FR416779A - Improvements made to the scales - Google Patents

Improvements made to the scales

Info

Publication number
FR416779A
FR416779A FR416779A FR416779DA FR416779A FR 416779 A FR416779 A FR 416779A FR 416779 A FR416779 A FR 416779A FR 416779D A FR416779D A FR 416779DA FR 416779 A FR416779 A FR 416779A
Authority
FR
France
Prior art keywords
scales
improvements made
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
FR416779A
Other languages
French (fr)
Inventor
Flora Smith
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR416779A publication Critical patent/FR416779A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • E06C1/3835—Foldable ladders in which the longitudinal members are brought together on folding having collapsible steps comprising a hinge in their central part
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
FR416779A 1921-11-14 1910-05-09 Improvements made to the scales Expired FR416779A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3036121A GB194749A (en) 1921-11-14 1921-11-14 Improvements in ladders

Publications (1)

Publication Number Publication Date
FR416779A true FR416779A (en) 1910-10-28

Family

ID=10306436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR416779A Expired FR416779A (en) 1921-11-14 1910-05-09 Improvements made to the scales

Country Status (3)

Country Link
DE (1) DE233861C (en)
FR (1) FR416779A (en)
GB (1) GB194749A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2670120A (en) * 1949-05-16 1954-02-23 Sanguineti Emanuele Collapsible ladder, double ladder, and stepladder
US3446311A (en) * 1967-07-26 1969-05-27 Conrad L Alfie Scaffoladder,industrial model

Also Published As

Publication number Publication date
GB194749A (en) 1923-03-14
DE233861C (en) 1911-04-28

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