Plastic swingboard bracing panel

Details Plastic swingboard bracing panel Plastic swingboard bracing panel

1977-09-30

1979-10-16

Makay, Albert J.

Railway rolling stock

Car framing and structure

Freight

105376, 105497, B60P 706, B60P 714, B61D 4500, B61D 4900

Patent

active

041709462

ABSTRACT:
A freight retaining device adapted to be positioned between opposite, vertical walls of a freight containing compartment, such as a railroad freight car. The device is in the form of a swingboard fabricated from a pair of plastic sheets each having a plurality of longitudinally disposed and laterally spaced ribs separated by integral webs. The sheets are joined in an abutting relationship such that the ribs project outwardly on opposite sides of the joined sheets while the sheet outer edges are fused to define a unitary member. The opposite, longitudinal ends of the unitary member are provided with means for releasably engaging supporting rails carried by the opposite, vertical walls of the freight containing compartment.

REFERENCES:
patent: 642058 (1900-01-01), Worswick
patent: 1637748 (1927-08-01), Harmon
patent: 2629338 (1953-02-01), Koch
patent: 3115102 (1963-12-01), Rolfe, Jr. et al.
patent: 3554136 (1971-01-01), Falk
patent: 3680491 (1972-08-01), Chapman et al.
patent: 3783078 (1974-01-01), Brodhead
patent: 3900116 (1975-08-01), Gehri

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