US1186675A - Extension and roof for silos. - Google Patents

Description

S. 0. NAFZIGER.

- EXTENSION AND ROOF FOR s!L0s APPLICATION FILED SEPT-25. 1915.

Patented June 13', 1916.

2 SHEETS SHEET I.

javentor:

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I fi m S. 0. NAFZIGER. EXTENSION AND ROOF FOR SILOS. APPUCATION FILED SEPT.25. 19l5.

b 1 9 V 1 0O 1 6 n u d d an t n e ATL a D1 UNTTE SAMUEL O. NAFZIGER, OF GOSHEN, INDIANA.

EXTENSION AND ROOF FOR SILOS.

Application filed September 25, 1915.

To all whom it may concern:

Be it known that I, SAMUEL O. NAFZIGER, a citizen of the United States, residing at Goshen, in the county of Elkhart and State of Indiana, have invented certain new and useful Improvements in Extensions and Roofs for Silos, of which the following 1s a specification.

My invention relates to silos, particularly to an extension roof for silos, and has for its object the provision of a device of this character which can be attached to any silo and which will extend vertically upward when employed as an extension forming a cylindrical casing; and when collapsed to form a roof will form a conical water excluding covering; the component parts of the device.

being securely held together whether in the extended or collapsed position. I

An important object is to provide means whereby the parts of the device will be eflectually braced and supported at all times.

Another object is the provision of means for simultaneously raising all parts of the roof to their vertically extended position.

With these and various other objects in view, such as means for guiding the sections together when descending toform a roof, together with the novel hinging means used, in addition to the features of simplicity, durability, and efliciency, my invention consists in the novel construction and arrangement of parts, hereinafter described and illustrated in the accompanying drawings, in which:

Figure 1 is a side view of my device extended, Fig. 2 shows the device collapsed to form a conical roof, Fig. 3 is a side view of the device with the front portion removed, Fig. 1 is a detail view of the cap shown in Fig. 2, and Figs. 5, 6, 7 and 8 are detail views.

Referring more particularly to the draw ings, the numeral 1 designates a circular supporting base for my device. A plurality of pieces of strap iron 2 are riveted or otherwise secured to the base 1 at equally spaced distances, the tops of said pieces extending above the base and having apertures 3 formed in the extended portion.

A plurality of roof sections 4t are hingedly mounted on said base by hook bolts 5, shown in Fig. 5. Each of the roof sections comprises one piece of material formed into triangular parts 6 and 7. The triangular part Ghas its narrowest portion at the top. The

Specification of Letters Patent.

Patented June 13, 1916.

Serial No. 52,600.

Y which the girder support 10 is secured. The

triangular part 7 has its small end adjacent to the widest portion of part 6 or its bottom. The free end of the part 7 is curved slightly inward as at 11 to prevent it from striking the. girder 10 in the adjacentroof section.

The roof sections are kept from spreading at their lower ends by connecting braces 12 rlgidly secured to the part 6 of one section and having a slot 13 in their free end. The free ends of these braces are secured to the part 6 of the adjacent roof section by the hook bolts 5 which'form the hinges for the roof sections 4. The hook bolts 5 pass through the apertures 3 in strap irons 2 and are further passed through the angle irons forming the girders 10 and thence through the, slots 13 in the braces 12 forming a flexible and secure hinge. The roof sections 4 are further braced by sliding braces 14 comprising a bar portion 15 and a receiving portion 16, as shown in Fig. 1. The bar 15 is secured to the part 6 of one roof section 4% and the receiving portion 16 is secured to the part 6 of the adjacent roof section.

Guide members 17 are secured adjacent the top of the part 6 of the roof sections, as shown in Fig. 7. A bracket 18 is secured to one of the girders 10, and a tubular guide member 19 is secured to the bracket. A'conical cap 20 is secured to supports 21 on a tubular post 22 having an opening 23 in its lower end. The tubular post 22 is adapted to be inserted in the guide member 19. v

Strap iron members 241, shown in Fig. 5, are secured to the lower ends of the girders '10 and have their free ends 25 bent V- shaped. Pulleys 26 are secured to the V- shaped portions 25 of the members 24.

A member 27 is hingedly secured at its upper end to the base 1 and has a set of P111- leys 28 secured thereto near its lower end. A second pair of pulleys 29 are. secured, one at each side of the member 27, directly to the base 1.

A cable 30 is passed through all of the pulleys 26 and its ends are passed through the pulleys 28 and 29 and then secured together forming a loop 31. A cable 32 issecured in the opening 23 in the post 22 and then passed through pulleys 33 and 34 on the bracket 18 and then it is passed under the roof at 35 and secured to the cable 30. A third cable 36 is secured to the loop 31 and passes down to the ground.

A cable hoop 38 is secured to the part 6 of the roof sections 4 to prevent the sections from spreading.

The operation of the device is as follows: The base 1 is set on the top of any ordinary silo wall and the roof sections 4 are secured to the base by the hook bolts 5 and the braces and guides are then assembled and the cables 30 and 32 are passed through their respective pulleys and the cable 36 is then attached to the loop 31 in the cable 30. V The device is then in its operative position and assembled. To raise the roof sections to act as an extension to the silo wall,

all that is necessary is to pull on the cable 36 and this will first raise the cap 20 and leave the sections l of the roof free to rise and form the extension. Further pulling on the cable 36 will then raise the roof sections. After the roof sections are raised the cable 36 is secured in any desired manner. sary to release the cable 36 when they will fall into the position shown in Fig. 2.

Having thus described my invention what I- claim is said base, a portion of each of said roof sections being raised in the formpf atriangle, the inner edge of said portion forming an offset in which a supporting girder is secured, the outer edge of said portion being bent upon itself to form a three ply support, and all of said roof sections being adapted to overlap and form a conical roof.

'3. A combined extension and roof for silos comprising a base, a plurality of rectangular roof sections hingedly secured to 1 said base, a portion of said sections being raised in the form of a triangle, a girder Copies ofthis patent may be obtained for To lower the sections it is only neces-- along the inner. edge of said portion, extensions secured on said girders, said extensions being V-shaped, pulleys secured to A. 'A' combined extension and roof for.

silos comprising a base, a plurality of roof sections hingedly secured to said base, girders secured to each of said roof sections, a

bracket adjacent the top of one of said gird ers, a tubular guide member secured to said bracket, a post slidably mounted in said guide member, a conical cap secured to said post, and means for raising said cap and said roof sections simultaneously.

5. A combined extension and roof for silos comprising a base, a plurality of roof sections hingedly secured to said base, girders secured to each of said ro'of sections, a bracket adjacent the top of one of said girders, a tubular guide membersecured to said bracket, a post slidably mounted in said guide member, a conical cap secured to said post, and means for raising said cap and said roof sections simultaneously, said means comprising a plurality of V-shaped extensions secured to said girders, pulleys secured to said extensions, other pulleys secured to said 'base, a cable passed through all of said pulleys, and a plurality of pulleys secured to said bracket, a cable secured to the lower end of said post and passed through said last named pulleys and secured to said first named cable.

'6. A combined extension and roof for silos comprising a base, a plurality of roof sections hingedly secured to said base, parts 7 of said roof sections being raised in the-form of a triangle, means for simultaneously raising said'roof sections, and means for pre venting said roof sections from spreading when in their extended position, said means comprising sliding braces adjacent the bottoms of said roof sections and a flexible hoop secured to said raised portion of each roof section. l I In testimony whereof I hereto, aflix my signature in the presence of two witnesses.

SAMUEL o. .NAFZIGER.

five cents each, by addressing the Commissioner of Patents, Washington, I). G.

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