US669891A - Receiving apparatus for tubular transit systems. - Google Patents

Description

No. 669,89I. Patented Mar. l2, moi;

w. A. H. BOGABDUS.

RECEIVING APPARATUS FOR TUBULAR IBANSIT SYSTEMS.

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Patented Mar. 12, l90l'.

No. 669.,89l.

v v w. A. H. osmn'us. RECEIVING APPARATUS FOR TUBULAR TRANSIT SYSTEMS.

v (Application filed Oct. 23, 1900.,- (Ho Model.) 2 Sheets--Shaat 2..

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- NlTE STATES ,ATENT Prion.

\VASHINGTON A. H. BOGARDUS, OF NEWV YORK, N.

REGEIVING' APPARATUS FOR TUBULAR TRANSIT SYSTEMS SPECIFICATION forming part of Letters Patent No. 669,891, dated March 12, 1901. Application filed October 23, 1900. Serial No. 34,603. '(No model.)

To all whom it may concern:

Be it known that I,WASHINGTON A. H. BO- GARDUS, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented new and useful Improvements in Receiving Apparatus for Tubular Transit Systems, of which thefollowing is a specification.

My invention relates to apparatus for tubular transit systems, and more particularly to receiving apparatus for saidsystems, and is especially adapted for intermediate stations where it is required not to exhaust the line to the atmosphere at any time; and the object of the present invention is to provide an efficient machine of simple and durable construction designed to operate safely and positively and of such arrangement of cooperating parts as will render the same absolutely reliable. Iattain this object in the machine illustrated in the drawings forming a part of this application, in which Figure 1 is a longitudinal vertical section of my receiver; Fig. 2, a detail section of excess pressure exhaust valve, locking bolts, operating means therefor, and valve operated thereby; Fig. 3, a vertical cross-section cen trally of same, and Fig. 4 a detail section of trip-finger valve.

Referring to the drawings, this machine is adapted to be used in connection with the cushioning-chamber shown in my application, Serial No. 26,493, filed August 10,1900, a part of which mechanism is shown at the lower left-hand corner of Fig. 1.

1 is a section of incoming transit-pipe or the auxiliary cushioning-chamber mentioned above; 2, an entrance-gate; 3, an exit-gate; 4, a piston-rod carrying said entrance-gate 2; 5, a piston-rod carrying said exit-gate 3; 6, a piston (not shown) fast on said piston-rod 4; 7,a piston fast on said piston-rod 5; 8, acylinder for said piston 6; 9, a cylinder for said piston 7; 10, the casingof valve for cylinder 8; 11, the casing of valve for cylinder 9; 12, air-pressure-supply pipe for said valves, said valves being substantially alike, said pipe 12 entering chambers 13 in the valvebasings; 14 15, ports leading from opposite ends of the cylinders 8 9 to a valve-barrel 15 in the valvecnsings, said valve-barrel 15 being open at either end into a chamber 16, from which leads the exhaust-pipe 24.

A valve-stem 17 is centrally located in the valve-barrel 15 and carries fast pistons 18 18 and also projects through the casings 10 and 11 and carries a flexible diaphragm 22 in a diaphragm-chamber 2O 21. The valve-stem 17 also projects clear through the chambers 20 21 and is provided with a knob 23 for hand operation in case of emergency. A spring 19 normally holds the valve-stem 17 and pistons 18 18 in their upward position in valve-casing 11 and is seated on the bottom of the casing 11; but the similar spring performing the same function in valve-casing 10 is seated on the top of the casing 10 and holds the valvestem 17 and pistons 18 18 in their lower position. A pipe 43 enters the diaphragm-chamber 21 above the diaphragm 22, and a pipe 44 enters the diaphragm-chamber 20 below the diaphragm 22. A receiving-chamber 45 is formed between the gates 2 and 3. From the chamber 45 a port 25 leads into a valve-casting 46. In the casting 46 is a cylinder 28, in which a valve-piston 26 works, and which piston is seated on a valve'seat 27 in the casting 46 and over port 25. Just above the valve-seat 27 and in the cylinder 28 a port 34 leads to an exhaust-pipe 35. A pressure-balancing pipe 36 enters the cylinder 28 over the valve-piston 26, which pipe 36 leads from the line, thereby admitting the same pressure above the valvepiston 26 as that below the same coming through port 25 from chamber45. The valve-piston 26 is normally held seated by a spring 33, hearing against the top of the casting 46. Fast to the valve-piston 26 is a piston-rod 29, passing through the top of the casting 46 and having a slot in its upper portion. Journaled on a project-ion of the valve-casting 46 is a hand-lever 31, one end of which engages the slot 30 in the piston-rod 29. A spring 32 normally holds the lever 31 in the position shown in Fig. 2. The slot 30 is of such length that the pistonrod 29 may be raised without encountering the lever 31 when said lever is in its normal position; but when the valve 26 is seated it may be raised by depressing the handle of lever 31, which lever will engage the upper end of the slot 30 and raise the valve 26 against the pressure of spring33, all of which constitutes means for raising said valve by hand. The piston-rods 4 and 5 are preferably extended through the tops of cylinders Sand 9 to provide supplemental means for the guidance of the pistons 6 and 7, and the extreme upper end of such projection is provided with a knob 47, which may serve as a means of hand operation in case of emergency.

