COLLAPSIBLE LADDER IN HOLD - NIPPON KOKAN KK

Title:

COLLAPSIBLE LADDER IN HOLD

Document Type and Number:

Japanese Patent JPS6259189

Kind Code:

A

Abstract:

PURPOSE:To obviate the congestion of cargos to a step to smooth cargo work and reduce a cleaning labor load by disposing spirally pivotably steps of a ladder on struts to be folded with the ladder is not used. CONSTITUTION:One end of a step 2 is hinged 6 to a strut 1 to be vertically pivoted and disposed spirally. The other end of the step is supportingly hinged 7 to a casing strut 3. Thus, the casing strut 3 functions as a shelf for preventing a person from dropping out of a ladder. And when the ladder is not used, the casing strut 3 is pulled up to be collapsed so that the congestion of cargos to the step 2 is obviated to smooth the cargo work. Also, violent fall accidents of passengers and operators and damages of the ladder can be reduced.

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Inventors:

TAMURA TSUKASA

Application Number:

JP19595785A

Publication Date:

March 14, 1987

Filing Date:

September 06, 1985

Export Citation:

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Assignee:

NIPPON KOKAN KK

International Classes:

B63B29/20; (IPC1-7): B63B29/20

Attorney, Agent or Firm:

Masahiro Tanaka

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