Title:
CENTERING GAUGE
Document Type and Number:
Japanese Patent JPH04256674
Kind Code:
A
Abstract:
PURPOSE: To locate the center line of a door roller as identical with the center line of a door rail certainly.
CONSTITUTION: A centering gauge 7 is equipped with a restricting part 7b to restrict the edge 4c of a bracket 4 and No.1, No.2 detent part 7c, 7d to be detained with the hatch door 6. This centering gauge 7 is detained with the hatch door 6, and the bracket edge 4c is pressed to the restricting part 7b, and in this condition, the bracket 4 is fastened to the hatch door 6 by bolts 5. This prevents damage due to biting-in of a hanger roller into the door rail, to lead to enhancement of the durability.
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Inventors:
KOBAYASHI FUSAO
Application Number:
JP3519291A
Publication Date:
September 11, 1992
Filing Date:
February 05, 1991
Export Citation:
Assignee:
HITACHI BUILDING SYST ENG
International Classes:
B66B7/00; B66B13/30; G01B5/00; (IPC1-7): B66B7/00; B66B13/30; G01B5/00
Attorney, Agent or Firm:
Kenjiro Take (1 person outside)