CH494339A - Verbindung zwischen dem Sprossenende und einem Längsträger einer Leiter und Verfahren zu deren Herstellung - Google Patents

Verbindung zwischen dem Sprossenende und einem Längsträger einer Leiter und Verfahren zu deren Herstellung

Info

Publication number
CH494339A
CH494339A CH1477668A CH1477668A CH494339A CH 494339 A CH494339 A CH 494339A CH 1477668 A CH1477668 A CH 1477668A CH 1477668 A CH1477668 A CH 1477668A CH 494339 A CH494339 A CH 494339A
Authority
CH
Switzerland
Prior art keywords
ladder
manufacture
connection
side member
rung end
Prior art date
Application number
CH1477668A
Other languages
English (en)
Inventor
R Lindesmith Harold
P Sulecki Richard
R Tuck Charles
L Werner Richard
Original Assignee
Werner Co Inc R D
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 Werner Co Inc R D filed Critical Werner Co Inc R D
Publication of CH494339A publication Critical patent/CH494339A/de

Links

Classifications

    • 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
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/085—Connections between rungs or treads and longitudinal members achieved by deforming the rung or the stile
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • B21D39/063—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in for assembling ladders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49925—Inward deformation of aperture or hollow body wall
    • Y10T29/49927—Hollow body is axially joined cup or tube
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49925—Inward deformation of aperture or hollow body wall
    • Y10T29/49934—Inward deformation of aperture or hollow body wall by axially applying force
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
    • Y10T29/4994—Radially expanding internal tube
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49945—Assembling or joining by driven force fit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Forging (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1477668A 1967-10-19 1968-10-03 Verbindung zwischen dem Sprossenende und einem Längsträger einer Leiter und Verfahren zu deren Herstellung CH494339A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67647767A 1967-10-19 1967-10-19

Publications (1)

Publication Number Publication Date
CH494339A true CH494339A (de) 1970-07-31

Family

ID=24714677

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1477668A CH494339A (de) 1967-10-19 1968-10-03 Verbindung zwischen dem Sprossenende und einem Längsträger einer Leiter und Verfahren zu deren Herstellung

Country Status (16)

Country Link
US (1) US3484931A (de)
JP (1) JPS4811427B1 (de)
AT (1) AT311182B (de)
BE (1) BE722479A (de)
BR (1) BR6803290D0 (de)
CH (1) CH494339A (de)
DE (1) DE6802926U (de)
DK (1) DK144164C (de)
ES (2) ES160532Y (de)
FR (1) FR1587513A (de)
GB (1) GB1174689A (de)
IE (1) IE32327B1 (de)
LU (1) LU56848A1 (de)
NL (1) NL162710C (de)
NO (1) NO126336B (de)
SE (1) SE355626B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3724053A (en) * 1971-09-28 1973-04-03 Lockheed Aircraft Corp Apparatus for performing axially-and-radially located operations on tubular construction
NO138541C (no) * 1976-05-18 1978-09-20 Raufoss Ammunisjonsfabrikker Anordning ved trinnfeste for stige.
CH628094A5 (de) * 1977-01-10 1982-02-15 Inventa Ag Faeden aus copolyamid, abgeleitet von mindestens 3 polyamid bildenden monomerkomponenten.
US4656721A (en) * 1984-11-19 1987-04-14 R. D. Werner Co., Inc. Apparatus and methods for making rail-to-rung joints for ladders and joints for other structural elements
US4600179A (en) * 1985-04-16 1986-07-15 Allied Tube & Conduit Corporation Module for forming a barrier and method of assembly
US5860780A (en) * 1996-12-04 1999-01-19 Norton Performance Plastics Corporation Self-lubricated thrust rivet
ATE358783T1 (de) * 2003-05-06 2007-04-15 Valeo Sys Controle Moteur Sas Verfahren zur montage einer palette an einer vollen stösselstange und entsprechende montage
KR20200059322A (ko) 2016-06-16 2020-05-28 생―고뱅 퍼포먼스 플라스틱스 팜푸스 게엠베하 평 베어링 어셈블리
US20210198944A1 (en) 2019-12-27 2021-07-01 Werner Co. Extension Ladder with Groove Box Rails and Method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1190803A (en) * 1914-10-01 1916-07-11 Sidney Rosenfeld Process of uniting bushings to metal bodies.
US1796852A (en) * 1927-05-31 1931-03-17 Western Electric Co Method of riveting
US2617178A (en) * 1949-06-23 1952-11-11 James M Leake Method of making engine rocker arms
US2667688A (en) * 1950-08-11 1954-02-02 John R Winter Sr Method of constructing rocker arms
US3039186A (en) * 1957-08-06 1962-06-19 Werner Co Inc R D Method of forming a joint between the rail and rung of a ladder
US3012800A (en) * 1959-06-23 1961-12-12 Gen Electric Trip mechanism
US3392253A (en) * 1965-05-24 1968-07-09 Robertshaw Controls Co Thermosetting switch support with thermoplastic bearing
US3354987A (en) * 1965-09-16 1967-11-28 Werner Co Inc R D Ladders

Also Published As

Publication number Publication date
DE1803917A1 (de) 1969-08-21
NL6815013A (de) 1969-04-22
JPS4811427B1 (de) 1973-04-13
DK144164C (da) 1982-06-14
DK144164B (da) 1981-12-28
NL162710C (nl) 1980-06-16
NL162710B (nl) 1980-01-15
IE32327B1 (en) 1973-06-27
NO126336B (de) 1973-01-22
FR1587513A (de) 1970-03-20
ES374870A1 (es) 1972-02-16
ES160532Y (es) 1971-08-01
US3484931A (en) 1969-12-23
DE1817972A1 (de) 1976-04-29
BR6803290D0 (pt) 1973-03-08
DE1817972B2 (de) 1977-01-20
SE355626B (de) 1973-04-30
LU56848A1 (de) 1969-02-01
AT311182B (de) 1973-11-12
GB1174689A (en) 1969-12-17
DE6802926U (de) 1969-02-27
ES160532U (es) 1970-12-01
BE722479A (de) 1969-04-01
DE1803917B2 (de) 1977-04-28
IE32327L (en) 1969-04-19

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Legal Events

Date Code Title Description
PL Patent ceased