US792436A - Ladder. - Google Patents

Ladder. Download PDF

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Publication number
US792436A
US792436A US24673005A US1905246730A US792436A US 792436 A US792436 A US 792436A US 24673005 A US24673005 A US 24673005A US 1905246730 A US1905246730 A US 1905246730A US 792436 A US792436 A US 792436A
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United States
Prior art keywords
flanges
rail
engaging
plate
ladder
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Expired - Lifetime
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US24673005A
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Ernest Alonzo Meacham
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Individual
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Priority to US24673005A priority Critical patent/US792436A/en
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Publication of US792436A publication Critical patent/US792436A/en
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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
    • E06C7/083—Bracket type connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B9/00—Connections of rods or tubular parts to flat surfaces at an angle
    • F16B9/05—Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member
    • F16B9/058—Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member the intermediate member being secured to the rod by transverse fasteners
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/46—Rod end to transverse side of member

Definitions

  • This invention relates particularly to improvements in means for securing' steps to the side rails of ladders, cellar-stairs, or the like, an object being to provide a simple means for securing the steps without mortising the steps into the rails, so as to weaken the rails, a fur- 'ther object being to so construct the fastenings that they will not only add to the strength of the steps and rails, but will stiffen the whole structure.
  • Figure I is a perspective view of a ladder or stairway embodying' my invention.
  • Eig. 2 is a perspective view of the fastener
  • Fig. 3 is a section on the line .fe a" of Fig. 2.
  • l designates side rails, and Q a step.
  • the fastening' device consists of a single sheet of metal, preferably galvanized iron.
  • the body portion 3 is designed to engage against the inner side of a rail, and at the sides of this body portion are outwardlyturned flanges LI for engaging the front and rear edges of the rail, and 'from these flanges 4l flanges 5 extend inward to engage against the outer surface of the rail.
  • From the lower end of the inner or body plate 3 a portion 5 extends at an upward and inward angle and terminates in a horizontally-disposed portion G for engaging against the under side of the Y step.
  • flanges 't' 8 are turned inward from the plate and are designed to engage, respectively, with the upper and under sides of a step. Flanges 9 at the ends are also turned outward for -engaging with the front and rear edges of the step, thus preventing any lateral play.
  • These several flanges 7, 8, and 9 are formed by slitting the plate 3 crosswise and at the ends of the slit forming divergent'slits, and then the parts are turned outward, as clearly indicated in Fig. 2.
  • a device for securing a step to a side rail consisting of a metal plate having an inner portion for engaging against the inner side of the rail, a part extended upward and inward from the lower end of said inner portion, flanges turned inward from said inner portion for engaging.
  • a device for securing a step to a side rail consisting of a metal plate having an innenportion for engaging against the inner side of the rail, side flanges on said plate for engaging against the front and rear edges of the side rail, flanges on said side flanges for engaging against the outer side of the rail, a part extended upward and inward from the lower end of the plate and terminating in a horizontally-disposed portion, and flanges extended from the plate for engaging against the upper and lower sides of a step.
  • a device for attaching a step to a side rail comprising a metal plate havinga bracket portion extended upward from its lower edge, transverse flanges above said bracket for engaging against the upper and lower sides of a step, flanges at the ends of said transverse fianges for engaging against the front and rear edges of a step, and 'flanges on the plate for engaging against the front and rear edges of the side rail and against the outer side of said side rail.
  • a fastening' device Comprising a metal plate having' a portion for engaging against the inner side of the side rail, inwardly-extended flanges for engaging ⁇ against the upper and lower sides of the step, a bracket portion extended upward at an angle from the lower edge of the plate and terminating'

