JPS6014864U

JPS6014864U - Breaker chisel pin retainer

Info

Publication number: JPS6014864U
Application number: JP10595683U
Authority: JP
Inventors: 佐和　英一
Original assignee: 油谷重工株式会社
Priority date: 1983-07-06
Filing date: 1983-07-06
Publication date: 1985-01-31

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

[Brief explanation of the drawing]

第１図は本考案を実施しているブレーカの縦断面図、第
２図は第１図のＡ−Ａ断面図、第３図は　　　゛第２図
のＢ部の拡大図、第４図は第２図の６部の拡大図、第５
図は第３図のＤのみの単体の図、第６図は第５図のＥか
ら見た図、第７図は第５図のＦから見た図、第８図は第
５図のＧ−Ｇ断面図、第９図は従来から行なわれている
ものの断面図である。４・・・・・・孔、５・・・・・・チゼルピン、６・・
・・・・細径、７・・・・・、・シール、８・・・・・
・孔、９・・・・・・弾性体の栓、１０・・・・・・孔
、１１・・・・・・突起、１２・・・・・・クロスピン
、１３・・・・・・細径部、１５・・・・・・孔。め　／　　ｒＡFigure 1 is a longitudinal sectional view of a breaker implementing the present invention, Figure 2 is a sectional view taken along line A-A in Figure 1, Figure 3 is an enlarged view of section B in Figure 2, and Figure 4 is an enlarged view of section B in Figure 2. Enlarged view of part 6 of Figure 2, No. 5
The figure is a diagram of only D in Figure 3, Figure 6 is a view seen from E in Figure 5, Figure 7 is a view seen from F in Figure 5, and Figure 8 is a view seen from G in Figure 5. -G sectional view and FIG. 9 are sectional views of a conventional method. 4...hole, 5...chisel pin, 6...
...Small diameter, 7...Seal, 8...
- Hole, 9... Elastic plug, 10... Hole, 11... Protrusion, 12... Cross pin, 13... Thin Diameter part, 15... hole. Me / rA

Claims

[Scope of utility model registration request]

Insert a chisel pin to prevent the chisel from being removed into the chisel holder of the breaker, make one of the pin holes of the chisel pin smaller in diameter than the chisel pin, insert the chisel pin through the seal, and insert an elastic plug into the other to remove the chisel pin. To prevent the pin from being removed from the elastic body, a cross pin insertion hole is drilled through the chisel holder and the elastic plug in a direction perpendicular to the pin hole of the chisel pin, and the cross pin is inserted into this hole. In such a device, a protrusion is formed on the inner surface of a cross pin insertion hole drilled in the elastic body, and a narrow diameter portion is provided on the cross pin at a position corresponding to the protrusion when the cross pin is inserted, and when the cross pin is inserted. A breaker chisel pin removal prevention device consisting of a protrusion provided on the inner surface of an elastic plug that engages with the narrow diameter portion of the cross pin to prevent the cross pin from falling.