IT1021914B - Dispositivo di comando dello sterzo a frizione e a freno per trattori cingolati - Google Patents
Dispositivo di comando dello sterzo a frizione e a freno per trattori cingolatiInfo
- Publication number
- IT1021914B IT1021914B IT5370474A IT5370474A IT1021914B IT 1021914 B IT1021914 B IT 1021914B IT 5370474 A IT5370474 A IT 5370474A IT 5370474 A IT5370474 A IT 5370474A IT 1021914 B IT1021914 B IT 1021914B
- Authority
- IT
- Italy
- Prior art keywords
- clutch
- steering device
- brake steering
- tracked tractors
- tractors
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/08—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using brakes or clutches as main steering-effecting means
-
- 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
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/8671—With annular passage [e.g., spool]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40986573 US3895703A (en) | 1973-10-26 | 1973-10-26 | Combined steering clutch and brake control for crawler tractors |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1021914B true IT1021914B (it) | 1978-02-20 |
Family
ID=23622292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5370474A IT1021914B (it) | 1973-10-26 | 1974-10-24 | Dispositivo di comando dello sterzo a frizione e a freno per trattori cingolati |
Country Status (7)
Country | Link |
---|---|
US (1) | US3895703A (it) |
JP (1) | JPS5833150B2 (it) |
BR (1) | BR7407442D0 (it) |
CA (1) | CA1007167A (it) |
FR (1) | FR2248969B1 (it) |
GB (1) | GB1443867A (it) |
IT (1) | IT1021914B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5824805B2 (ja) * | 1974-10-11 | 1983-05-24 | 株式会社小松製作所 | セイギヨベン |
US4093048A (en) * | 1976-05-21 | 1978-06-06 | Caterpillar Tractor Co. | Vehicle steering brake and clutch control |
US4299300A (en) * | 1976-05-21 | 1981-11-10 | Caterpillar Tractor Co. | Vehicle steering brake and clutch control |
US4307796A (en) * | 1976-05-21 | 1981-12-29 | Caterpillar Tractor Co. | Vehicle steering brake and clutch control |
US4230152A (en) * | 1978-01-16 | 1980-10-28 | Fiat-Allis Construction Machinery, Inc. | Multi-function control valve |
US4253555A (en) * | 1978-02-09 | 1981-03-03 | Caterpillar Tractor Co. | Vehicle steering brake and clutch control |
US4301713A (en) * | 1978-12-07 | 1981-11-24 | Caterpillar Tractor Co. | Apparatus for supplying fluid to a plurality of mechanisms |
JPS568759A (en) * | 1979-06-29 | 1981-01-29 | Komatsu Ltd | Hydraulic control valve in crawler vehicle for clutch and brake to steer right and left |
US4399896A (en) * | 1981-06-25 | 1983-08-23 | Deere & Company | Steering brake and clutch control |
US4479563A (en) * | 1982-11-26 | 1984-10-30 | J. I. Case Company | Crawler track transmission system |
US5058717A (en) * | 1990-09-21 | 1991-10-22 | Caterpillar Inc. | Clutch and brake control circuit for a vehicle |
JP3717158B2 (ja) * | 2001-11-09 | 2005-11-16 | 本田技研工業株式会社 | 油圧バルブ |
US7631591B2 (en) * | 2006-11-21 | 2009-12-15 | Clark Equipment Company | Two stage spool centering mechanism |
WO2021154369A1 (en) * | 2020-01-27 | 2021-08-05 | Parker-Hannifin Corporation | Valve with an adjustable flow sharing pressure compensator |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2370597A (en) * | 1942-10-29 | 1945-02-27 | Lord Mfg Co | Brake controlling device |
