FR1119780A - Helical escalator - Google Patents

Helical escalator

Info

Publication number
FR1119780A
FR1119780A FR1119780DA FR1119780A FR 1119780 A FR1119780 A FR 1119780A FR 1119780D A FR1119780D A FR 1119780DA FR 1119780 A FR1119780 A FR 1119780A
Authority
FR
France
Prior art keywords
escalator
helical
helical escalator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Martin Hefti
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1119780A publication Critical patent/FR1119780A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B21/00—Kinds or types of escalators or moving walkways
    • B66B21/02—Escalators
    • B66B21/06—Escalators spiral type
FR1119780D 1954-01-13 1955-01-12 Helical escalator Expired FR1119780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1119780X 1954-01-13

Publications (1)

Publication Number Publication Date
FR1119780A true FR1119780A (en) 1956-06-25

Family

ID=4558583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1119780D Expired FR1119780A (en) 1954-01-13 1955-01-12 Helical escalator

Country Status (1)

Country Link
FR (1) FR1119780A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108083076A (en) * 2018-01-29 2018-05-29 陈爱珍 A kind of escalator detection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108083076A (en) * 2018-01-29 2018-05-29 陈爱珍 A kind of escalator detection device

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