US812091A

US812091A - Combined scaffold and step-ladder.

Info

Publication number: US812091A
Application number: US25894005A
Authority: US
Inventors: John Henry Rose
Original assignee: Individual
Current assignee: Individual
Priority date: 1905-05-05
Filing date: 1905-05-05
Publication date: 1906-02-06
Anticipated expiration: 1923-02-06

Description

No. 812,091. PATENTBD FEB. 6, 1906. J. H. ROSE.

COMBINED SCAPFOLD AND STEP LADDER.

APPLICATION FILED MAYE, 1905- 3 SHEETS-SHEET l.

wi/bmooeo No. 812,091. PATENTED FEB. 6, 1906.

J. H. ROSE. COMBINED SOAFFOLD AND STEP LADDER.

APPLICATION FILED MAYfi. 1905.

a SHEETS-SHEET 2.

avwe wtoz 0,4 f/JZoma No. 812,091. PATENTED FEB. 6, 1906.

V J. H. ROSE.

COMBINED SGAFFOLD AND STEP LADDER.

APPLICATION FILED MAY5,1905.

3 SHEBTSSH13ET 3.

wuemto'c ami/mama. V HWOJI? a I X/W UNITED STATES PATENT OFFICE.

Specification of Letters Patent.

Patented Feb. 6, 1906.

Application filed May 5,1905. Serial No- 258,940.

To all whom it may concern:

Be it known that I, JOHN HENRY RosE, a citizen of the United States, residing at Shreveport, in the parish of Caddo and State of Louisiana, have invented certain new and useful Improvements in a Combined Scaffold and Step-Ladder; and I do 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 appertains to make and use the same.

My invention relates to improvements in combination folding scaffolds and step-lad ders and it consists in certain novel features of construction, combination, and arrangement of parts hereinafter described and claimed.

The object of the invention is to improve and simplify the construction of devices of this character, and thereby render the same more durable and convenient in use and less expensive to manufacture.

The above and other objects, which will appear as the nature of my invention is better understood, are accomplished by means of the construction illustrated in the accompanying drawings, in which- Figure l is a perspective view of my improved combination scaffold and ladder, showing the same in its opened position. Fig. 2 is a bottom plan view of the same. Fig. 3 is a vertical transverse sectional view taken on the line 3 3 in Fig.2. perspective view of the device in its folded position. Fig. 5 is a vertical sectional view taken on the line 5 5 in Fig. 4, and Fig. 6 is a horizontal sectional view taken on the line 6 6 in Fig. 5.

Referring to the drawings by numeral, 1

denotes my improved combination folding scaffold and ladder, which comprises a main platform-section 2 and two folding side platform-sections 3. The main section 2 has hinged adjacent to its front and rear ends upon its under side, as shown at 4, supporting-legs 5 and 6, the latter of which is in the form of a broad board and the former of which is in the form of a step-ladder. The front end of the main platform-section 2 directly in front of the hingedupper end of the ladder or leg 5 is recessed, as shown at 7, to facilitate a person climbing the ladder to get upon the top of the platform. At the rear end of said main platform-section 2 is a recess 8, in which is j ournaled a wheel or roller 9, the purpose of which will be hereinafter Fig. 4 is a l /l l I explained. The supporting-legs 5 and 6 are adapted to be braced apart and held in their open position when the device is in use by connecting-rods 10, which are in the form of hooks pivoted at 11 to the legs 6 and engaged with eyes 12 upon the legs 5. When the device is in its folded position, these hook-rods 10 are adapted to be engaged with staples or eyes 13 upon the legs 6. The legs 5 and 6 are further braced in this position, as clearly shown in Figs. 1 and 2 of the drawings, by hook-rods 14, which 7 have their lower ends pivotally connected to the legs 5 and 6 and their upper ends adapted to engage an eye or staple 15, provided centrally upon the bottom of the main platform-section 2. When the device is in its folded position, the hooks on these rods 14 are engaged With eyes or staples 16. provided upon the inner sides of the legs 5 and 6. When the device is in its folded position, as shown in Figs. 4, 5, and 6 of the drawings, the legs are adapted to be secured together, with the folding side sections 3 between them, by hook-rods 17, which are pivoted at 18 to the leg or ladder 5 and adapted to engage staples or eyes 19 upon the legs 6. When the device is in its open position, these hook-rods 17 have their hooked ends engaged with staples or eyes 20 upon theleg orladder5.

