CA997211A - Spring assist unit for railroad hopper car door - Google Patents

Spring assist unit for railroad hopper car door

Info

Publication number
CA997211A
CA997211A CA172,841A CA172841A CA997211A CA 997211 A CA997211 A CA 997211A CA 172841 A CA172841 A CA 172841A CA 997211 A CA997211 A CA 997211A
Authority
CA
Canada
Prior art keywords
car door
hopper car
assist unit
spring assist
railroad hopper
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
Application number
CA172,841A
Other versions
CA172841S (en
Inventor
John A. Ritter
Robert E. Molloy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ORTNER FREIGHT CAR Co
Original Assignee
ORTNER FREIGHT CAR Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ORTNER FREIGHT CAR Co filed Critical ORTNER FREIGHT CAR Co
Application granted granted Critical
Publication of CA997211A publication Critical patent/CA997211A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D7/00—Hopper cars
    • B61D7/14—Adaptations of hopper elements to railways
    • B61D7/16—Closure elements for discharge openings
    • B61D7/24—Opening or closing means
    • B61D7/26—Opening or closing means mechanical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D7/00—Hopper cars
    • B61D7/14—Adaptations of hopper elements to railways
    • B61D7/16—Closure elements for discharge openings
    • B61D7/24—Opening or closing means
    • B61D7/28—Opening or closing means hydraulic or pneumatic

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
CA172,841A 1972-08-02 1973-05-31 Spring assist unit for railroad hopper car door Expired CA997211A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US27729872A 1972-08-02 1972-08-02
DE2358079A DE2358079A1 (en) 1972-08-02 1973-11-21 SPRING-LOADED DOOR STOP AND DOOR LOCKING DEVICE FOR AN EMPTYING GATE OF A RAILWAY FUNNEL

Publications (1)

Publication Number Publication Date
CA997211A true CA997211A (en) 1976-09-21

Family

ID=25766133

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,841A Expired CA997211A (en) 1972-08-02 1973-05-31 Spring assist unit for railroad hopper car door

Country Status (5)

Country Link
US (1) US3776142A (en)
JP (1) JPS5647074B2 (en)
AU (1) AU470580B2 (en)
CA (1) CA997211A (en)
DE (1) DE2358079A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948840A (en) * 1974-04-10 1976-04-06 American Cyanamid Company Aqueous solvent for halogen-containing acrylonitrile polymer
US4366757A (en) * 1980-11-20 1983-01-04 Ortner Freight Car Company Actuating and locking means for the hopper doors of a railroad hopper car
JPS58114371U (en) * 1982-01-29 1983-08-04 不二サッシ株式会社 Pulling mechanism of sliding shoji in aluminum sash
JPS58153674U (en) * 1982-04-09 1983-10-14 神鋼建材工業株式会社 Sliding door shoji pulling device
CA1261296A (en) * 1985-03-29 1989-09-26 Uls Corporation Particulate material handling
CN101746382B (en) * 2008-12-11 2013-09-04 南车长江车辆有限公司 Device for regulating gap of bottom door of railway hopper car
CN104875756B (en) * 2015-06-11 2017-10-31 中车长江车辆有限公司 A kind of coordinated type bottom door opening and closing mechanism and hopper wagon
CN104875757B (en) * 2015-06-11 2017-10-03 中车长江车辆有限公司 A kind of bottom door clearance adjustment mechanism and hopper wagon

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1963891A (en) * 1932-10-12 1934-06-19 Diver De Forest Cushioning device
US2124087A (en) * 1935-11-18 1938-07-19 Stout Motor Car Corp Shock strut
US2478608A (en) * 1945-07-21 1949-08-09 Lambert J Tillman Flat bottom gondola car
US2533536A (en) * 1947-05-09 1950-12-12 Lambert J Tillman Door mechanism for railway cars
US2650386A (en) * 1949-01-12 1953-09-01 Edwards Martha Furbish Swinging door control
US3162876A (en) * 1962-12-14 1964-12-29 Ronson Corp Coupling arrangement for polishing machine
US3192876A (en) * 1963-06-20 1965-07-06 Ortner Freight Car Co Spring loaded door construction for railroad hopper car
US3315616A (en) * 1964-02-24 1967-04-25 Bessemer And Lake Erie Railroa Motor actuated drop-bottom hopper car doors
US3596609A (en) * 1969-08-13 1971-08-03 Ortner Freight Car Co Rapid discharge hopper car door actuator
US3626865A (en) * 1970-01-05 1971-12-14 Pullman Inc Motor-actuated railway hopper car doors
US3712248A (en) * 1970-07-21 1973-01-23 Midland Ross Corp Spring loaded railway hopper car door

Also Published As

Publication number Publication date
AU5658173A (en) 1974-12-12
US3776142A (en) 1973-12-04
JPS4957512A (en) 1974-06-04
DE2358079A1 (en) 1975-05-28
AU470580B2 (en) 1976-03-18
JPS5647074B2 (en) 1981-11-07

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