' A shaft 48 is slidably mounted in the valvecasting 46 and is capable of longitudinal movement. Said shaft 48 is somewhat longer than the distance between the inner faces of the two gates 2 and 3, and for the purpose of bringing its ends as near as possible to the wall of the transit pipe and chamber an angle portion 49 has been applied thereto at either end and rigidly attached to the main shaft by connecting-straps 5O 50.

Upon the shaft 48 are rigidly secured a piston 51, working in a cylinder 52, attached to the valve-casting 46, and a valvepiston 53, having two annular recesses 54 and 55. In the casting of the cylinder 52 is formed a valve-barrel 56, in which works the valvepiston 53. The valve-barrel 56 is provided with a port 57, slightly elongated, which is adapted to communicate, through recess54, with a port 58 when the valve-piston 53 is in its left-hand position and with port 58 through recess 54 and a port 59 through recess when the valve-piston 53 is in its right-"hand position. A spring 60, normally holding piston 51, shaft 48, and valve-piston 53 in their righthand position, is seated against the left-hand end of cylinder 52 and bears against piston 51. A locking-pin 37 is mounted in an aperture in the valve-casting 46 and is adapted to be pushed under valve 26 when the same is raised to lock said valve.v A piston 38 is fast on said pin 37 and Works in a cylinder 39, attached to the valve-casting 46. Said locking-pin 37 projects out of said cylinder.

39, and its outer end is provided with a knob 41 for hand operation in case of necessity.

A spring 40, seated against the outer end of cylinder 39 and bearing against piston 38, normally holds said locking-pin 37 against said valve 26 in position to throw said pin under and lock said valve 26 upon the raising of the same.

A pipe 43 enters cylinder 39 by a port midway of said cylinder, which is covered by piston 38 when pin 37 bears against valve 26 or is under the same in locking position, but

which is uncovered when said pin 37 has been I casting 66, in which is a valve-barrel 67. A valve-piston 68 works in said barrel 67 and is provided with an annular recess 69, a lower projecting portion 70, projecting below the casing 66, and an upper projecting portion 71. The barrel 67 is provided with two ports 72 73. The upper projecting portion 71 carries a rigidly-secured flexible diaphragm 74, working in a diaphragm-chamber 75, and the extreme upper end of said upper projecting portion 71 is provided with a hand-knob 76 for hand operation in case of necessity. A pipe 77 enters the diaphragm-casing above the diaphragm 74 and connects with the gate-chamber 78, which communicates at all times with with port 72 when the valve 68 is in its upperposition. The pipe 44 connects with port 58, the pipe 42 with port 59, and pipe 36 and port 73 both with the line air-supply.

The operation of this device is asfollows: The machine in its normal position has the entrance-gate 2 open and exit-gate 3 closed, no pressure being applied to the diaphragms in the casings 20 and 21. A carrier entering from transit-pipe 1 into chamber45 produces an excess pressure before it which is immediately transmitted through port 25 to valve 26, lifting said valve 26. As valve 26 is raised the locking-pin 37 snaps under it and locks it in its raised position. In this raised position valve 26 exhausts the chamber 45, the entrance-gate 2 having been closet] simultaneously with the raising of valve 26 through port 34 and pipe 35 to the atmosphere, coaxing the carrier into the forward end of chamber 45. Simultaneously with the raising of valve 26 the said excess pressure is transmitted through gate-chamber 78 and pipe 77 to the upper side of diaphragm 74, throwing valve 68 down and admitting air-pressure from the line through port 73, recess 69, port 72, pipe 79, port 57, recess 54, and pipe 44 to the under side of thediaphragm 22 in casing 20, throwing the valve in casing 10 against the pressure of its spring and admitting pressure from the line to the top side of the piston in cylinder 8 and closing gate 2. At the same time this action takes place air-pressure is admitted through port 80 from pipe 79 to the right-hand side of piston 51, forcing the shaft 48 and its angular portion 49 against gate 2, which is closing. As soon as the gate 2 has entirely closed the shaft 48 jumps above the same, locking it and at the same time admitting pressure from pipe 79 through port 57, recess 55, and pipe 42 to piston 38, withdrawing pin 37 and allowing valve 26 to become seated. When the piston 38 has ICC been forced back far enough to open the port leading to pipe 43, the air-pressure continues through pipe 43 to the upper side of diaphragm in casing 21, throwing the valve in casing 11 and opening gate 3. The carrier then is ejected upon table 82 by air entering through ports in the mechanism mentionedin the previous application, and, in passing out of the chamber 45,encounters and throws up the tripfinger 61, the spring-pawl 64 riding under projection of the valve 68. As the carrier passes beyond the trip-finger 61 said finger is returned to its normal position by the spring 63, the pawl engaging the under side of the projection 70 and forcing the valve 68 to its upper position, cutting 0E pressure through pipe 79 and exhausting pressure through port 81 from all the valves, allowing the spring for returning each of said valves to return the same to their normal positions, thus closing gate 3 andopening gate 2. It will be seen that as theshaft 48 is longer than the distance between the inner faces of the two gates the spring 60 will exert itself to unlock gate 2, but the shaft 48 will not move farther than the face of gate 3 until that gate is entirely closed, and therefore will not unlock gate 2 until gate 3 is entirelyclosed, and vice versa. This mechanism absolutely and positively prevents both gates being opened simultaneously and the line exhausted.

