US168749A - Improvement in machines for elevating building materials - Google Patents

Description

3 Sheets--Sheet 1.

G. H. KANMAGHER. Machine for Elevating Building Materials. 'No.l68,749.,

Patented Oct. H, 1875.

HQE w INV E NTO-R N. PETER. PNDTO-LITHOGRAPHER, WASHINGTON. D c.

3 Shets--Sheet 2.

.Machine for Elevating Building Materials.

| wi. H. MMA-cuan.

No) 68.749I Patgnted Oct. V11|, 1875.

(NESSES NAPETERS. PMoTo-LITMDGRAPHER. WASHINGTON, D Q.

3 Sheets--Sheet 3. s. H'. KANMACHER.

Machine for Elevating Buildingpltdatrgatls 1875 N0 ]68,749| I' aente c. .I

INVENTOR N.PETFRS, PHOTO-LITHOGRAPNER. WASHINGTON, D C.

Umm-STATES "e'fno'neny H. KANMAGHER, or eoLUMiSUs, onilo.-

IMPROVEMENT-IN MAcHINEs-FQR ELlEv/'irlNGBUVILDING MATERIALS.;

l Specification forming part of Letters Patent No. 158,749, `dated,.October l1, A1875; application nled f,

` i Jnne 24,1875. i L

To all whom it 'may concern: i 4

Beit known that I, `GrilORGdl H. KAN

MAGHER,of Columbus, in the county of Frank-l lin and State of Ohio, have invented anew and Improved Machine for Elevating or LoW-` erin'g Building Materials, of which the followin'g is a specification vHeretofore elevators for raising or lowering course of demolition such elevators endanger life, being supported near that portion of the structure in course of removal. I

My improvement consists,first, in combining, with a base-frame forming the sole support of the elevator, sectional and detachable standards, provided with cross-beams, which support detachable platforms, the upper platform receiving the upper mechanism,to which the elevator-platforms are attached.

My improvement consists, secondly, in a platform-frame provided withA .vertical` bars, which slide'on the outside of the standards,

connected by cross-beams,and carrying rollers adapted to run on the frontand the rear of the standards, in combination with a platform arranged to operate on the outside of the elevater-frame.

My improvement consists, thirdly, in combinin g, with a platform-frame, an improved supplemental frame, removable therefrom, provided with racks and means for rigid attachi ment, for the reception of hods or tools.

Myimprovement consists, fourthly, in pawls provided with 1ugs,.and hung loosely on a crank-shaft mounted in bearings in a vcrossbar of the platform, and having pins for raising the pawls, in combination with the standards provided with suitable racks. This forms a safety device or appliance adapted to retain the elevator in `any position Where it may be stopped when the power is removed, and to support the platform securely in the event of breaking of the rope.

The apparatus is preferably constructed in .double form, so that onesetqof platforms andv 'hed-receivers descends while the other isasr,eend-ing. I

. I n the accompanying drawing, Figure-ll. isV

a top. view of an apparatus illustrating my` invention. l1`ig2 isan elevation thereof. Fig.

3 is a verticalsectionon the line 3 3, Fig. l. The elevator-frame is provided Vvwith fiour` standards, A A A A', of any suitable height,

arrangedin quadrangular or rectangular form, divided ,into detachable and removable sec` tions, .and supported solely from a base,.B.r

Two standards, A A, on one side are connected by cross-beams C, and two standards, A A,

on the opposite side are connectedin like manner, C', leaving a clear `space between the in ner sides of the standards.

place. forms "D D', which have their corners recessed to tit the brace sides b b of the standards,

but project a llittle onA the Yinner sides of the same without interferingwith the guiding` i Wheels X X of the platform. These platforms are supported by the braces C C of the standards, and act as additional stays or braces to the elevator-frame.

F of a Wheel or drum, Gr, over which is passed a suspension cord or chain, H. Each end of the suspension cord or chain is attached adjustably to the elevator-platforms I.

