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CA938501A - Lock mechanism for a hopper discharge gate - Google Patents

Lock mechanism for a hopper discharge gate

Info

Publication number
CA938501A
CA938501A CA117380A CA117380A CA938501A CA 938501 A CA938501 A CA 938501A CA 117380 A CA117380 A CA 117380A CA 117380 A CA117380 A CA 117380A CA 938501 A CA938501 A CA 938501A
Authority
CA
Canada
Prior art keywords
lock mechanism
discharge gate
hopper discharge
hopper
gate
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
CA117380A
Other versions
CA117380S (en
Inventor
M. Nester Francis
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.)
Keystone Industries Inc
Original Assignee
Keystone Industries Inc
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 Keystone Industries Inc filed Critical Keystone Industries Inc
Application granted granted Critical
Publication of CA938501A publication Critical patent/CA938501A/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
    • B61D7/20—Closure elements for discharge openings sliding

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
CA117380A 1970-07-13 1971-07-05 Lock mechanism for a hopper discharge gate Expired CA938501A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5424570A 1970-07-13 1970-07-13

Publications (1)

Publication Number Publication Date
CA938501A true CA938501A (en) 1973-12-18

Family

ID=21989728

Family Applications (1)

Application Number Title Priority Date Filing Date
CA117380A Expired CA938501A (en) 1970-07-13 1971-07-05 Lock mechanism for a hopper discharge gate

Country Status (2)

Country Link
US (1) US3707126A (en)
CA (1) CA938501A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837294A (en) * 1972-12-04 1974-09-24 Acf Ind Inc Cammed railway hopper gate latching apparatus
US3877392A (en) * 1973-12-28 1975-04-15 Acf Ind Inc Automatic gate locking mechanism
US3958514A (en) * 1973-12-28 1976-05-25 Acf Industries, Incorporated Automatic hopper gate locking mechanism
US3893398A (en) * 1974-06-14 1975-07-08 Miner Enterprises Lock means for slide gate of hopper outlet assembly
US4224879A (en) * 1978-06-12 1980-09-30 Keystone Industries, Inc. Railway hopper car door latch
US4256042A (en) * 1979-10-04 1981-03-17 Miner Enterprises, Inc. Railway hopper car sliding gate lock
US4301741A (en) * 1979-10-22 1981-11-24 Holland Company Hopper car outlet gate assembly with self cleaning gear and rack actuation arrangement
US4450773A (en) * 1981-01-23 1984-05-29 The Youngstown Steel Door Co. Sliding gate for a railroad hopper car
US4599948A (en) * 1982-02-08 1986-07-15 Acf Industries, Incorporated Railway hopper gate locking assembly
US4534298A (en) * 1983-02-16 1985-08-13 Keystone Industries, Inc. Lock and seal for hopper outlet
US5613446A (en) * 1995-05-02 1997-03-25 Trinity Industries, Inc. Railway hopper car gate valve and operating assembly
US5584251A (en) * 1995-07-10 1996-12-17 Keystone Industries, Inc. Railway car outlet gate assembly with automatic lock

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386020A (en) * 1943-05-17 1945-10-02 Frederick K Wendelken Sectional surface drain conduit
US2646006A (en) * 1948-12-24 1953-07-21 Entpr Railway Equipment Co Discharge outlet and closure assembly
US2638060A (en) * 1949-06-29 1953-05-12 Entpr Railway Equipment Co Discharge outlet for railway cars
US2738739A (en) * 1952-10-23 1956-03-20 Entpr Railway Equipment Co Railway car hopper outlet assembly
US3035530A (en) * 1958-05-15 1962-05-22 Pullman Standard Car Mfg Co Lock for enclosed sliding hopper gate
US3387570A (en) * 1966-09-22 1968-06-11 Acf Ind Inc Sequential hopper gate operating mechanism

Also Published As

Publication number Publication date
US3707126A (en) 1972-12-26
US3707126B1 (en) 1983-07-19

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