It is obvious that various changes in the details and construction of my device may be made without departing from the spirit of my invention.

What I claim, and desire to secure by Letters Patent, is-

1. In tubular transit apparatus, in combination with two gates, a locking and releasing longitudinally-moving rod mounted between said gates and of greater length than the distance between the inner faces of said gates, adapted to simultaneously lock one and release the other of said gates, substantially as described.

2. In tubular transit apparatus, in combination with two gates, a locking and releasing longitudinallymoving rod mounted between said gates and of greater length than the distance between the inner faces of said gates, adapted to simultaneously lock one and release the other of said gates, and a valve operated by said rod, substantially as described.

3. In tubular transit apparatus, in combination with two gates, a locking and releasing longitudinally-moving rod mounted between said gates and of greater length than the distance between the inner faces of said gates, adapted to simultaneously lock one and release the other of said gates and a valvepiston integral with said rod and adapted to be moved therewith, substantially as described.

4. In tubular transit apparatus, in combination with two gates, a locking and releasing longitudinally-moving rod mounted between said gates and of greater length than the distance between the inner faces of said gates, adapted to simultaneously lock one and release the other of said gates and a piston fast on said rod, and a cylinder for said piston, said rod adapted to be moved by airpressure admitted to said cylinder and piston, substantially as described.

5. In tubular transit apparatus, in combination with two gates, an entrance and an exit gate, a locking and-releasing longitudinally-movingrod mounted between said gates and of greater length than the distance between the inner face of said gates, adapted to simultaneously lock one and release the other'of said gates, and a spring normally holding said rod locking said exit-gate, substantially as described.

6. In tubular transit apparatus, in combination with an entrance and an exit gate, and pneumatic operating mechanism for said gates and an air-supply, a locking and re-' leasing longitudinally-moving rod mounted between said gates and of greater length than the distance between the inner faces of said gates, adapted to simultaneously lock one and release the other of said gates and a valve operated by said rod opening communication between said air-supply and said exit-gateoperating mechanism when said rod is in position of locking said entrance-gate, substantially as described.

7. In tubular transit apparatus, in combination with an entrance and an exit gate, pneumatic operating mechanism therefor and a source of air-pressure supply, of an airpressure conduit, a main valve in said conduit designed to be opened by excess pressure from a chamber between said gates and closed by a trip-finger mechanism without said exitgate, an unobstructed air-pressure conduit from said main valve to said entrance-gateoperating mechanism, and an exhaust-port in said main valve for exhausting said latter conduit when said main valve is closed, substantially as described.

8. In tubular transit apparatus, the combination with an entrance and exit gate, pneumatic operating mechanism for said gates and an air-supply, of a locking and releasing longitudinallymoving rod mounted between said gates and of greater length than the distance between the inner faces of said gates, a gate-operating supply-pipe communicating with said entrance-gate-operating mechanism, a valve operated by said rod adapted to open communication between said gate-operating supply-pipe and said exit-gate-operating mechanism when said rod is in position of locking said entrance-gate and a valve adapted to open communication between said air-supply and gate-operating supply-pipe when in one position and between said gateoperating supply-pipe and an exhaust-port when in its other position, substantially as described.

