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Class Information
Number: 213/152
Name: Railway draft appliances > Couplings > Counterpart > Interengaging hooks and knuckles > Horizontally swinging > Janney type > Knuckle and head interengagement
Description: Patents showing interengaging means on the knuckle and coupler head, usually to relieve the knuckle pin from strain.










Patents under this class:

Patent Number Title Of Patent Date Issued
5582307 Railway car coupler knuckle Dec. 10, 1996
5285911 Coupler knuckle pin protector structure and stress reliever Feb. 15, 1994
4976362 Pulling lug for railway vehicle coupler Dec. 11, 1990
4645085 Method of enhancing rigidity in a railway car coupler knuckle Feb. 24, 1987
4146143 Automatic coupler for railway vehicles Mar. 27, 1979
4024958 Coupler knuckle contour May. 24, 1977











 
 
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