Description

No. 792,436. PATENTED JUNE 1s, 1905. E` A. MBAGHAM.
LADDER.
APPLICATION `FILED FEB. 21, 1905.
A TTORNEYS No. 'I 92.436.
IINTTED STATES Patented June13,1905.
PATENT OEETCE.
LADDER.
SPECIFICATION forming part of Letters Patent No. 792,436, dated June 13, 1905.
Application filed February 2l, 1905. Serial No. 246,730.
T0 all whom, zit may coaccrn.-
Be it known that I, ERNEST ALONZO MEACH- AM, a citizen of the United States, anda resident of Riverside, in the county of Riverside and State of California., have invented a new and'Iinproved Ladder, of which the following is a full, clear, and exact description.
This invention relates particularly to improvements in means for securing' steps to the side rails of ladders, cellar-stairs, or the like, an object being to provide a simple means for securing the steps without mortising the steps into the rails, so as to weaken the rails, a fur- 'ther object being to so construct the fastenings that they will not only add to the strength of the steps and rails, but will stiften the whole structure.
I will describe a ladder embodying my invention and then point out the novel features in the appended claims.
Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the figures.
Figure I is a perspective view of a ladder or stairway embodying' my invention. Eig. 2 is a perspective view of the fastener, and Fig. 3 is a section on the line .fe a" of Fig. 2.
eferring to the drawings, l designates side rails, and Q a step.
The fastening' device consists of a single sheet of metal, preferably galvanized iron. The body portion 3 is designed to engage against the inner side of a rail, and at the sides of this body portion are outwardlyturned flanges LI for engaging the front and rear edges of the rail, and 'from these flanges 4l flanges 5 extend inward to engage against the outer surface of the rail. From the lower end of the inner or body plate 3 a portion 5 extends at an upward and inward angle and terminates in a horizontally-disposed portion G for engaging against the under side of the Y step. These. portions 5 and 6 practically form a bracket. Above the bracket, flanges 't' 8 are turned inward from the plate and are designed to engage, respectively, with the upper and under sides of a step. Flanges 9 at the ends are also turned outward for -engaging with the front and rear edges of the step, thus preventing any lateral play. These several flanges 7, 8, and 9 are formed by slitting the plate 3 crosswise and at the ends of the slit forming divergent'slits, and then the parts are turned outward, as clearly indicated in Fig. 2.
In using the device after placing the bodyplate on the side rail the end of the step is to be inserted between the flanges 7 8 9, and bolts or rivets lO are passed through the step and through the portion 6 of the bracket. A fastening-bolt 1l also passes through the portion 5 of the bracket, through the plate 3, the side rail, and the lapped members 5.
By employing the fastening embodied in my invention the steps are greatly strengthened at the ends and are prevented from split.- ting, and, further, by using the device much lighter wood may be used than in the ordinary construction of ladders.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- I. As an article of manufacture, a device for securing a step to a side rail, consisting of a metal plate having an inner portion for engaging against the inner side of the rail, a part extended upward and inward from the lower end of said inner portion, flanges turned inward from said inner portion for engaging.
the upper and lower sides of a step, and outwardlyturned flanges on opposite vertical edges of said inner portion for engaging with the fronty and rear edges of the side rail.
2. As an article of manufacture, a device for securing a step to a side rail, consisting of a metal plate having an innenportion for engaging against the inner side of the rail, side flanges on said plate for engaging against the front and rear edges of the side rail, flanges on said side flanges for engaging against the outer side of the rail, a part extended upward and inward from the lower end of the plate and terminating in a horizontally-disposed portion, and flanges extended from the plate for engaging against the upper and lower sides of a step.
3. A device for attaching a step to a side rail, comprisinga metal plate havinga bracket portion extended upward from its lower edge, transverse flanges above said bracket for engaging against the upper and lower sides of a step, flanges at the ends of said transverse fianges for engaging against the front and rear edges of a step, and 'flanges on the plate for engaging against the front and rear edges of the side rail and against the outer side of said side rail.
4. The combination with a side rail and step of a ladder, of a fastening' device Comprising a metal plate having' a portion for engaging against the inner side of the side rail, inwardly-extended flanges for engaging` against the upper and lower sides of the step, a bracket portion extended upward at an angle from the lower edge of the plate and terminating'
US24673005A 1905-02-21 1905-02-21 Ladder. Expired - Lifetime US792436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US24673005A US792436A (en) 1905-02-21 1905-02-21 Ladder.

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Application Number Priority Date Filing Date Title
US24673005A US792436A (en) 1905-02-21 1905-02-21 Ladder.

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US792436A true US792436A (en) 1905-06-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591213A (en) * 1966-07-08 1971-07-06 Kenneth Broadbent Connecting member
US4949811A (en) * 1988-09-29 1990-08-21 Bailey Aluminum Products Pty., Ltd. Ladder brace
US20070006462A1 (en) * 2005-07-06 2007-01-11 Norgren Automotive, Inc. Apparatus for accurately positioning and supporting modular tooling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591213A (en) * 1966-07-08 1971-07-06 Kenneth Broadbent Connecting member
US4949811A (en) * 1988-09-29 1990-08-21 Bailey Aluminum Products Pty., Ltd. Ladder brace
US20070006462A1 (en) * 2005-07-06 2007-01-11 Norgren Automotive, Inc. Apparatus for accurately positioning and supporting modular tooling
US8108978B2 (en) * 2005-07-06 2012-02-07 Norgren Automation Solutions, Inc. Apparatus for accurately positioning and supporting modular tooling

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