Matches 1 - 32 out of 32


Match Document Document Title
8783627 Shield device for a switch point adjusting element  
A shield device for a switch point adjusting element used in combination with a railroad switch. The device includes first and second shells that mate with one another to form a cover having an...
7946538 External point spring locking device  
The invention provides an external spring-loaded locking device for use with railroad switches. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that...
7913956 Mechanism for operating switch points  
The subject of the present invention is a mechanism for operating sets of switch points, comprising an actuator control assembly (1) actuating two points operating half-bars (2), each connected to...
7909294 Modular railroad switch stand  
A switch stand for a railroad switch permits the switch to be locked against unauthorized movement of the switch. The switch stand permits trailing operation, even if locked. Passage of the...
7267304 Railroad yard switch machine  
A railroad switch machine which is normally operated by an electric motor but which may be manually operated without causing rotation of the power shaft of the electric motor to enable the switch...
7070152 Sleeper-mounted railroad-switch actuator  
A railroad switch actuator has a transversely extending box sleeper having a pair of ends, adapted to be secured to a pair of longitudinally extending fixed rolling rails, and adapted to slidably...
6648276 Drop down lug for railroad switch application  
An improved railroad switch apparatus includes a switch machine, a locking system lug, a detection system lug, a lock rod connecting rod, a point detector connecting rod, and a pair of movable...
6422519 Railroad track switch operator  
An improved cylinder head for a railroad track switch operator includes totally self-contained electronics and pneumatics for easy and direct replacement of a cylinder head on a prior art switch...
6220553 Railroad switch stand  
An improvement in a railroad switch stand of the general type in which a vertical spindle is mounted for rotation within a switch stand housing, a horizontally extending connecting rod is...
6168120 Operator for a railroad implement  
An operator for a railroad implement is provided with a linkage which mechanically isolates an actuator from impact forces transmitted through the linkage. Isolation provided by the linkage...
6164601 Railroad switch machine  
A railway switch stand includes a housing with a vertical shaft having a lower end connected to the switch throw rod, the shaft being rotatable to reciprocate the throw rod. A plate is mounted...
5775647 Hydraulic switch stand  
An apparatus is provided for moving railroad switch points from side-to-side using a hydraulic power source operated using a DC electrical power source preferably in combination with a solar...
5772157 Operating railroad switches  
The railroad power switch operates from the energy stored in a hydraulic accumulator. A pump charges the accumulator and keeps it charged. A power cylinder acts on the moveable rail of a railroad...
5582370 Switch machine with ratchet mechanism on hand throw mechanism  
There is provided an improved hand throw device of an electric motor driven switch machine having a ratchet mechanism that permits torque to be applied to the hand throw device in either a...
5531408 Railroad switch stand  
A railroad switch stand for actuating a rail switch between open and thrown positions includes, in one embodiment, an upstanding frame supporting a handwheel at approximately chest height for...
5494242 Low profile switch machine with hand throw or motor throw selector device  
A switch machine for railroad tracks is provided having a low vertical profile without increasing the axial length of existing switch machines. Also, the capability of being operated by an...
5494243 Railroad switch stand with foot operated handle latch  
A railroad switch stand for switching railroad track switch points is provided with a manually-operated crank assembly that is coupled to the switch stand switching input shaft without included...
5417392 Hydraulic switch stand with rail pump charging and hydraulic lock  
The present invention relates to a hydraulic apparatus for moving railroad switch points from side-to-side. The apparatus has a hydraulic cylinder operatively connected to the switch points to...
5375796 Railway switch stand having slide block actuator and two independent operating mechanisms  
A railway switch stand includes a reciprocating toggle arm which extends from the stand to operate a railway track switch between open and closed positions. The toggle arm has one end connected to...
5052642 Switch stand  
A railroad track switch stand includes a support frame having a throw crank operably mounted thereon for reciprocating a connecting rod. A pair of cams are mounted on the throw crank so as to...
5050823 Radio-based railway switch control system  
A switch machine operates a track switch under radio control via a switch controller. The switch controller may be given an identifying address unique to it which distinguishes the switch machine...
4428552 Railroad switch machine  
A high-speed switch machine for actuating railroad switch points. The machine has an electric motor which drives a hydraulic pump. The pump supplies pressure fluid to a hydraulic cylinder adapted...
4337914 Railway switch stand cover  
A railroad head block switching installation having a safety cover secured to the track ties between which extend the connecting rod of the rail switching mechanism, so as to overlie such rod in...
3708660 PNEUMATICALLY-OPERATED TOGGLE YARD SWITCH  
A simple, direct, lost-motion linkage connection is provided between the switch operating crank of a conventional toggle-type yard switch and a double-acting pneumatic cylinder whereby the switch...
3652849 FOOT OPERATED TRACK SWITCH  
A manual switch operating device for a railway track has a switch-connected lever that is normally locked in either one of two positions and that is easily and quickly moved from one position to...
3621237 TRAILABLE RAILWAY SWITCH MACHINE  
This disclosure relates to a trailable railway switch machine for use in classification yards and the like for moving the switch points between their two extreme positions. The switch machine...
3483368 SWITCHING APPARATUS  
3427448 SWITCHING APPARATUS  
3363097 Railway switch mechanism  
3355585 Railroad switching device  
3312819 Safety mechanism for railway switch machines  
3136509 Railroad switch mechanisms  

Matches 1 - 32 out of 32