49 C.F.R. § 236.764 Locking, lever operated.
Title 49 - Transportation
The mechanical locking of an interlocking machine which is actuated by means of the lever.
Title 49: Transportation
PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES
Subpart G—Definitions
§ 236.764 Locking, lever operated.