Railway car coupler knuckle having improved bearing surface

Details Railway car coupler knuckle having improved bearing surface Railway car coupler knuckle having improved bearing surface

2008-03-04

2008-03-04

Johnson, Jonathan (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S368000, C213S0750GT

Reexamination Certificate

active

11331723

ABSTRACT:
Knuckle coupler castings and methods for casting the knuckle coupler castings, where the knuckle coupler castings having enhanced bearing surfaces which may include a vertically flat surface.

REFERENCES:
patent: 2585958 (1952-02-01), Metzger
patent: 2688412 (1954-09-01), Kulieke
patent: 3670901 (1972-06-01), Metzger
patent: 3722708 (1973-03-01), Ion et al.
patent: 3779397 (1973-12-01), De Penti
patent: 3856156 (1974-12-01), Metzger
patent: 3857495 (1974-12-01), Kaufhold
patent: 3872978 (1975-03-01), Altherr
patent: 4024958 (1977-05-01), Kaufhold
patent: 4090615 (1978-05-01), Martin
patent: 4143701 (1979-03-01), Oshinsky et al.
patent: 4206849 (1980-06-01), Kaim
patent: 4605133 (1986-08-01), Altherr
patent: 4645085 (1987-02-01), Hanula et al.
patent: 4811854 (1989-03-01), Elliott
patent: 5050751 (1991-09-01), Thrift et al.
patent: 5582307 (1996-12-01), Hawthorne et al.
patent: 5954212 (1999-09-01), Beatty et al.
patent: 6129227 (2000-10-01), Openchowski et al.
patent: 2003/0127412 (2003-07-01), Mautino et al.
patent: 19963 (1914-09-01), None
patent: 708196 (1954-04-01), None
Notification Concerning Transmittal of Copy of International Preliminary Report on Patentability; International Patent Application PCT/US2005/027168 (8 pages).

Affiliated with

Also associated with

Rating

Railway car coupler knuckle having improved bearing surface does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Railway car coupler knuckle having improved bearing surface, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Railway car coupler knuckle having improved bearing surface will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3954470