Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
  • B66B13/30—Constructional features of doors or gates
  • B66B13/301—Details of door sills
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
  • E06B1/04—Frames for doors, windows, or the like to be fixed in openings
  • E06B1/12—Metal frames
  • E06B1/18—Metal frames composed of several parts with respect to the cross-section of the frame itself

Landscapes

• Engineering & Computer Science (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)

Priority Applications (2)

Applications Claiming Priority (1)

Publications (1)

Family

ID=20262049

Family Applications (1)

Country Status (1)

• 1961
  • 1961-03-30 SE SE3406/61A patent/SE303848B/xx unknown

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