Adjustable boxcar door with double roller bogey traverse mechani

Details Adjustable boxcar door with double roller bogey traverse mechani Adjustable boxcar door with double roller bogey traverse mechani

1982-05-18

1984-05-15

Downey, Kenneth

Movable or removable closures

With means mounting closure for reciprocation

Revolving guide component; e.g., roller or gear

49472, E05D 1302

Patent

active

044479867

ABSTRACT:
An adjustable rolling type boxcar door has a main panel and a telescoping adjustable panel at its bottom for adjusting the overall height of the door to fit a variety of door openings. The adjustable panel is slidably retained between side frames in the main panel by stop blocks mounted along the inside edges of the side frames. The width of the door may be also adjusted by positioning a spark strip either closer or further away from the inside edge of the door opposite the closure mechanism. A pair of double roller, pivotally mounted bogeys are mounted in the adjustable panel and support the door from a door track mounted to the side of a boxcar. The double roller bogeys provide an improved traverse mechanism for supporting the considerable weight of a boxcar door and carrying it across what may be an uneven and rough track. There is also disclosed a method for adjusting the height of the door and installing it to a boxcar including the steps of measuring the height of the door opening, adjusting the height of the door by fixing the position of the adjustable panel, lifting the door, inserting the top of the door into the top door retainer, and positioning the lower end of the door on the door track and securing it into place by welding J-straps to the lower end of the door.

REFERENCES:
patent: 1925655 (1933-09-01), Ditchfield
patent: 2047855 (1936-07-01), Cornish
patent: 2114756 (1938-04-01), Wasberg
patent: 2310539 (1943-02-01), Nelson et al.
patent: 2902122 (1959-09-01), Beauchamp
patent: 3996643 (1976-12-01), Steigerwald

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