DE251170C - - Google Patents

Info

Publication number
DE251170C
DE251170C DENDAT251170D DE251170DA DE251170C DE 251170 C DE251170 C DE 251170C DE NDAT251170 D DENDAT251170 D DE NDAT251170D DE 251170D A DE251170D A DE 251170DA DE 251170 C DE251170 C DE 251170C
Authority
DE
Germany
Prior art keywords
door
safety chain
bell
slot
opened
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.)
Active
Application number
DENDAT251170D
Other languages
German (de)
English (en)
Publication of DE251170C publication Critical patent/DE251170C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/36—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing comprising a flexible member, e.g. chains
    • E05C17/365—Security chains

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Burglar Alarm Systems (AREA)
DENDAT251170D Active DE251170C (cs)

Publications (1)

Publication Number Publication Date
DE251170C true DE251170C (cs)

Family

ID=509628

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT251170D Active DE251170C (cs)

Country Status (1)

Country Link
DE (1) DE251170C (cs)

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