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Matches 1 - 16 out of 16
Document
Document Title
6164602
Railroad frog assembly with multi-position holdback
A railroad frog assembly is provided with a spring wing rail multi-position holdback subassembly that continuously retains the spring wing rail in each spring wing rail open position when activated by the wheels of a railcar traversing t...
4326466
Anti-back up device for conveyor trolley
A conveyor system comprising a track along which a plurality of carriers are movable. Each carrier includes a pusher dog that is movable into and out of position for engagement by a pusher lug of a conveyor chain. Each carrier is provide...
4296842
Pawl and ratchet mechanism
An improved pawl and ratchet mechanism is disclosed wherein at least one of a plurality of pawl elements movably disposed within a housing is movable into a least one of the spaces between the teeth of a toothed track ratchet irrespectiv...
2538477
Mine car safety device
1746163
Safety device
1499258
No Title Available
1179478
No Title Available
1151060
No Title Available
1018261
No Title Available
0990703
No Title Available
0904218
No Title Available
0862829
No Title Available
0387019
No Title Available
0283943
No Title Available
0038749
No Title Available
0002866
No Title Available
Matches 1 - 16 out of 16
