Plastic knuckle pin

Details Plastic knuckle pin Plastic knuckle pin

1996-03-27

1997-05-20

Morano, S. Joseph

Railway draft appliances

Couplings

Counterpart

213156, 384624, 16386, B61G 304

Patent

active

056305192

ABSTRACT:
An improved plastic knuckle pin for a coupler on a railway car and a method of making the improved plastic knuckle pin whereby the improved plastic knuckle pin has a substantially uniform material matrix and the method of making the pin increases uniformity in the material by increasing the surface cooling area which decreases air and moisture pockets in the material during the molding process.

REFERENCES:
patent: 440586 (1890-11-01), Eastwick, Jr.
patent: 577389 (1897-02-01), Reagan
patent: 1857035 (1932-05-01), Tomlinson
patent: 2857057 (1958-10-01), Metzger
patent: 4640422 (1987-02-01), Elliott
patent: 4756053 (1988-07-01), Madden et al.
patent: 4976363 (1990-12-01), Altherr
patent: 5145076 (1992-09-01), Murphy et al.
"Webster's New World Dictionary: Third College Edition", Simon & Shuster Inc., p. 1169.
"The M&T Straight Pin Hole Coupler Knuckle," McConway & Torley Corporation, Jan. 9, 1989.
Association of American Railroads (AAR) Specification M-118-61, Jan. 9, 1989.

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