JPH0263941U - - Google Patents
Info
- Publication number
- JPH0263941U JPH0263941U JP14077388U JP14077388U JPH0263941U JP H0263941 U JPH0263941 U JP H0263941U JP 14077388 U JP14077388 U JP 14077388U JP 14077388 U JP14077388 U JP 14077388U JP H0263941 U JPH0263941 U JP H0263941U
- Authority
- JP
- Japan
- Prior art keywords
- lid
- cover
- periphery
- extended
- fixing device
- 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
- Jigs For Machine Tools (AREA)
Description
図面は本考案の実施例を示すものであり、第１
図は固定装置の平面図、第２図は固定装置の側面
図、第３図は押圧ピンの先端部の拡大図である。
２……受け座、３……固定ピン、４……回り止
めピン、５ａ……押圧ピン、Ｓ……マンホール蓋
、Ｓａ……ボス。
The drawings show an embodiment of the present invention.
The figure is a plan view of the fixing device, FIG. 2 is a side view of the fixing device, and FIG. 3 is an enlarged view of the tip of the pressing pin. 2...Socket seat, 3...fixing pin, 4...stopping pin, 5a...pressing pin, S...manhole cover, Sa...boss.
Claims (1)
周縁付近にボスを突出させた円盤状マンホール蓋
の加工用固定装置であつて、前記蓋を上下転倒状
態で水平に支持する受け座と、この受け座上に支
持された蓋の外側の互いに対向しない位置におい
て、夫々蓋の外周テーパ面に当接するように突設
された少なくとも２つの固定ピンと、前記蓋の周
縁近傍に位置し、前記受け座上への載置を妨げな
いように外方へ退いた屈折位置と、前記ボスの側
面に当接するように蓋の内側へ張り出した伸直位
置との間を屈伸自在の回り止めピンと、前記蓋の
周縁近傍に位置し、蓋の外周テーパ面に接離可能
に半径方向へ進退自在に設けられた押圧ピンとを
具備したことを特徴とする円盤状マンホール蓋の
加工用固定装置。 A fixing device for processing a disc-shaped manhole cover, which has a downward taper on its outer periphery and a boss protruding near the periphery of its lower surface, comprising: a receiving seat for horizontally supporting the cover in an upside-down state; At least two fixing pins protrude so as to abut against the outer circumferential tapered surface of the lid at positions not facing each other on the outside of the lid supported on the receiving seat; a detent pin that can be bent and extended between a bent position in which it is retracted outward so as not to prevent the lid from being placed on top, and an extended position in which it is extended to the inside of the lid so as to come into contact with the side surface of the boss; A fixing device for processing a disk-shaped manhole cover, characterized in that it is provided with a pressing pin located near the periphery of the cover and movable in the radial direction so as to be able to approach and separate from the outer circumferential tapered surface of the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14077388U JPH0263941U (en) | 1988-10-28 | 1988-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14077388U JPH0263941U (en) | 1988-10-28 | 1988-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0263941U true JPH0263941U (en) | 1990-05-14 |
Family
ID=31405253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14077388U Pending JPH0263941U (en) | 1988-10-28 | 1988-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0263941U (en) |
-
1988
- 1988-10-28 JP JP14077388U patent/JPH0263941U/ja active Pending