DE167838C - - Google Patents
Info
- Publication number
- DE167838C DE167838C DENDAT167838D DE167838DA DE167838C DE 167838 C DE167838 C DE 167838C DE NDAT167838 D DENDAT167838 D DE NDAT167838D DE 167838D A DE167838D A DE 167838DA DE 167838 C DE167838 C DE 167838C
- Authority
- DE
- Germany
- Prior art keywords
- wedges
- springs
- positively
- ratchet wheel
- lifting disc
- 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.)
- Active
Links
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000750 progressive effect Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/002—Drive of the tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE167838C true DE167838C (cs) |
Family
ID=433105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT167838D Active DE167838C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE167838C (cs) |
-
0
- DE DENDAT167838D patent/DE167838C/de active Active
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