Lifting devices specially adapted for particular uses not otherwise provided for: for

Official title: for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations ({Working platforms on fork-lift trucks B66F9/127; } vehicle aspects of service vehicles B60P3/14; platforms for cleaning windows A47L3/02; devices for rescuing persons from buildings A62B1/02; liftable or lowerable platforms for use on ladders E06C7/16; maintenance travellers for bridges E01D19/10; scaffolds on an extensible sub-structure E04G1/22)

B66F11/04 (Lifting devices specially adapted for particular uses not otherwise provided for: for) appears on 1,383 US grants and 1,310 published applications in this corpus.