BENJAMIN BEAR LEFTON
Pilots at Bellington Ln, Saint Louis, MO

License number
Missouri A1105954
Issued Date
Oct 2016
Expiration Date
Oct 2017
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
157 Bellington Ln, Saint Louis, MO 63141

Personal information

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Name
Address
Phone
Benjamin Lefton, age 80
157 Bellington Ln, Saint Louis, MO 63141
(314) 497-4952
Benjamin B. Lefton
Creve Coeur, MO
(314) 878-4152
(314) 878-2471
Benjamin B Lefton, age 80
157 Bellington Ln, Saint Louis, MO 63141
(314) 878-2471
(314) 878-4152

Professional information

Benjamin Lefton Photo 1

Rail Gun Gauge Assembly And Method

US Patent:
3991638, Nov 16, 1976
Filed:
Dec 2, 1975
Appl. No.:
5/637020
Inventors:
Benjamin B. Lefton - Creve Coeur MO
International Classification:
B26F 102
US Classification:
83 50
Abstract:
In the combination of a railroad rail and a rail-piercing gun having a support area extending across the tread of the rail, a gauge is provided which includes a rail-end stop bearing against an end of the rail, and an elongated saddle bar connected to the stop, and having in a side away from the tread of the rail a plurality of seats spaced a distance equal to the desired lengthwise spacing of fish plate bolt holes to be formed by the gun, of a length and depth to accommodate closely the gun support area and of a height from the tread to locate the gun at the desired position heightwise of the web of the rail. In the use of the gauge, the gauge is placed on the rail, the gun is seated in a seat whereby the saddle bar is held in position laterally of the tread, the gun is moved away from the stop end of the gauge until the stop engages the end of the rail, a hole is formed with the gun, the gun is moved to another seat and the process is repeated.