FR662707A - Improvements to safety devices for elevators - Google Patents

Improvements to safety devices for elevators

Info

Publication number
FR662707A
FR662707A FR662707DA FR662707A FR 662707 A FR662707 A FR 662707A FR 662707D A FR662707D A FR 662707DA FR 662707 A FR662707 A FR 662707A
Authority
FR
France
Prior art keywords
elevators
safety devices
safety
devices
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OTIS PIFRE ATELIERS SA
Original Assignee
OTIS PIFRE ATELIERS SA
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 by OTIS PIFRE ATELIERS SA filed Critical OTIS PIFRE ATELIERS SA
Application granted granted Critical
Publication of FR662707A publication Critical patent/FR662707A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR662707D 1927-11-04 1928-10-19 Improvements to safety devices for elevators Expired FR662707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US662707XA 1927-11-04 1927-11-04

Publications (1)

Publication Number Publication Date
FR662707A true FR662707A (en) 1929-08-10

Family

ID=22068417

Family Applications (1)

Application Number Title Priority Date Filing Date
FR662707D Expired FR662707A (en) 1927-11-04 1928-10-19 Improvements to safety devices for elevators

Country Status (1)

Country Link
FR (1) FR662707A (en)

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