US950469A

US950469A - Folding ladder.

Info

Publication number: US950469A
Application number: US44723208A
Authority: US
Inventors: Moritz Barth
Original assignee: Individual
Current assignee: Individual
Priority date: 1908-08-06
Filing date: 1908-08-06
Publication date: 1910-03-01
Anticipated expiration: 1927-03-01

Description

M. BARTH.

FOLDING LADDER.

APPLICATION FILED 111111. e, 1908.

950,469. Patented Mar. 1,1910.

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MORITZ EARTH, OF GRUNENVALD, NEAR BERLIN, GERMANY.

FOLDING LADDER.

950,4:69. Specification of Letters Patent.

Patented Mar. 1, 1910.

Application filed August 6, 1908. Serial No. 447.232.

To all whom it may concern:

Be itknown that I, Mon'i'rz BAR'LII, a sub connected to the frame of the ladder by pins f. The arms a carry a table h. A rod a 15 ject of the King of irussia, German Empivotally attached at one of its ends to the pcror, and residing at No. 9 \Vinklerstrassc, pl tf rm. The other end of the red at i (lrunewald, near Berlin, Germany, manu l hinged to a step I), supporting the free end facturer, have invented certain new and usei of the platform, when the ladder is set up. ll ll'l'ipr v ments in Folding Ladders, of l During the folding up of the ladder the rod which the following is a specification. i (I ilorces the platform upward and at the same This invention relates to folding ladders l time the weight of the railing and parts conformed with a platform and with a safety t nectcd therewith in falling balances the railing or rest above and in front of the l platform and railing come to lie one upon platform. It is already known to make foldi the other in the folded position. ing ladders with such platforms and railings Having now particularly described and or rests. The latter being so connected to ascertained the nature of my said invention the platform that when the ladder is folded and in What manner the same is to be pernp the rest either turns up or is folded downformed, I declare that what I claim is ward together with the platform. In the 1. A folding ladder comprising a platfirst case the length of the ladder when form pivotally supported in and pivoted by folded is increased which is not desirable, means of a rod to the legs of the ladder, a and moreover the weight of the platform railing pivotally supported in the ladder and and of the rest has to be lifted in folding up connected by means of arms with the platthe ladder; in the latter case on the other form, said platform and said arms when the hand, the weight of the platform and rest. ladder is folded moving upward and said tends to hold the ladder in the closed posirailing partly moving downward, to allow tion so that in both cases there was difficulty the said platform and railing to be folded either in the setting up or folding together one upon the other and to come to lie beof the ladder. tween the legs of the ladder, substantially as In the device according to the present indescribed. vention these diiliculties are avoided in that 2. A folding ladder comprising a platthe railing and the platform are so connected form pivotally supported in and pivoted by together that when the ladder is folded up means of a rod to the legs of the ladder, a the railing moves downward, while the platrailing carrying a table and pivotally atform moves upward, and these two parts tached to the ladder and connected by means fold together and come to lie completely of arms with the platform, said platform within the framework of the ladder. I and said arms when the ladder is folded The invention is illustrated by way of moving upward and said table moving downcxample in the accompanying drawings in ward, to allow said platform, table and railwhich ing to be folded one upon the other and to Figure 1 shows a view of the ladder when come to lie between the legs of the ladder, opened out and Fig. 2 shows a side view of substantially as described. the folded ladder. Fig. 3 shows a front In testimony that I claim the foregoing as view of the folded ladder. my own I have hereto allixed my signature The platform 0 is pivotally supported in in the presence of two witnesses. the leg w of the ladder. It is provided with MORITZ BARTl-I. rods (Z which are pivotally attached thereto. lVitncsses: The upper ends of these rods are hinged to IVILLIAM .MAYNnn, the arms of the railing 6, these latter being HENRY Hasrnn.