YU287677A - Moving mechanism or a friction-guided sleigh on a caterpillar,of a type for a reinforcing support - Google Patents
Moving mechanism or a friction-guided sleigh on a caterpillar,of a type for a reinforcing supportInfo
- Publication number
- YU287677A YU287677A YU02876/77A YU287677A YU287677A YU 287677 A YU287677 A YU 287677A YU 02876/77 A YU02876/77 A YU 02876/77A YU 287677 A YU287677 A YU 287677A YU 287677 A YU287677 A YU 287677A
- Authority
- YU
- Yugoslavia
- Prior art keywords
- sleigh
- caterpillar
- guided
- friction
- type
- Prior art date
Links
- 230000003014 reinforcing effect Effects 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
- E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/10—Bogies; Frames
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Bridges Or Land Bridges (AREA)
- Framework For Endless Conveyors (AREA)
- Transmission Devices (AREA)
- Handcart (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7636768A FR2373434A1 (fr) | 1976-12-07 | 1976-12-07 | Chariot a chenille guidee par frottement pour engin, tel que pile de soutenement |
Publications (1)
Publication Number | Publication Date |
---|---|
YU287677A true YU287677A (en) | 1982-06-30 |
Family
ID=9180736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU02876/77A YU287677A (en) | 1976-12-07 | 1977-12-06 | Moving mechanism or a friction-guided sleigh on a caterpillar,of a type for a reinforcing support |
Country Status (11)
Country | Link |
---|---|
US (1) | US4232911A (xx) |
JP (1) | JPS5383902A (xx) |
AT (1) | AT353212B (xx) |
BE (1) | BE861468A (xx) |
CA (1) | CA1075024A (xx) |
DE (1) | DE2753060C2 (xx) |
FR (1) | FR2373434A1 (xx) |
GB (1) | GB1590466A (xx) |
PL (1) | PL111010B1 (xx) |
YU (1) | YU287677A (xx) |
ZA (1) | ZA777089B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7784571B2 (en) * | 2007-01-11 | 2010-08-31 | Glen Brazier | Motorized snowboard |
US7900723B2 (en) * | 2007-01-11 | 2011-03-08 | Glen Brazier | Motorized snowboard |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1316092A (en) * | 1919-09-16 | Caterpillar-tractor | ||
US1479408A (en) * | 1923-03-22 | 1924-01-01 | Lewis K Davis | Endless-track vehicle |
US1825075A (en) * | 1930-01-10 | 1931-09-29 | Harry A Knox | Flexible track for track laying vehicles |
US2484754A (en) * | 1946-07-12 | 1949-10-11 | Joseph P Silva | Carriage for trucks |
BE535086A (xx) * | 1954-01-25 | |||
DE1139084B (de) * | 1960-07-13 | 1962-11-08 | Maschf | Fahrbares, rahmenartiges Strebausbauglied |
FR2339057A1 (fr) * | 1976-01-26 | 1977-08-19 | Charbonnages De France | Support unitaire de soutenement marchant |
-
1976
- 1976-12-07 FR FR7636768A patent/FR2373434A1/fr active Granted
-
1977
- 1977-11-28 DE DE2753060A patent/DE2753060C2/de not_active Expired
- 1977-11-28 GB GB49425/77A patent/GB1590466A/en not_active Expired
- 1977-11-29 ZA ZA00777089A patent/ZA777089B/xx unknown
- 1977-12-01 AT AT861477A patent/AT353212B/de not_active IP Right Cessation
- 1977-12-02 BE BE6046245A patent/BE861468A/xx unknown
- 1977-12-05 CA CA292,403A patent/CA1075024A/fr not_active Expired
- 1977-12-06 JP JP14574177A patent/JPS5383902A/ja active Pending
- 1977-12-06 PL PL1977202678A patent/PL111010B1/pl unknown
- 1977-12-06 YU YU02876/77A patent/YU287677A/xx unknown
-
1979
- 1979-05-24 US US06/042,136 patent/US4232911A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2373434B1 (xx) | 1979-03-30 |
ATA861477A (de) | 1979-04-15 |
DE2753060C2 (de) | 1986-09-04 |
BE861468A (fr) | 1978-06-02 |
PL202678A1 (pl) | 1978-07-03 |
GB1590466A (en) | 1981-06-03 |
AT353212B (de) | 1979-11-12 |
CA1075024A (fr) | 1980-04-08 |
DE2753060A1 (de) | 1978-06-08 |
US4232911A (en) | 1980-11-11 |
JPS5383902A (en) | 1978-07-24 |
FR2373434A1 (fr) | 1978-07-07 |
ZA777089B (en) | 1978-09-27 |
PL111010B1 (en) | 1980-08-30 |
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