US569842A - Furniture-caster - Google Patents

Description

E. D'. SCHMIDT.` FURNITURE GAMER.

No. 569,842, Patented 0611.20, 1896.

UNITED I STATES PATENT OEEIcE.

EDIVARD D. SCHMIDT, OF OUYAHOGA FALLS, OIIIO.

FU RNlTURE-CASTER.

SIEGIFICATION forming part of Letters Patent N o. 569,842, dated October 20, 1896.

Application filed October 24, 1895. Serial No. 566,705. (No model.)

To @ZZ wtont it may concern:

Be it known that I, EDWARD D. SCHMIDT, a citizen of the United States, and a resident of Cuyahoga Falls, in the county of Summit and State of Ohio, have invented certain new and useful Improvements in Furniture-Casters, of which the following is a specification.

My improvement refers to means for securing the castenpin in the furniture-leg or other article on which it is used.

In the accompanying drawings, illustrating my improvement, Figure 1 is a View of the caster secured to the furniture-leg by myimprovement. Fig. 2 is a plan view of the staple or attaching device before it is bent into shape for use, and Fig. 3 is a view of the staple readyfor use with the caster. Figs. 4 and 5 are modifications.

My improved attaching device consists of a staple a, of any suitable springy metal, of a form substantially like that shown in Figs. 1 and 2, having a circular central portion c' of a diam eter a little .less than the diameter ofthe socket or recess c, in which the caster-pin is inserted, and the side portions c2, terminating in spurs l). This staple is cut or stamped from the metal blank in the form shown in Fig. 2, and the side portions a2 are then bent down from the central portion, as is seen in Fig. 3. These side portions are curved or made to dare slightly outward, and the points ZJ are bent out and down so as to catch into the sides of the socket or recess in the furniture, as hereinafter described.

The outer end CZ' of the caster-pin is preferably hollowed out slightly to fit the curve of the side portions of the staple. To secure the caster with this attaching device, the staple is placed on top or straddle of the casterpin d, with the side portions extending down on the sides of the pin. In this position the downwardly-extending spurs b in their normal position flare outwardly beyond the outside line of the pin d, as shown in Fig. 1. Being of spring metal, however, they admit of being held against the sides of the pin. Their form and material therefore adapt them to lie down against the sides of the pin as the pin is being forced up into the recess, but to spread outwardly and embed themselves into the wooden sides of the recess, as shown in Fig. l, as soon as any attempt is made to pull the piu out. The pin, with the staple, is then pushed into the socket or recess, the points b readily sliding along the sides of the recess. As the pin and staple enter the recess the sides of the staple are pressed in against the hollowed-out sides d Ot' t-he pin and thus grasp and bind the latter. By reason of the downward projection of the points b of the staple these points catch into the sides ofthe recess and tend to prevent the staple being Withdrawn from the latter, and as the staple grasps the end of the pin it follows that the pin is eftectually held in the recess and cannot drop out of the same. If, however, it is desired to remove the caster, a strong energetic pull on the caster will draw the pin and staple out of the recess, the points yielding suflciently for the purpose.

Fig. l shows a modiied form of the staple in which there is but one side portion a2, and Fig. 5 is a view of a modified construction of the caster-pin. As there seen, the pin is formed with a slight bulging portion d2 near the end in place of the recess shown in Fig. l.

My improved attaching device can be cheaply made and easily applied and effectually secures the pin in the furnitureleg.

I am aware of the prior existence of the structure shown in Patent No. 11,506 to L. S. White, dated October 8, 1854, in which the bond between a socket-tube and a caster-pin is made by a spring straddling the end of the socket-Tube within a groove in the same and projecting at its extremities inward through the socket-tube into a groove in the pin. I make no claim to such construction, for in the construction herein claimed the spring makes the bond between the pin which it straddles and the surrounding wood by being provided with an inward projection clamping the piu and an outward-projecting spur or spurs adapted to embed in the surrounding wood.

I claim- 1. In combination with a casteiupiu, a caster-pin holder detached from said pin eX- tending over the end of the pin and downward on the side thereof and provided on the side with an inward projection to clamp the pin and a spur atthe extremity normally extending outwardly beyond the outside line of the pin whereby the spur is adapted to em- IOO pin whereby the spur is adapted to embed itself in the surrounding Wood whereby the spring is lcic'laqotecl to secure itselfby interlocking With the Wood and remain in position While the piu is rotated or Withdrawn, substantially as described.

EDVARD D. SCHMIDT.

Titnessesz CHAs. A. DAVIS, J. XV. GRAHAM.

Images