The folding or collapsible side platform-sections 3 are identical in construction, and the description of one will sulficefor both. Each of them consists of a central board or section 22, which has its inner end detachably hinged, as shown at 23, to one side of the main platform-section 2. This hinged connection is clearly shown in Fig. 3 of the drawings, the pintle of the hinge being removable by having its end screw-threaded, as shown at 24, so that one or both of the side platform-sections may be removed to permit only one of said sections to be used in connection with the main ladder-section or to ermit the ladder to be used by itself, as will be readily understood. To the sides of the central board 22 of the side platform-sections are hingedly connected, as shown at 25, side leaves or boards 26, which when in their open position (shown in Figs. 1 and 2 of the drawings)form a portion of the platform of the scaffold. When these leaves 26 are in this position, they are adapted to be supported by a long centrally-disposed turn-button 27, which is pivoted, as at 28, upon the under side of the center board 22 and adapted to be swung transversely to engage and support said ICC '42, which is pivotally leaves, as shown in Fig. 2 of the drawings. When the device is to be .folded, this turnbutton is swung longitudinally beneath the center board 22, so that the leaves 26 may be swung downwardly. The leaves are'further supported in their open position by turn-buttons 30, which are pivoted upon the under side of each end of the main platform-section 2, so as to engage the inner ends of the leaves, as shown in Fig. 2.

The outer ends of the side platform-sections 3 are supported in their open position by folding leg-sections 31', each of which consists of a block 32, hinged at one of its ends, ,as at 33, to the under side of one end of the center board 22 and adapted to be held in its open position at right angles to said board 22 by a hook-rod 34, which is pivotally connected at 35 and adapted to engage an eye or sta-,

ple 36 upon said block 32. When the block 32 is folded inwardly upon the under side of the board 22, the hook-rod 34 is engaged with a staple or eye 37, provided upon the under side of the inner end of the board 22. Upon the outer face of the block 31 are pivoted, as at 38, a pair of supporting-legs 39. These legs have their upper ends beveled, as shown at 40, and adapted to engage the opposite faces of a wedge-shaped'block 41, provided at the top of the block 32 for the purpose of limiting the outward or opening movement of said legs. The legs 39 are further held in their open position by a hook-rod connected to one of to engage a staple or This hook-rod 42 eye 44 upon one of the legs and adapted eye 43 upon the other. may be engaged-with an said legs when the latter are in their folded poupon either the front or back or upon both front and back of the device may 45, to permit the device: to be set squarely upon uneven surfaces or sition. If desired, the legs 39 able, as shown at against walls which have a broad weatherboarding at their bottoms. This adjusting device consists in forming the lower end of the leg 39 with a recessed portion in which is slidably mounted an extensible section 46. This section may be held at any desired adjustment by means of set-screws 47 or by any other suitable fastening means.-

When the device is used by paperhangers, who require a low table upon which to work, I may provide upon the legs 39 at one side of the device a folding frame 49, upon which a board or table-section 50 may be removably supported. As clearly shown in the drawings, these folding frame-sections 49 each consist of a horizontal member 51, pivoted at one of its ends, as at 52, upon one of the legs 39, and its other end is pivoted, as at 53, to the upper end of a vertical member 54, which forms a supporting-leg. This leg or member 54 is adapted to be braced by a hook-rod 56,

similar to those previously described. The

be made adjustboard or table-top 50 maybe supported upon the members 51 of the frames 49, so that it can be easilyremoved when the

members

51 and 54 are folded upon each other and then upon the leg 39 in folding the device to its closed position. (Shown in Fig. 4 of the drawings.)