9. In tubular transit apparatus, the combination with a receiving and cushioning chamber, entrance and exit gates therefor, pneumatic operating mechanism for said gates and an air-pressure supply, of a gate-operating supply-pipe communicating with said entrance-gate-operating mechanism, a looking and releasing longitudinally-moving rod mounted between said gates and of greater length than the distance between the inner surfaces of said gates, a valve operated by said rod adapted to open communication between said gate-operating supply-pipe and said;exit-gate-operatin g mechanism when said rod is in position of locking said entrancegate and closing said communication when in its other position, a trip-finger valve adapted to open communication between said air-pressure supply and said gate-operating supplypipe when in one position and between said gate-operating supply-pipe and exhaust-port when in its other position, a diaphragm fast to said valve, a casing for said diaphragm,

communicating means between said casing and said cushioning-chamber,excess pressure from said cushioningchamber adapted to throw said valve to the former position, and a trip-finger without said exit-gate adapted to throw said trip-finger valve to the latter position, substantially as described.

10. Intubulartransitapparatus,thecombination with a receiving and cushioning chamber, an exit-gate therefor, pneumatic operating mechanism for said gate, and an airsupply for said pneumatic operating mechanism, of an eXcess-pressure-exhaust valve for said receiving-chamber communicating with said chamber, a line pressure balance chamber above said valve, a spring for seating said valve, a locking-pin for said valve, a spring normally tending to cause said pin to assume its locking position, a piston fast on said pin, a cylinder for said piston, a pipe leading from the source ofair-supply to the innermost part of said cylinder, a pipe leading from the side of said cylinder and covered by said piston when the pin is in looking position, and hand operating mechanism for operating said exhaust-valve and locking-pin by hand, substantially as described.

11. In tubular transitapparatus, the combination with an exit-gate pneumatic operating mechanism and an air-pressure supply therefor and acushioning-chamber, of an excess-pressure-exhaust valve having a linepressure balance and a seating-spring, said exhaust-valve communicating with said cushioning-chamber,a locking-pin adapted to lock said exhaust-valve in its open or exhausting position, a piston fast on said locking-pima cylinder for said piston, a spring normally" holding said pin in its locking position, a port leading from the extremeinner portion of said cylinder to said air-pressure supply, and a port in said cylinder outward of said before-mentioned port and adapted to be covered by said piston when said pin is in its locking position but uncovered when said piston has been Withdrawn to its full extent, substantially as described. I

12. In tubular-transit apparatus, thecombination with an entrance and an exit gate and pneumatic operating mechanism therefor of an auxiliary air-pressure supply,a main valve for said supply designed to be opened by excess pressure from a chamber between said gates and closed by a trip-finger mechanism without said exit-gate, an unobstructed airpressure conduit from said main valve to said entrance-gate-operating mechanism, a looking and releasing bolt for said gates, an airpressure conduit from said main valve communicating with said exit gate-operating mechanism, a valve operated by said bolt in said latter conduit designed to admit airpressure to said eXit-gate-operating mechanism when said bolt is in position of locking said entrance-gate, and an exhaust-port in said main valve for exhausting said conduits whensaid main valve is closed, substantially as described.

13. In tubular transit apparatus, the combination with a receiving-chamber and means for closing the same to the line of an excesspressure valve for said chamber, an automatic locking-pin for locking said valve in its raised or open position, and pneumatic mechanism for withdrawing or releasing said locking-pin actuated by the complete closure of said means for closing the receiving-chamber to the line, substantially as described.

14:. In tubular transitapparatus, the com bination with an entrance and an exit gate, a receiving-chamber intermediate said gates, pneumatic operating mechanism for said gates, and a source ofair-pressu're supply of a main valve designed to be opened by excess pressure from said chamber and closed by a trip-finger mechanism without said exitgate, a locking-bolt designed to simultaneously lock one and release the other of said gates, an excesspressure-exhaust valve for said chamber, unobstructed communication between said main valve and said entrancegate-operat-ing mechanism,an automatic locking-pin designed to lock said excess-pressureexhaust valve when said valve is raised or opened, pneumatic release mechanism for said locking-pin, an air-pressure conduit between said main valve and said pneumatic release mechanism, a valve in said conduit actuated by said bolt, said valve opened when said bolt is in position for locking said entrance-gate and closed when in its other position, a second conduit leading to said exitgate-operating mechanism opened to said first conduit by the complete withdrawal or release of said locking-pin and closed by the locking of the same, and'an exhaust-port in said main valve designed to exhaust the airpressure from said gate-operating mechanisms upon the closure of said main valve, substantially as described.

15. In tubular transit apparatus, the combination with an entrance and an exit gate, of a said main valve and said pneumatic boltmoving mechanism, and an exhaust-port in I 5 said main valve for exhausting said pneumatic bolt-moving mechanism when said main valve is closed, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of 20 two subscribing witnesses.

WASHINGTON A. H. BOGARDUS.

Witnesses:

GEORGE G. POWELL, LL'OYD COLLIS.

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