GB1296553A - - Google Patents
Info
- Publication number
- GB1296553A GB1296553A GB1296553DA GB1296553A GB 1296553 A GB1296553 A GB 1296553A GB 1296553D A GB1296553D A GB 1296553DA GB 1296553 A GB1296553 A GB 1296553A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- striker
- buffer
- tool
- nov
- 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
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/06—Hammer pistons; Anvils ; Guide-sleeves for pistons
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
1296553 Percussive tools ROBERT BOSCH GmbH 28 Nov 1969 [30 Nov 1968] 58202/69 Heading B4C A portable percussive tool including a driving motor and a tool-bit holder comprises a member reciprocable by the motor and a striker for supplying impact energy to a tool-bit, the striker being impellable both towards and away from the holder through the development of a respective air cushion between the striker and the member during reciprocation of the latter, a resilient buffer, capable of acting between the drivable member, being fitted in the member. As illustrated, the member comprises a cylinder 5 reciprocated by the motor via a crankpin 2. An end cap 11 for the cylinder is retained therein by a spring ring 13 and is provided with a buffer 16. In an alternative embodiment (Fig. 2, not shown), a buffer in the form of an 0-ring located in a groove in the cylinder is provided at each end of the cylinder. The O- rings may alternatively be inserted loosely in the cylinder.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19686809332 DE6809332U (en) | 1968-11-30 | 1968-11-30 | MOTOR DRIVEN PORTABLE DRILL HAMMER |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1296553A true GB1296553A (en) | 1972-11-15 |
Family
ID=6596202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1296553D Expired GB1296553A (en) | 1968-11-30 | 1969-11-28 |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH492526A (en) |
DE (1) | DE6809332U (en) |
GB (1) | GB1296553A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2729596A1 (en) * | 1977-06-30 | 1979-01-11 | Hilti Ag | DRILL DRILL WITH PNEUMATICALLY DRIVEN PISTON |
AT368801B (en) * | 1980-12-19 | 1982-11-10 | Ver Edelstahlwerke Ag | STRIKING, HAND-HOLDED AIR TOOL |
-
1968
- 1968-11-30 DE DE19686809332 patent/DE6809332U/en not_active Expired
-
1969
- 1969-11-05 CH CH1643569A patent/CH492526A/en unknown
- 1969-11-28 GB GB1296553D patent/GB1296553A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH492526A (en) | 1970-06-30 |
DE6809332U (en) | 1969-08-07 |
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