JPH0317181U - - Google Patents
Info
- Publication number
- JPH0317181U JPH0317181U JP7650189U JP7650189U JPH0317181U JP H0317181 U JPH0317181 U JP H0317181U JP 7650189 U JP7650189 U JP 7650189U JP 7650189 U JP7650189 U JP 7650189U JP H0317181 U JPH0317181 U JP H0317181U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- tip
- caulking
- shoe
- caulked
- 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
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
Landscapes
- Reciprocating Pumps (AREA)
- Pivots And Pivotal Connections (AREA)
Description
図面第１，２図は本考案の実施例を示すもので
、第１図はピストン、シユー組立品の断面図、第
２図は要部拡大断面図、第３，４図は従来の油圧
ポンプ等の球軸受を示すもので、第３図は油圧ポ
ンプの断面図、第４図はピストン、シユー組立品
の断面図である。
３……ピストン、３ａ……球部、７……凹部、
１０ａ……かしめ部、１１……樹脂層、ｓ……シ
ユー。
Figures 1 and 2 show an embodiment of the present invention. Figure 1 is a sectional view of the piston and shoe assembly, Figure 2 is an enlarged sectional view of the main parts, and Figures 3 and 4 are of a conventional hydraulic pump. FIG. 3 is a sectional view of the hydraulic pump, and FIG. 4 is a sectional view of the piston and shoe assembly. 3... Piston, 3a... Ball portion, 7... Recessed portion,
10a...Caulking part, 11...Resin layer, s...Shaw.
Claims (1)
か一方の先端に球部を形成し、いずれか他方の先
端にかしめ部を設けるとともに、このかしめ部の
内側に円弧状の凹部を形成し、この凹部に上記球
部を接触させるとともに、上記かしめ部の先端を
かしめてピストンとシユーとを連結する油圧ポン
プ等の球軸受において、球部に対向するかしめ部
内面に樹脂層を形成した油圧ポンプ等の球軸受。 A spherical part is formed at the tip of one of a pair of opposed pistons and a shoe, a caulked part is provided at the other tip, and an arc-shaped recess is formed inside this caulked part. In a ball bearing of a hydraulic pump, etc., which connects a piston and a shoe by bringing the ball part into contact with the ball and caulking the tip of the caulking part, a resin layer is formed on the inner surface of the caulking part facing the ball part. Ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7650189U JPH0317181U (en) | 1989-06-29 | 1989-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7650189U JPH0317181U (en) | 1989-06-29 | 1989-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317181U true JPH0317181U (en) | 1991-02-20 |
Family
ID=31618029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7650189U Pending JPH0317181U (en) | 1989-06-29 | 1989-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317181U (en) |
-
1989
- 1989-06-29 JP JP7650189U patent/JPH0317181U/ja active Pending