FR641788A - Lock enhancements - Google Patents

Lock enhancements

Info

Publication number
FR641788A
FR641788A FR641788DA FR641788A FR 641788 A FR641788 A FR 641788A FR 641788D A FR641788D A FR 641788DA FR 641788 A FR641788 A FR 641788A
Authority
FR
France
Prior art keywords
enhancements
lock
lock enhancements
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
Leon-Georges Simon
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 FR641788A publication Critical patent/FR641788A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
FR641788D 1927-10-04 1927-10-04 Lock enhancements Expired FR641788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR641788T 1927-10-04

Publications (1)

Publication Number Publication Date
FR641788A true FR641788A (en) 1928-08-10

Family

ID=8998377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR641788D Expired FR641788A (en) 1927-10-04 1927-10-04 Lock enhancements

Country Status (1)

Country Link
FR (1) FR641788A (en)

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