The elevator-platform is constructed as follows: J J represent bars, adapted to slide vertically on the sides b of the standards. These bars J J are connected by rigid cross-beams K L, to the former of which the suspension cord or chain H is attached. A Io the lower cross-beam L the extremity of an elevatingrope, M, is attached. The` platform-frame is adapted to run easily on the standards A A A Al by means of rollers X X X X (having suitable bearings in the bars J J for sustaining the lateral pressure produced by the Eachsection of the standard is furnished with a tenon, a, and

a mort-iseka, at each end, respectively, `orl Y other suitable means for rigidly connecting or f coupling the sections of the standardswhen lengthening the elevator-frame; ,but the frame is detachable, 4so than-when desired,the frame can beshortened or removed ffrom place to At suitable heights are placed plat- On the uppermost onev D of these platforms are mounted pillowweight of the materials to be elevated. From the'lower partsiof the sliding frame projectr horizontal arms or brackets N, strengthened by braces O, and receiving the platforms P, on which wheelbarrows or piles of materials are placed to be elevated. To the upper parts of the platform-frame is applied a supplemental frame, I', forming a bod-receiver, and

-which consists of uprights Q2 Q2 and supporting-.brackets Q Q1, surmounted by angular seats R of suitable shape to receive hods or tools. This supplemental frame is secured by its uprights being inserted within clips or Sockets S on the sides of the platform-bars J J and yokes T, projecting downward from beneath the lower horizontal bracket Q1 of the supplemental frame, and fitting over the crossbeam K of the elevator-frame.

U' U' represent pawls hung loosely on crankshafts V V', having bearings in hangers k k, depending from the cross-beams K. The

pawls are adapted to engage with vertical ratchet-racks W, attached to the standards A AA' A'. Pins v e, projecting from the crankshafts V V', engage with the pawls U' U'. When the said crank-shafts are turned in one direction the pawls will be retracted from contactwith the racks, and when turned in the other direction will be made to engage therewith. For this purpose the pawls are constructed with lugs or shoulders u u, adapted to receive the pressure of the pins 'v o in either direction.

In raising the platform, the platform being Ain its lowest position, the crank-arm is turned so that the pins on its shaft may be disengaged from the lugs on the pawls, and allow the latter to engage automatically with the racks'on the standards.

crank-shaft is turned so as to disengage the pawls. and keep them clear of the racks during its descent.

The elevating-rope M is carried around a drum',Y, connected with ahorse-power or other suitable motor, by .which it may be turned in either direction, to run either elevator up In lowering the plat-K form, upon its arrival at its highest point, the

while the other is allowed to descend. Bothl the suspension-rope H and the elevating-rope M are ,adjustably connected with the elevatorframes, so as to provide for. extending the height of the apparatus, or the height to which the elevators may be run, `as circumstances mayr require. Z Z may represent atemporary platform or planks resting upon joists z. Z' are customary stages or planks, by which wheelbarrows may be run onto the elevatorplatforms when at their lowest position.

The following is claimed as new:

1. The combination of base B, forming the sole support of the elevator, sectional and d etachable standards A A C A A' C', and detachable platforms D D', supported by the braces O U' of the standards A A A' A', the upper platform D carrying the upper mechanism, to which the elevator-platforms are attached, substantially as and for the purpose set forth.

2. The platform I, consisting of vertical bars J J, sliding-on the sides b of the lstandards A A A' A', and connected by cross-beams K ,the rollers X X', attached to said barsJ J, nd adapted to run respectively in. front and rear of the standards, in combination with braces O, platform P, and brackets N on the outside of the elevating-frame, as set forth.

3. The supplemental and detachable hod- 'rame, consisting of uprights Q2 Q2, supporting-brackets Q Q1, and angular seats B, the lower bracket Q1 havingyokes T for attachment to the cross-beam K, in combination with the vertical bars J J, having sockets or clips S, substantially as set forth.

4. The pawls U' U', having lugs u u, the crank-shaft V, provided with pins v fv for operating the pawls, and having bearings in hangers k k of the cross-beam K, in combination with standards A A, having racks W W, as set forth.

COURTLANDT P. L. BUTLER, Jr., 4 GEORGE D. JoNEs.

Images