US1133949A - Spring structure. - Google Patents

Description

G. A. FRANZ.

SPRING STRUCTURE.

APPLICATION FILED JULY 8, 1912.

1,133,949, Patented Mar. 30, 1915.

I 0 fi WITN 5 ES 1E NORRIS PETERS co. FHOTC-LITHO.. WA SHINGTUN, D. c.

UNITED STATES PATT FFTQE.

GUSTAV A. FRANZ, OF JACKSON, MICHIGAN, ASSIGNOR TO JACKSON CUSHION SPRING COMPANY, OF JACKSON, MICHIGAN.

SPRING STRUCTURE.

Specification of Letters Patent.

Patented Mar. 30, 1915.

Application filed July 8, 1912. Serial No. 708,139.

To all whom it may concern:

Be it known that I, GUSTAV A. FRANZ, a citizen of the United States, residing at Jackson, in the county of Jackson and State of Michigan, have invented certain new and useful Improvements in Spring Structures, of which the following is a specification.

This invention relates to spring structures.

One object is to provide a spring structure embodying among other characteristics means whereby when the structure is upholstered there may be formed at the front edge thereof a roll with a minimum amount of hair and upholstering material and which will produce not only an attractive front but provide a soft, pliable roll at the upper front edge in contradistinction to the usual stiff edge and common square facing efiect.

Another object resides in the provision of a spring structure whose front row of springs are arranged in advance of the upper frame and the front of the structure thereby rendered exceedingly pliable.

A still further object is to provide a durable, yet efficient and pliable spring structure for car, automobile or other seats having at its upper front edge a plurality of projecting coils to provide for a rolling or rockinglike effect at the upper front portion of the structure under the weight of the rider.

With the above and other objects in view, the present invention consists in the combi nation and arrangement of parts hereinafter more fully described, illustrated in the accompanying drawings, and particularly pointed out in the appended claims, it being understood that changes may be made in the form, proportion, size and minor details without departing from the spirit or sacrificing any of the advantages of the invention.

In the drawings :Figure 1 is a top plan view of the invention. Fig. 2 is a side view. Fig. 3 is an enlarged detail sectional view through the upper portion of the structure on the line aa of Fig. 1.

In the embodiment of the invention illustrated in the accompanying drawings there is shown upper and lower frames 4 and 5, respectively. Connected to the lower frame 5 in any suitable manner are spring supporting wires 6 upon which latter and connected thereto by means of suitable clips 7 are springs 8. These springs are preferably arranged in rows with the rows from the rear to the front gradually increasing in height. The upper frameis disposed on an incline and preferably terminates at its front edge at the rear of the front row of springs 8 and is preferably connected at its front to the rear of the front row of springs by means of suitable clips 9. The springs 8 have their upper convolutions preferably connected by clips 10 with the clips 10 at the sides of the structure within the upper frame also connecting the outermost side springs to the sides of the upper frame. Suitable clips 10 may connect the rear springs to the rear of the upper frame.

Connected to the clips 10 of springs which aline from front to rear are yieldable steel bands 11 which extend over the front edge of the upper frame and project beyond the same and also beyond the front row of springs with their front extremities coiled as indicated at 12 to provide means whereby the upholsterer may readily form a pliable roll at the front of the structure at the upper portion thereof with a minimum amount of hair and upholstering material, thereby saving considerable time and expense in building up a roll with upholstering material. A pliable roll formed in this way obviates a stiff upper front edge and thereby affords ease and comfort to the rider. I have designed this particular embodiment of invention as a differing structure from that disclosed in the application of Watson R. Smith, Serial No. 668,720, filed December 30, 1911, and disclaim inventorship of the broad invention involved. in my application in view of the disclosure in said Smith application, believing said Watson R. Smith to be entitled to a dominating claim over me, and believing myself entitled to a claim or claims for the specific differences which exist between said prior application of said Smith and the structure illustrated in the drawing accompanying my specification.

The front row of springs being arranged in advance of the upper frame, the entire front of the present structure is more pliable and resilient than it would be if the upper frame be connected at its front edge to the outer edges of the front row of springs because there is no stiffness in the spring structure whatever in the upper portion of the structure in advance of the upper frame. The result is that the front of the structure at the upper portion thereof is not stiff but exceedingly pliable which, together with the provision for the formation of a pliable overhanging roll at the upper front portion of the structure, provides a spring capable of giving complete comfort and ease to the rider.

It will be seen that the extreme forward ends of the material of which the coils 12 are formed are located within the respective coils and if desired, these coils may be embraced or surrounded by strips of fabric 12 which fabric may be secured to the structure by holding them between the upper convolutions of alining springs and the corresponding yieldable bands 11 by the clips 10. The outer end of the material may be directed around the coils and secured to the body of the fabric by means of suitable clips 12 thereby confining the coils Within the fabric with the free extremities of the forward ends of the bands 11 and located within the coils. These fabric strips 12 cooperate with the bands and the coils in supporting the hair and other upholstering material (not shown) which is placed on the structure when upholstering the same.

From the foregoing it will be seen that I provide a simple, inexpensive, durable, efficient and extremely pliable spring structure for automobile or other seats and, as the upper frame preferably inclines with relation to the lower frame, there is a tendency of the rider being thrown backwardly toward the rear of the seat incident to jarring of the vehicle striking an obstruction in the roadway.

hat is claimed is 1. A spring seat structure comprising a frame, springs supported on the frame, a plurality of spaced yieldable bands connected to the top of the structure and at their forward ends extendingover and beyond the front of the structure and coiled upon themselves with the forward extremities of the bands terminating within the coil and with the coils terminating above and spaced from said frame and forming a plurality of forwardly extending rounded projections at the upper front portion only of the structure so as to provide for the formation of a pronounced, outstanding, pliable, collapsible, hollow, upholstered roll with a minimum amount of upholstering material located at the upper front edge only of the structure.

2. A spring seat structure comprising a frame, rows of springs mounted on the frame, yieldable bands connected to the upper convolutions of alining springs and projecting over and beyond the front springs, said projecting ends of the bands being formed into coils, and fabric material secured to the top of the structure between said bands and the upper convolutions of alining springs and wrapped around said coils.

3. A springstructure comprising a frame, springs supported on the frame, a plurality of spaced yieldable bands connected to the top of the structure and at their forward ends extending over and beyond the front of the structure and coiled completely upon themselves and thereby forming substantially complete circular projections wholly in advance of the front springs, said circular projections being unconnected with the front row of'springs and terminating above and spaced from said frameso as to provide for the formation of a pronounced, outstanding, pliable, collapsible, hollow, upholstered roll with a minimum amount of upholstering material located at the upper front edge only of the structure.

In testimony whereof I affix my signature in presence of two witnesses.

GUSTAV A. FRANZ.

lVitnesses:

JEANNETTE P. WENGER, XV. B. SMITH.

Copies of this patent may bc obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. 0*.

Images