FR2377871A1 - Distributeur d'air comprime pour machine a mouvement alternatif du type brise-beton - Google Patents
Distributeur d'air comprime pour machine a mouvement alternatif du type brise-betonInfo
- Publication number
- FR2377871A1 FR2377871A1 FR7734529A FR7734529A FR2377871A1 FR 2377871 A1 FR2377871 A1 FR 2377871A1 FR 7734529 A FR7734529 A FR 7734529A FR 7734529 A FR7734529 A FR 7734529A FR 2377871 A1 FR2377871 A1 FR 2377871A1
- Authority
- FR
- France
- Prior art keywords
- pastille
- compressed air
- seats
- pneumatic drill
- air distributor
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/16—Valve arrangements therefor
- B25D9/24—Valve arrangements therefor involving a rocking-plate type valve
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH81377A CH605043A5 (xx) | 1977-01-24 | 1977-01-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2377871A1 true FR2377871A1 (fr) | 1978-08-18 |
FR2377871B1 FR2377871B1 (xx) | 1982-12-03 |
Family
ID=4195780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7734529A Granted FR2377871A1 (fr) | 1977-01-24 | 1977-11-10 | Distributeur d'air comprime pour machine a mouvement alternatif du type brise-beton |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH605043A5 (xx) |
FR (1) | FR2377871A1 (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4446773A (en) * | 1980-11-07 | 1984-05-08 | Maco-Meuden | Compressed air distributor for a reciprocating concrete breaking type machine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR730222A (fr) * | 1931-01-21 | 1932-08-09 | Mécanisme de distribution pour marteaux pneumatiques | |
FR856805A (fr) * | 1938-12-13 | 1940-08-10 | Perfectionnements aux distributions à pastille des marteaux pneumatiques | |
US3935789A (en) * | 1974-07-19 | 1976-02-03 | The Black And Decker Manufacturing Company | Reversing valve |
-
1977
- 1977-01-24 CH CH81377A patent/CH605043A5/xx not_active IP Right Cessation
- 1977-11-10 FR FR7734529A patent/FR2377871A1/fr active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR730222A (fr) * | 1931-01-21 | 1932-08-09 | Mécanisme de distribution pour marteaux pneumatiques | |
FR856805A (fr) * | 1938-12-13 | 1940-08-10 | Perfectionnements aux distributions à pastille des marteaux pneumatiques | |
US3935789A (en) * | 1974-07-19 | 1976-02-03 | The Black And Decker Manufacturing Company | Reversing valve |
Also Published As
Publication number | Publication date |
---|---|
FR2377871B1 (xx) | 1982-12-03 |
CH605043A5 (xx) | 1978-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |