US1091635A - Ladder. - Google Patents

Ladder. Download PDF

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Publication number
US1091635A
US1091635A US76344413A US1913763444A US1091635A US 1091635 A US1091635 A US 1091635A US 76344413 A US76344413 A US 76344413A US 1913763444 A US1913763444 A US 1913763444A US 1091635 A US1091635 A US 1091635A
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Prior art keywords
bars
sections
ladder
steps
folded
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Expired - Lifetime
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US76344413A
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Fred A Creed
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Individual
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06CLADDERS
    • E06C1/00Ladders in general
    • E06C1/52Ladders in general with non-rigid longitudinal members

Definitions

  • FRED'A CREED, OF SAN FRANCISCO, CALIFORNIA.
  • This invention is directed to improvements in ladders particularly adapted for use in connection with upper berths of cars or vessels.
  • the invention has for its object to so construct a device o-f this character that the same may be easily and quickly suspended from the upper berth so that a passenger may conveniently enter the same.
  • a still further object of the invention is to provide a ladder of this type which may be compactly folded when not in use, so that the same will occupy a minimum amount of space.
  • FIG. 1 is a side elevation of the device in its unfolded position.
  • Fig. 2 is a front view of the same.
  • Fig. 3 is a side elevation of the device in its folded position ⁇
  • Fig. f1 is a longitudinal sectional view therethrough.
  • Fig. 5 is a sectional view on line 5-5 of Fig. 2.
  • Fig. 6 is a similar view on line 6 6 of Fig. 2.
  • the ladder comprises upper and lower sections 1 and 2, respectively, the upper section comprises side bars 3, the upper ends of which are connected by a transverse bar i1, the ends of which are provided with right angle extensions which coact with the similar extension 6 formed upon the upper ends of t-he side b-ars 3 to form catches 7, the purpose of which will appear later.
  • a transverse bar i1 Secured ⁇ to the transverse bar d are hooks S, which are adapted to detachably engage the side rail of the usual upper berth.
  • the lower section consists of side bars 9 which have their upper ends hingedly connected to the bars 3 of the upper section, as indicated at 10, the lower ends of the bars 9 being connected by a strip 11, which holds the lower ends thereof in rigid spaced relation.
  • Hingedly connected to the side bars 9 is a step 1Q, the movement of which is limited in one direction by brackets 13 which are secured to the side bars 9 so as to hold the step in a. horizontal position.
  • a step 14 is hingedly connected near the lower ends of the bars 3 of the upper section, said step being of less width than the step 12.
  • Hingedly connected to the side bars 3 and above the step 14 is a step 15, the same being of less width than the steps 14 and 12.
  • a ladder of the class described comprising upper and lower sections, said sections being hingedly connected, steps hinged to the sections, upper and lower bars connected to the steps and having their meeting ends pivotally connected, whereby when one step is folded the others will be simultaneously folded.
  • a ladder of the class described comprising hingedly connected sections, steps hingedly connected to the sections, bars pivotally connected to the ends of the Steps having their meeting ⁇ ends pivotally connected, means carried by one of the sect-ions for engaging the upper ends of the bars when the sections are folded.
  • neotion of the sections means Carried by the CHARLES R. HOLTOW7 uppei1 section to enga-ge certain ends of the i ALBERT POUND.

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  • Ladders (AREA)

