FR21980E - Automatic shut-off for compressed air tools, especially for pneumatic peak hammers - Google Patents
Automatic shut-off for compressed air tools, especially for pneumatic peak hammersInfo
- Publication number
- FR21980E FR21980E FR21980A FR21980DA FR21980E FR 21980 E FR21980 E FR 21980E FR 21980 A FR21980 A FR 21980A FR 21980D A FR21980D A FR 21980DA FR 21980 E FR21980 E FR 21980E
- Authority
- FR
- France
- Prior art keywords
- hammers
- pneumatic
- peak
- compressed air
- automatic shut
- 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.)
- Expired
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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR21980T | 1919-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR21980E true FR21980E (en) | 1921-04-21 |
Family
ID=8660928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR21980A Expired FR21980E (en) | 1919-12-09 | 1919-12-09 | Automatic shut-off for compressed air tools, especially for pneumatic peak hammers |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR21980E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385496A1 (en) * | 1977-03-28 | 1978-10-27 | Mekafor | Pneumatic drill with bit guide sleeve one end - has air distributor encased in shock absorbent casing other end |
-
1919
- 1919-12-09 FR FR21980A patent/FR21980E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385496A1 (en) * | 1977-03-28 | 1978-10-27 | Mekafor | Pneumatic drill with bit guide sleeve one end - has air distributor encased in shock absorbent casing other end |
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