DE199149C - - Google Patents
Info
- Publication number
- DE199149C DE199149C DENDAT199149D DE199149DA DE199149C DE 199149 C DE199149 C DE 199149C DE NDAT199149 D DENDAT199149 D DE NDAT199149D DE 199149D A DE199149D A DE 199149DA DE 199149 C DE199149 C DE 199149C
- Authority
- DE
- Germany
- Prior art keywords
- key
- space
- lever
- space key
- switchover
- 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
- 230000000994 depressogenic effect Effects 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/18—Locks
- B41J5/20—Locks for subsidiary keys, e.g. for shift keys
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
- E21D15/43—Details of wedges
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32114—Articulated members including static joint
- Y10T403/32221—Articulate joint comprises pivoted clevis or channel bar
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32254—Lockable at fixed position
- Y10T403/32262—At selected angle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Clamps And Clips (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Toys (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE797673X | 1954-01-29 | ||
DEG14124A DE1090613B (de) | 1954-01-29 | 1954-04-03 | Verfahren und Vorrichtung zum Kuppeln und/oder Verriegeln bzw. Entkuppeln und/oder Entriegeln der Schloesser von durch solche miteinander verbundenen Gelenkkappen od. dgl. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE199149C true DE199149C (zh) |
Family
ID=25948572
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT199149D Active DE199149C (zh) | 1954-01-29 | ||
DEG14124A Pending DE1090613B (de) | 1954-01-29 | 1954-04-03 | Verfahren und Vorrichtung zum Kuppeln und/oder Verriegeln bzw. Entkuppeln und/oder Entriegeln der Schloesser von durch solche miteinander verbundenen Gelenkkappen od. dgl. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEG14124A Pending DE1090613B (de) | 1954-01-29 | 1954-04-03 | Verfahren und Vorrichtung zum Kuppeln und/oder Verriegeln bzw. Entkuppeln und/oder Entriegeln der Schloesser von durch solche miteinander verbundenen Gelenkkappen od. dgl. |
Country Status (5)
Country | Link |
---|---|
US (1) | US2959924A (zh) |
BE (1) | BE535250A (zh) |
DE (2) | DE1090613B (zh) |
FR (1) | FR1121012A (zh) |
GB (1) | GB797673A (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1149679B (de) * | 1960-04-01 | 1963-06-06 | Karl M Groetschel Dipl Ing | Vorrichtung zum maschinellen Verriegeln und Entriegeln von frei tragend vorzupfaendenden Kappen |
US3163011A (en) * | 1960-11-14 | 1964-12-29 | Karl M Groetschel | Connection for lagging irons |
US3506073A (en) * | 1967-04-27 | 1970-04-14 | Allis Chalmers Mfg Co | Folding gang lock |
US5813629A (en) * | 1996-04-10 | 1998-09-29 | Cabrera; Carlos Parra | Airplane stretcher system |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB668397A (en) * | 1948-05-05 | 1952-03-19 | Groetschel Karl Maria | A method and apparatus for provisionally supporting the working faces of mines or the like |
DE800077C (de) * | 1948-11-13 | 1950-09-01 | Willi Hansen | Vorrichtung zum Rauben von eisernen Grubenstempeln u. dgl. |
DE801930C (de) * | 1949-03-27 | 1951-01-29 | Mannesmann Ag | Sicherung fuer Klemmkeile bei Grubenstempeln |
BE501784A (zh) * | 1949-10-18 | |||
DE897085C (de) * | 1949-11-26 | 1953-11-19 | Hans Gerlach Dipl Ing | Grubenausbau fuer Abbaubetriebe |
DE861092C (de) * | 1950-06-03 | 1952-12-29 | Ludwig Vanwersch | Kappen fuer den Grubenausbau und Verfahren zur Herstellung derselben |
DE839484C (de) * | 1950-09-02 | 1952-05-19 | Gutehoffnungshuette Oberhausen | Klemm- und Raubkeil fuer Grubenstempel |
BE516921A (zh) * | 1952-01-16 | |||
BE511825A (zh) * | 1952-05-31 | |||
BE514563A (zh) * | 1952-10-01 | |||
DE952976C (de) * | 1953-01-28 | 1956-11-22 | Karl Maria Groetschel Dipl Ing | Drehgelenkig miteinander verbundene Schaleisen |
-
0
- DE DENDAT199149D patent/DE199149C/de active Active
- BE BE535250D patent/BE535250A/xx unknown
-
1954
- 1954-04-03 DE DEG14124A patent/DE1090613B/de active Pending
-
1955
- 1955-01-25 FR FR1121012D patent/FR1121012A/fr not_active Expired
- 1955-01-26 GB GB2348/55A patent/GB797673A/en not_active Expired
- 1955-03-08 US US492914A patent/US2959924A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB797673A (en) | 1958-07-09 |
FR1121012A (fr) | 1956-07-19 |
BE535250A (zh) | |
DE1090613B (de) | 1960-10-13 |
US2959924A (en) | 1960-11-15 |
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