B25D17/00—Details of, or accessories for, portable power-driven percussive tools
B25D17/02—Percussive tool bits
E—FIXED CONSTRUCTIONS
E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Architecture
(AREA)
Civil Engineering
(AREA)
Structural Engineering
(AREA)
Snaps, Bayonet Connections, Set Pins, And Snap Rings
(AREA)