately before the collision occurs when the ridge of the mode switching cam 6b and the ridge of the front end portion 16b of the mode switching cam 6b are parallel, and Fig. 6C is a perspective view showing the state at the moment of the collision. 6D is a perspective view showing a state on the verge of collision when both edges are in a twisted relationship with each other, and FIG. 6D is a perspective view showing the state at the moment of the collision. In the figure, 1 is a base plate, 2 is a lock plate, 3 is an operating lever, 4 is a sensor lever, 4a is a pawl, 5 is a reel stand, 6 is a cam rotating body, 6a is a swinging cam,
6b is a mode switching cam, 7 is a slip plate, 14
a indicates the tip of the claw 4a, and 16b indicates the front end of the mode switching cam 6b. In addition, in the figures, parts given the same numbers indicate the same or equivalent elements.

Claims (1)

【実用新案登録請求の範囲】 (1) 外部から所定の信号を受けたときにのみ変
位するセンサーレバーと、 このセンサーレバーが変位しないときには前記
センサーレバーと係合しないことにより第1の動
作モードを続行し、前記センサーレバーが変位し
たときは、前記センサーレバーと係合して前記セ
ンサーレバーを所定の動作をさせることによつて
第1の動作モードから第2の動作モード切換えを
行なうモード切替カムを有するカム回転体とを備
えたカム機構において、 前記センサーレバーと前記モード切換えカムの
それぞれの係合部の始端部の先端を尖鋭な角度で
形成するとともに、前記センサーレバーと前記モ
ード切換えカムのそれぞれの係合部のいずれか一
方もしくは両方を、その上端または下端が前方へ
突き出すようにテーパ状に形成したこと を特徴とするカム機構。 (2) 前記係合部の先端の少なくともテーパ形成
部が弾性体からなることを特徴とする請求項1記
載のカム機構。 (3) 偏心して回転し、外周面に沿つて従動する
従動物を揺動させる揺動カムと、先端部が尖鋭な
角度をなして形成されたモード切換えカムとを有
し、あらゆる動作モードにおいて常時回転する第
1の回転体と、 回転および回転停止を交互に繰返す第2の回転
体と、 先端部が尖鋭な角度をなす爪を有し、前記第2
の回転体の回転方向に付勢されることにより前記
第1の回転体の揺動カム面に沿つて揺動運動を行
なうセンサーレバーと を備え、 前記第2の回転体が回転停止されたとき、前記
センサーレバーが前記第1の回転体のモード切換
えカムに変位させられることにより、モード切換
えを行なうカム機構において、 前記第1の回転体のモード切換えカムの前端部
と前記センサーレバーのセンサー爪の先端部との
いずれか一方もしくは両方に、上端または下端が
前方へ突き出すようにテーパを形成したこと を特徴とするカム機構。
[Claims for Utility Model Registration] (1) A sensor lever that is displaced only when receiving a predetermined signal from the outside, and a first operating mode by not engaging the sensor lever when the sensor lever is not displaced. and when the sensor lever is displaced, the mode switching cam engages with the sensor lever and causes the sensor lever to perform a predetermined operation, thereby switching from the first operation mode to the second operation mode. In the cam mechanism, the tip of the starting end of the engaging portion of the sensor lever and the mode switching cam is formed at a sharp angle, and the tip of the starting end of the engaging portion of the sensor lever and the mode switching cam is A cam mechanism characterized in that one or both of the respective engaging portions are formed into a tapered shape so that the upper end or the lower end thereof protrudes forward. (2) The cam mechanism according to claim 1, wherein at least the tapered portion at the tip of the engaging portion is made of an elastic body. (3) It has a swinging cam that rotates eccentrically and swings the driven object along the outer circumferential surface, and a mode switching cam whose tip is formed at a sharp angle. A first rotating body that constantly rotates; a second rotating body that alternately rotates and stops rotating; and a claw having a tip with a sharp angle;
and a sensor lever that performs a rocking motion along a rocking cam surface of the first rotary body by being biased in the rotational direction of the rotary body, when the second rotary body stops rotating. , in a cam mechanism that performs mode switching by displacing the sensor lever by a mode switching cam of the first rotating body, the front end of the mode switching cam of the first rotating body and the sensor claw of the sensor lever A cam mechanism characterized in that one or both of the distal end portions of the cam mechanism is tapered so that the upper end or the lower end protrudes forward.
JP1990058730U 1990-06-02 1990-06-02 Cam mechanism Expired - Fee Related JPH0810859Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990058730U JPH0810859Y2 (en) 1990-06-02 1990-06-02 Cam mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990058730U JPH0810859Y2 (en) 1990-06-02 1990-06-02 Cam mechanism

Publications (2)

Publication Number Publication Date
JPH0420628U true JPH0420628U (en) 1992-02-20
JPH0810859Y2 JPH0810859Y2 (en) 1996-03-29

Family

ID=31584609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990058730U Expired - Fee Related JPH0810859Y2 (en) 1990-06-02 1990-06-02 Cam mechanism

Country Status (1)

Country Link
JP (1) JPH0810859Y2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56156946A (en) * 1980-04-30 1981-12-03 Sharp Corp Automatic stopping device of tape recorder or the like
JPS57126744U (en) * 1981-01-30 1982-08-07
JPS5814243U (en) * 1981-07-20 1983-01-28 三洋電機株式会社 Automatic stop device for tape recorder
JPS61240464A (en) * 1985-04-18 1986-10-25 Clarion Co Ltd Tape end detecting mechanism
JPS6314352A (en) * 1986-07-07 1988-01-21 Matsushita Electric Ind Co Ltd Operation mode selecting and switching device for tape recorder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814243B2 (en) * 1974-12-28 1983-03-18 株式会社トクヤマ Ion Seiyuukibutsuoganyuusuru

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56156946A (en) * 1980-04-30 1981-12-03 Sharp Corp Automatic stopping device of tape recorder or the like
JPS57126744U (en) * 1981-01-30 1982-08-07
JPS5814243U (en) * 1981-07-20 1983-01-28 三洋電機株式会社 Automatic stop device for tape recorder
JPS61240464A (en) * 1985-04-18 1986-10-25 Clarion Co Ltd Tape end detecting mechanism
JPS6314352A (en) * 1986-07-07 1988-01-21 Matsushita Electric Ind Co Ltd Operation mode selecting and switching device for tape recorder

Also Published As

Publication number Publication date
JPH0810859Y2 (en) 1996-03-29

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Legal Events

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LAPS Cancellation because of no payment of annual fees