US1657493A - Testing device and method for railway-traffic-controlling apparatus - Google Patents

Testing device and method for railway-traffic-controlling apparatus Download PDF

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Publication number
US1657493A
US1657493A US122119A US12211926A US1657493A US 1657493 A US1657493 A US 1657493A US 122119 A US122119 A US 122119A US 12211926 A US12211926 A US 12211926A US 1657493 A US1657493 A US 1657493A
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United States
Prior art keywords
railway
traffic
testing device
controlling apparatus
controlling
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US122119A
Inventor
Paul N Bossart
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Union Switch and Signal Inc filed Critical Union Switch and Signal Inc
Priority to US122119A priority Critical patent/US1657493A/en
Application granted granted Critical
Publication of US1657493A publication Critical patent/US1657493A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction

Description

Jan. 31, 1928. I v
. P. N. BOSSART TESTING DEVICE AND METHOD FOR RAILWAY TRAFFIC CONTROLLING APPARATUS Filed July 13. 1926 A Zis ZKes 9/ Pp when De-eneryized.
l I I n K 12345 IO 15 Train Spgaed in Miles per- Hou? I INVENTORI 4 Al a A'iTORNEY
US122119A 1926-07-13 1926-07-13 Testing device and method for railway-traffic-controlling apparatus Expired - Lifetime US1657493A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US122119A US1657493A (en) 1926-07-13 1926-07-13 Testing device and method for railway-traffic-controlling apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US122119A US1657493A (en) 1926-07-13 1926-07-13 Testing device and method for railway-traffic-controlling apparatus

Publications (1)

Publication Number Publication Date
US1657493A true US1657493A (en) 1928-01-31

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US122119A Expired - Lifetime US1657493A (en) 1926-07-13 1926-07-13 Testing device and method for railway-traffic-controlling apparatus

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US (1) US1657493A (en)

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