GB218729A - Improvements in centrifugal hammers - Google Patents
Improvements in centrifugal hammersInfo
- Publication number
- GB218729A GB218729A GB968623A GB968623A GB218729A GB 218729 A GB218729 A GB 218729A GB 968623 A GB968623 A GB 968623A GB 968623 A GB968623 A GB 968623A GB 218729 A GB218729 A GB 218729A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arm
- bolt
- toolholder
- handle
- weights
- 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
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/066—Means for driving the impulse member using centrifugal or rotary impact elements
- B25D11/068—Means for driving the impulse member using centrifugal or rotary impact elements in which the tool bit or anvil is hit by a rotary impulse member
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
218,729. Georgevitch, N. April 9, 1923. Addition to 201,124. Percussive hand tools.-In a hammering tool of the kind claimed in the parent Specification the weights are forced inwards by a curved arm 12 pivoted at 13 and engaging at its other end 14 with a slot 15 in a plate 11 which can be adjusted about the central spindle to alter the distance between the arm 12 and the toolholder 21. Rods 16 traversing the weights carry rollers 17 which engage with the arm 12. To stop the hammering action the toolholder 21 is moved downwards by means of a handle 33, lever 34, and bolt 36, whereupon a similar bolt 22 is free to descend and withdraws its support from a double lever 26 which normally holds the arm 12 in its projected position. The handle 30 is provided with a two-hand grip 31 fixed by a through bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB968623A GB218729A (en) | 1923-04-09 | 1923-04-09 | Improvements in centrifugal hammers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB968623A GB218729A (en) | 1923-04-09 | 1923-04-09 | Improvements in centrifugal hammers |
Publications (1)
Publication Number | Publication Date |
---|---|
GB218729A true GB218729A (en) | 1924-07-09 |
Family
ID=9876798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB968623A Expired GB218729A (en) | 1923-04-09 | 1923-04-09 | Improvements in centrifugal hammers |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB218729A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987001325A1 (en) * | 1985-09-10 | 1987-03-12 | Fritz Niklaus Isenring | Impact device |
-
1923
- 1923-04-09 GB GB968623A patent/GB218729A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987001325A1 (en) * | 1985-09-10 | 1987-03-12 | Fritz Niklaus Isenring | Impact device |
US4867251A (en) * | 1985-09-10 | 1989-09-19 | Kango Limited | Impact device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB218729A (en) | Improvements in centrifugal hammers | |
SU19092A1 (en) | Attaching to a heel machine | |
US1933465A (en) | Work stripper | |
CH267453A (en) | Device on machine tools, for releasing the tool from a rotating tool spindle. | |
GB276598A (en) | Improvements in percussive hand tools | |
GB290726A (en) | Improvements in or relating to extracting or separating machines for withdrawing pins from hollow rock drill steels or like tools | |
GB257812A (en) | Improvements in devices for facilitating the driving of nails | |
GB593221A (en) | Point marker | |
GB809537A (en) | Improvements in or relating to can opening machines | |
GB230917A (en) | Improvements in or relating to mechanically driven percussive tools | |
GB207706A (en) | Improved hand-tool for stapling | |
GB208210A (en) | Improvements in hand and power drilling-machines | |
GB333103A (en) | Improvements in and connected with wrenches, spanners or the like | |
GB421448A (en) | An improved nail extractor | |
GB320277A (en) | Improvements in or relating to the manufacture of nuts | |
GB253273A (en) | Improved method of and means for securing pins in metal articles | |
GB324265A (en) | Improvements in hammer rock drills and like percussive apparatus | |
GB502432A (en) | Improved device for removing drills or other articles from their shafts | |
GB356543A (en) | Improvements in feeding device for rock drills | |
GB489388A (en) | Improvements relating to draw benches | |
GB318443A (en) | Improvements in striking-tools | |
FR1001670A (en) | Impact tool such as riveting hammer, chisel, chisel, punch, or the like | |
GB190424777A (en) | Improvements in Wire-drawing Machines. | |
GB533256A (en) | Improvements in and relating to reinforced shafts for tool heads | |
GB291594A (en) | Improvements for holding, feeding, and guiding drilling tools of the hand, breast drill and ratchet types |