The construction, operation, and advantages of the invention will be readily understood from the foregoing description, taken in connection with the accompanying drawings. It will be seen that the device may be quickly set up, so that the central or main section may be used simply as a ladder or used in connection with one or both of the side sections as a scaffold. When not in use, the devicemaybe compactlyfolded, as shown in Fig. 4, so that it may be readily shipped or stored away in a comparatively small space. When in the folded position shown in Fig. 4 of the drawings it may be readily transported from place to place by rolling it upon the wheel or roller 9 similar to the manner in which one would push a wheelbarrow. In folding or collapsing the device the legs 39 are first folded together and then .inwardly upon the under side of the center board 22. The leaves 26 are then folded downwardly upon each side of the legs 39, and the side platform-sections 3 are then folded inwardly between the legs 5 and 6. It will be noticed that the center boards 22 upon each side are unequal in width, so two side sections may cross or overlap each other when the device is folded. When in the latter position, the parts are held together by the hook-rods, as previously explained.

. While I have shown and described the preferred embodiment of my invention, it will be understood that I do not wish to be limited ,to the precise construction herein set forth,

since various changes in the form, proportion, and the minor details of construction that the leaves 26 of the maybe resorted to without departing from the principle orsacrificing any of the advantages of this invention.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. A device of the character described, comprising a main platform-section, supportinglegs and rear ends of the same, side platform-sections hingedly connected to the sides of said main platform-section and adapted to fold between said supporting-legs, and foldable legs upon saidv side platform-sections.

2. A device of the character described comprising a main platform-section having supporting-legs, one being in the form of a step-ladder, means for bracing said legs apart, a collapsible side platform-section adapted to be folded between said supporting-legs, and means for retaining said side platform-section between said legs.

hingedly connected at the front 3. A device of the character described comprising a main platform-section, hinged supporting-legs upon the same, one being in the form of a step-ladder, means for bracing said legs apart, a side platform-section hinged to said main section, foldable supporting-legs for said side section, folding leaves upon said side section, means for supporting said leaves in their open position, and means for retaining said side platformsection in its folded position between said supporting-legs.

4. A device of the character described comprising a main platform-section, supporting-legs hinged thereto, one being in the form of a step-ladder, hook-rods for bracing said legs apart, a side platform-section consisting of a center board hinged at one of its ends to said main section, hinged leaves upon said center board, turn-buttons for supporting said leaves in their open position, a block hinged upon the outer end of said center board, a brace-rod for holding said block in its open position, folding legs pivotally mounted upon said block, and a brace-rod for connecting the latter-mentioned legs.

5. A device of the character described comprising a main platform-section having a .recessed portion at oneof its ends and a wheel or roller j ournaled at its other end, supporting-legs hinged upon the under side of said main section, the leg adjacent to said recess being in the form of a step-ladder, a hook-rod for bracing said legs apart, side platform -sections each consisting of a center board hinged at its inner end upon one side of said main section, leaves hinged upon the sides of said center boards, turn-buttons for supporting said leaves in their open position, a hinged block at the other end of each of the center boards, detachable brace rods engaged with said block, legs pivoted upon said blocks, a hook-rod for bracing said legs apart,

means for adjusting one or more of said legs, and means for retaining said side platformsections in their folded positions between the first-mentioned supportingdegs.

6-. The combination with the supportinglegs of a scaffold, of folding frames pivotally connected thereto and each consisting of a horizontal member, a pivoted vertical member or leg and a detachable brace-rod, and a table-top removably mounted upon the horizontal members of said frame.

In testimony whereof I have hereunto set my hand in presence of two subscribing Witnesses.

JOHN HENRY ROSE.

Witnesses:

W. W. CAMPBELL, J. A. MoLLEY.