Fabricated hopper car outlet door frame

Details Fabricated hopper car outlet door frame Fabricated hopper car outlet door frame

1975-08-04

1977-07-19

Makay, Albert J.

Railway rolling stock

Special car bodies

Dumping

52656, 105253, 105424, 403205, 403231, B61D 702, B61D 722, F16B 100, F16B 507

Patent

active

040361497

ABSTRACT:
The door frame includes an upper frame member, a pair of Z-configuration side frame members secured to the upper frame member, a lower frame member, and a pair of Z-configuration corner fittings interconnecting the lower the frame member with the side frame members. Each corner fitting comprises a first wall section having an intermediate wall portion and first and second end flange portions, and a second wall section joined to the first wall section and having an intermediate wall portion and a first end flange portion. The first end flange portions have secured therebetween the adjacent end of one of the side frame members, while the second end flange portion is secured to the adjacent end of the lower frame member.

REFERENCES:
patent: 1953014 (1934-03-01), Hankins
patent: 2341612 (1944-02-01), Hankins
patent: 2519529 (1950-08-01), Wine
patent: 2589468 (1952-03-01), Wine
patent: 2589729 (1952-03-01), Rates
patent: 2591924 (1952-04-01), Dorey
patent: 2594580 (1972-04-01), Paul
patent: 2712289 (1955-07-01), Dorey
patent: 2784679 (1957-03-01), Wine
patent: 3722928 (1973-03-01), Skubic
patent: 3912407 (1975-10-01), Heininger

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