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Publication numberUS1917018 A
Publication typeGrant
Publication dateJul 4, 1933
Filing dateNov 13, 1931
Priority dateNov 13, 1931
Publication numberUS 1917018 A, US 1917018A, US-A-1917018, US1917018 A, US1917018A
InventorsBarbara Clark
Original AssigneeBarbara Clark
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Tunnel toy
US 1917018 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

.uy 4, 1933. B. CLARK ,917,08

TUNNEL TOY Filed NOV. 13, 19151 @ma fr: veyoz.

Patented July 4, 1933 UN .STATES BARBARA CLARK, (HT-BOSTON, MASSACHUSETTS TUNNEL TOY Application filed November 13, 1.931.

This invention relates to a tunnel toy. This toy, when constructed and used in accordance with the principles and directions hereinafter set forth, has great utility and value in the promotion of the proper development of children.

Modern research points to the ,fact that the exercise of crawling has great value in the development of children. Those children who have been most proficient in this exercise appear to be stronger and better developed. The pelvic muscles, especially, are better developed by the use of four supports as in crawling, than bythe use of two as in walking.

It is an object 0f my invention to provide a toy which will be attractive to children so that they will use it extensively, and the use of which in an instinctive and natural manner will be of great benefit in the proper development of the child. My invention is capable of modification such that its use will be of value in the correction of certain deformities of the spine.

The accompanying drawing is a perspective view of one form of my invention.

In its simplest form, my toy comprises tunnel formed by a bent surface 2 which may be of sheet metal or other suitable material. This bent surface, which forms the curved sides and roof of the tunnel, may be secured to a base or floor 4 in any suitable manner as indicated at 6. When the surface 2 is formed from sheet metal, the edges 8 which form the ends of the tunnel are bent around curved wires for greater safety in the avoidance of sharp edges which might otherwise be a source of injury. Cr the tunnel may be constructed, for example, of wood and hard rubber.

The exact dimensions of the tunnel will vary somewhat depending upon the age and size of the children for whose use it is primarily intended. A convenient size is twenty inches in length, twelve inches in height at the center of the opening measured from top of base, and twelve inches in width. These dimensions are, however, given only in an illustrative and not in a limitingsense, as they may be increased or diminished to adapt the tunnel toy tothe most convenient and suitable use by an average child of predetermined age.

It is desirable to provide the tunnel with inclined approaches l0. Crawling up and serial No. 574,791.

down inclined surfaces, and changing from one level to another, is beneficial to a childs development. ln this case, therefore, the base of thetunnel is elevated four to six inches, for example. preaches are advantageously made separately from the tunnel part of the toy, and pro ,vided with means for readily attaching and detaching the same, such as the hooks l2.

The construction of my tunnel toy is sus-l ceptible of various'modifications.

Perforations lei may be provided in the sides of the base 4 through which axles may he carried, and the. tunnel may thus be made convertible into a cart.

Actual use of my tunnel toy has demon strated that it has a great appeal to children, who use it in a wide variety of ways for which its structure peculiarly adapts it. Crawling into a hole is an instinctive behaviorism in which a child will indulge, and one which should be encouraged by the provision of attractive facilities because of its value. The rounded top of my tunnel is muchk more suit able and desirable for children to climb and sit upon than, for example, the sharp surface of a horizontal bar. Children will set astride upon the tunnel, wall: the length thereof, climb on and jump olf-all of which exercises are benelicial to the childs development.

ln the appended claims the phrase conveniently to accommodate is to be understood as referring to the accommodation of a child in a crawling position.

l claim z- 1. A toy to stimulate crawling comprising` an open tunnel member of a size conveniently to accommodate a small child, engaging along two edges thereof a base member presenting a flat floor, and inclined appreaches leading to the floor of the tunnel.

2. A toy comprising an arched tunnel portion of a size conveniently to accommodate an average child of predetermined age., an elevated licor, inclined approaches leading to either end of the said floor and terminating substantially in the plane thereof, and means for detachably securing the approaches to the floor portion of the tunnel.

BARBARA CLARK.

The inclined ap-

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4988090 *Mar 23, 1989Jan 29, 1991Schmitt Marcella HPortable, safety, play furniture assembly
US5004297 *Jul 7, 1989Apr 2, 1991Schmitt Marcella HPortable, safety, play chair
US5205748 *Mar 3, 1992Apr 27, 1993Restaurant Technology, Inc.Play apparatus having obstacles
Classifications
U.S. Classification482/35
International ClassificationA63B9/00
Cooperative ClassificationA63B2208/12, A63B9/00
European ClassificationA63B9/00