JPS612545U - Bottom plate for expanding hole bottom - Google Patents
Bottom plate for expanding hole bottomInfo
- Publication number
- JPS612545U JPS612545U JP8705684U JP8705684U JPS612545U JP S612545 U JPS612545 U JP S612545U JP 8705684 U JP8705684 U JP 8705684U JP 8705684 U JP8705684 U JP 8705684U JP S612545 U JPS612545 U JP S612545U
- Authority
- JP
- Japan
- Prior art keywords
- bottom plate
- expanding hole
- concave
- male
- outer frame
- 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
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は溝刻されていない底盤の平面図、第２図は一溝
を刻構した底盤の平面図、１は底盤、５２は溝。FIG. 1 is a plan view of a bottom plate without grooves, and FIG. 2 is a plan view of a bottom plate with one groove carved. 1 is a bottom plate, and 52 is a groove.
Claims (1)
上に設け、凹状内中に滑性凸構且既存回駒を埋嵌挿旦凹
中に外廓枠体臀に雄雌嵌挿凝構し、対凹凸部に該雄雌嵌
挿外廓枠体臀回転弊動の低抗を希少且外廓枠体に効力等
を有せしめた構造−の底盤。Concave grooves are provided on the disk at equal intervals from the outer diameter to the center point, and a smooth convex structure is formed inside the concave shape. A bottom plate having a structure in which a male and female fitting is inserted into the outer frame, and the male and female fitting is inserted into the concave and convex portions to reduce the resistance of the rotational movement of the outer frame body in a rare and effective manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8705684U JPS612545U (en) | 1984-06-11 | 1984-06-11 | Bottom plate for expanding hole bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8705684U JPS612545U (en) | 1984-06-11 | 1984-06-11 | Bottom plate for expanding hole bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS612545U true JPS612545U (en) | 1986-01-09 |
Family
ID=30638923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8705684U Pending JPS612545U (en) | 1984-06-11 | 1984-06-11 | Bottom plate for expanding hole bottom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS612545U (en) |
-
1984
- 1984-06-11 JP JP8705684U patent/JPS612545U/en active Pending
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