JPH03108406U - - Google Patents
Info
- Publication number
- JPH03108406U JPH03108406U JP1764690U JP1764690U JPH03108406U JP H03108406 U JPH03108406 U JP H03108406U JP 1764690 U JP1764690 U JP 1764690U JP 1764690 U JP1764690 U JP 1764690U JP H03108406 U JPH03108406 U JP H03108406U
- Authority
- JP
- Japan
- Prior art keywords
- bridge
- cutting head
- biasing force
- guide bar
- bar
- 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
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
Description
第１図は本考案の手動昇降ほぞ取り機の一実施
例の正面図、第２図は同じく一実施例のばね力と
切削ヘツドの動きとを示す特性図である。
１……ベース、２……ガイドバー、３……ブリ
ツジ、４……バーハンドル、５……リンク、６…
…切削ヘツド、７……引張ばね、８……圧縮ばね
。
FIG. 1 is a front view of an embodiment of the manual lifting and tenoning machine of the present invention, and FIG. 2 is a characteristic diagram showing the spring force and movement of the cutting head of the same embodiment. 1... Base, 2... Guide bar, 3... Bridge, 4... Bar handle, 5... Link, 6...
...Cutting head, 7...Tension spring, 8...Compression spring.
Claims (1)
ドバーの上端に設けられたブリツジと、このブリ
ツジの端部にその一方端が回動自在に支持された
バーハンドルと、このバーハンドルの所定位置に
リンクを介して連結された切削ヘツドとを備え、
前記バーハンドルの所定位置近傍とブリツジとの
間には引張ばね、前記切削ヘツドとベースとの間
のガイドバーの回りには圧縮ばねが設けられてい
る手動昇降ほぞ取り機において、前記切削ヘツド
の下降に伴つて前記引張ばねの上向きの付勢力を
漸減させると共に、前記圧縮ばねの上向きの付勢
力を漸増させて前記引張、圧縮ばねによるばね力
が前記切削ヘツドの上下動中にほぼ一定の上向き
付勢力を持つようにしたことを特徴とする手動昇
降ほぞ取り機。 A guide bar vertically installed on the base, a bridge provided at the upper end of the guide bar, a bar handle whose one end is rotatably supported at the end of the bridge, and a predetermined position of the bar handle. and a cutting head connected via a link to the
In the manual lifting and tenoning machine, a tension spring is provided between a predetermined position of the bar handle and the bridge, and a compression spring is provided around a guide bar between the cutting head and the base. As the cutting head moves downward, the upward biasing force of the tension spring is gradually decreased, and the upward biasing force of the compression spring is gradually increased. A manual lifting and tenoning machine characterized by having a biasing force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1764690U JPH03108406U (en) | 1990-02-23 | 1990-02-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1764690U JPH03108406U (en) | 1990-02-23 | 1990-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03108406U true JPH03108406U (en) | 1991-11-07 |
Family
ID=31520831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1764690U Pending JPH03108406U (en) | 1990-02-23 | 1990-02-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03108406U (en) |
-
1990
- 1990-02-23 JP JP1764690U patent/JPH03108406U/ja active Pending