Description

FRED'A. CREED, OF SAN FRANCISCO, CALIFORNIA.
Specification of Letters Patent.
Application filed April 24, 1913.
Patented Mar. 31, 1914.
Serial No. 763,444.
To all clio/a it may conce/rr. f
Be it known that I, Fimo A. CREED, a citizen of the United States, residing at San Francisco. in the county of 'San Francisco, State` of Californiaj have invented certain new and useful Improvements Vin Ladders; and I do hereby declare the following to be a. full, clear, and exact description of the invention, such as will enable others skilled in the art to which it ap-pertains to make and use the same.
This invention is directed to improvements in ladders particularly adapted for use in connection with upper berths of cars or vessels.
The invention has for its object to so construct a device o-f this character that the same may be easily and quickly suspended from the upper berth so that a passenger may conveniently enter the same.
A still further object of the invention is to provide a ladder of this type which may be compactly folded when not in use, so that the same will occupy a minimum amount of space.
Vith these and other objects in view, this invention resides in the novel features of construction, formation, combination and arrangement of parts to be hereinafter more fully described, claimed and illustrated in the accompanying drawing, in which z Figure 1 is a side elevation of the device in its unfolded position. Fig. 2 is a front view of the same. Fig. 3 is a side elevation of the device in its folded position` Fig. f1 is a longitudinal sectional view therethrough. Fig. 5 is a sectional view on line 5-5 of Fig. 2. Fig. 6 is a similar view on line 6 6 of Fig. 2.
The ladder comprises upper and lower sections 1 and 2, respectively, the upper section comprises side bars 3, the upper ends of which are connected by a transverse bar i1, the ends of which are provided with right angle extensions which coact with the similar extension 6 formed upon the upper ends of t-he side b-ars 3 to form catches 7, the purpose of which will appear later. Secured` to the transverse bar d are hooks S, which are adapted to detachably engage the side rail of the usual upper berth.
The lower section consists of side bars 9 which have their upper ends hingedly connected to the bars 3 of the upper section, as indicated at 10, the lower ends of the bars 9 being connected by a strip 11, which holds the lower ends thereof in rigid spaced relation. Hingedly connected to the side bars 9 is a step 1Q, the movement of which is limited in one direction by brackets 13 which are secured to the side bars 9 so as to hold the step in a. horizontal position. A step 14 is hingedly connected near the lower ends of the bars 3 of the upper section, said step being of less width than the step 12. Hingedly connected to the side bars 3 and above the step 14 is a step 15, the same being of less width than the steps 14 and 12. Pivotally connected to the ends of the steps 11 and 15 are bars 1G the lower ends of which are curved, as indicated at 17, and extend below the step 14, while the upper ends of said bars extend above the step 15. Pivoted to the ends of the step 12 are the lower ends of the bars 18, the upper curved ends 19 of which are pivotally connected to the curved lower ends of the bars 1G.
To fold the ladder it is only necessary to swing the step 15 toward the bars 3, whereupon strain will be applied to the bars 16 and 1S thereby causing the steps 12 and lat to fold against the bars 3 and 9, respectively, and simultaneous with the folding of the step 15, whereupon the sections 1 and 2 are folded back to back, and at which time the upper ends of the bars 16 engage the catches 7.
lVhat is claimed is 1. A ladder of the class described, comprising upper and lower sections, said sections being hingedly connected, steps hinged to the sections, upper and lower bars connected to the steps and having their meeting ends pivotally connected, whereby when one step is folded the others will be simultaneously folded.
2. A ladder of the class described comprising hingedly connected sections, steps hingedly connected to the sections, bars pivotally connected to the ends of the Steps having their meeting` ends pivotally connected, means carried by one of the sect-ions for engaging the upper ends of the bars when the sections are folded.
3. A ladder of the class described cornprising upper and lower sections, said sections being hingedly connected, steps hingedly connected to the upper section, a step similarly connected to the lower section, bars pivotally connected to the ends of the steps carried by the upper section, bars having their lower ends pivotally connected i'st named bars when the sections are folded l0 back to back.
In testimony Wheneof I affix my signature in the presence of two Witnesses.
FRED A. CREED.
to the step carried by the lower section, said bars having their upper ends pivote-ily connected to the first named bars, whereby when the uppermost step of the upper sect-ion is folded the remaining Steps Will be simultaneously folded sind the pivotal connection of the bars are alined with the hinged coni W'itnesses:
neotion of the sections, means Carried by the CHARLES R. HOLTOW7 uppei1 section to enga-ge certain ends of the i ALBERT POUND.
Copies of this patent may 'be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. C.
US76344413A 1913-04-24 1913-04-24 Ladder. Expired - Lifetime US1091635A (en)

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US76344413A US1091635A (en) 1913-04-24 1913-04-24 Ladder.

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US76344413A US1091635A (en) 1913-04-24 1913-04-24 Ladder.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509206A (en) * 1946-03-20 1950-05-30 Vincent J Buckner Stepladder
US2522336A (en) * 1946-10-05 1950-09-12 Anderson Nils Erland Stepladder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509206A (en) * 1946-03-20 1950-05-30 Vincent J Buckner Stepladder
US2522336A (en) * 1946-10-05 1950-09-12 Anderson Nils Erland Stepladder

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