US2392423A (en) * | 1942-11-09 | 1946-01-08 | Hydraulic Control Engineering | Hydraulic control system |
US2897787A (en) * | 1955-07-29 | 1959-08-04 | Int Harvester Co | Servo-motor |
US2941639A (en) * | 1956-04-30 | 1960-06-21 | Gen Motors Corp | Clutch and brake for steering vehicle |
US3080026A (en) * | 1961-07-11 | 1963-03-05 | Allis Chalmers Mfg Co | Clutch and brake control |
US3262525A (en) * | 1964-04-28 | 1966-07-26 | Caterpillar Tractor Co | Pedal actuated steering clutch and brake controls for tractors |
US3262467A (en) * | 1964-07-27 | 1966-07-26 | Parker Hannifin Corp | Spool valve with cavitation-minimizing valve assembly |
US3494449A (en) * | 1967-03-29 | 1970-02-10 | Komatsu Mfg Co Ltd | Control system in vehicle having steering clutches and brakes |
US3473566A (en) * | 1968-04-19 | 1969-10-21 | Clark Equipment Co | Control valve |
FR2129156A5 (it) * | 1971-03-17 | 1972-10-27 | Citroen Sa |
-
1973
- 1973-10-26 US US40986573 patent/US3895703A/en not_active Expired - Lifetime
-
1974
- 1974-08-29 CA CA208,114A patent/CA1007167A/en not_active Expired
- 1974-09-06 BR BR744274A patent/BR7407442D0/pt unknown
- 1974-10-11 FR FR7434363A patent/FR2248969B1/fr not_active Expired
- 1974-10-24 IT IT5370474A patent/IT1021914B/it active
- 1974-10-25 GB GB4632474A patent/GB1443867A/en not_active Expired
- 1974-10-26 JP JP49123851A patent/JPS5833150B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5833150B2 (ja) | 1983-07-18 |
US3895703A (en) | 1975-07-22 |
JPS5073336A (it) | 1975-06-17 |
FR2248969B1 (it) | 1978-11-24 |
CA1007167A (en) | 1977-03-22 |
GB1443867A (en) | 1976-07-28 |
FR2248969A1 (it) | 1975-05-23 |
BR7407442D0 (pt) | 1975-09-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7700179A (pt) | Sistema hidraulico de um veiculo de trabalho | |
BR7406344D0 (pt) | Um engate de trator | |
IT1021914B (it) | Dispositivo di comando dello sterzo a frizione e a freno per trattori cingolati | |
IT1003137B (it) | Miglioramenti su o relativi a ruote per veicoli | |
FR2283812A1 (fr) | Tracteur a chenilles | |
IT990317B (it) | Veicolo a cingoli | |
IT1000780B (it) | Giunto ad articolazioni manovrabile per trattori | |
IT1065366B (it) | Complesso combinato di sterzo e di frenatura per trattori cingolati | |
FR2291070A1 (fr) | Dispositif de freinage hydraulique assiste | |
IT1008451B (it) | Veicolo a ruote | |
IT971122B (it) | Unita sensibile a trazione per trattori | |
IT977097B (it) | Dispositivo di accoppiamento per trattrici | |
AR198995A1 (es) | Tractores que tienen un enganche de implemento levantable por fuerza motriz | |
SE383303B (sv) | Hydrauliskt manovrerat styrsystem for hjulgaende fordon | |
BR7201544D0 (pt) | Acionador de freio hidraulico | |
RO71145A (ro) | Dispozitiv de sesizare a fortei de tractiune la tractoare | |
IT1089668B (it) | Sistema a servosterzo idraulico per autoveicoli o trattori | |
CA923411A (en) | Road wheel for crawler tractor | |
CA1011785A (en) | Integrated brake system for crawler tractors | |
IT1030238B (it) | Dispositivo idraulico di sterzo | |
IT1037553B (it) | Dispositivo di sterzatura per trattori a cingoli | |
SE399305B (sv) | Hydrauliskt styrsystem | |
IT999785B (it) | Giunto d attacco per trattori | |
IT1050620B (it) | Sistema di frenatura per una trattrice stradale con rimorchio | |
SU500392A1 (ru) | Гидросистема трактора |