Baby chair

Claim 2

An infant's chair adapted to be placed on the seat of a conventional chair, said infant's chair comprising: a base of substantially square horizontal cross-section and defining an upper seat surface at a top of said base; two side support parts and a back support part formed integrally with said base and said upper seat surface and extending upwardly from a respective one of three base sides and three edges of said upper seat surface, upper edges of said two side support parts having a gently rounded cross-section; means for securing the infant's chair to the seat of a chair; and a front and crutch support detachably mounted on said base, said front and crutch support including a cross-piece extending substantially parallel with a front edge of said upper seat surface, and further including an upstanding crutch-piece extending between central regions of said cross-piece and said front edge, said upper edges of said two side support parts extend substantially horizontally from the front of the infant's chair over at least a major part of their length at a height above said upper seat surface corresponding to about 0.2 to 0.75 times a height of an upper edge of said cross-piece mounted above said upper seat surface, and said two side support parts extend upwardly to a height corresponding approximately to a level of said upper edge of the cross-piece with the aid of extension pieces formed integrally with said cross-piece and extending rearwardly from the ends of said cross-piece.

Claim 3

An infant's chair according to claim 1, wherein said height of said upper edges of said two said support parts above said upper seat surface correspond to about 0.5 to 0.75 times said height of said upper edge of said cross-piece mounted above said upper seat surface.

Claim 4

An infant's chair according to claim 1, wherein said upper seat surface is substantially planar.

Claim 5

An infant's chair according to claim 1, wherein said base is provided at said two side support parts with through-passing slits, adapted to receive strap means for securing the infant's chair to the seat of a chair.

Claim 6

An infant's chair according to claim 1, wherein said upper seat surface is provided with perforations.

Claim 7

An infant's chair according to claim 1, wherein said upstanding crutch-piece includes at a lower end a downwardly extending projection which is received in a hole defined in said upper seat surface.

Claim 8

An infant's chair adapted to be placed on the seat of a chair, said infant's chair comprising: a base of substantially square horizontal cross-section and defining an upper seat surface at a top of said base; two side support parts and a back support part formed integrally with said base and said upper seat surface and extending upwardly from a respective one of three base sides and three edges of said upper seat surface, upper edges of said two side support parts having a gently rounded cross-section; means for securing the infant's chair to the seat of a chair; and a front and crutch support detachably mounted on said base, said front and crutch support including a cross-piece extending substantially parallel with a front edge of said upper seat surface, and further including an upstanding crutch-piece extending between central regions of said cross-piece and said front edge, said upper edges of said two side support parts extending substantially horizontally from the front of the infant's chair over at least a major part of their length at a height above said upper seat surface corresponding to about 0.2 to 0.75 times a height of an upper edge of said cross-piece mounted above said upper seat surface, and said two side support parts extend upwardly to a height corresponding approximately to a level of said upper edge of the cross-piece with the aid of extension pieces formed integrally with said cross-piece and extending rearwardly from the ends of said cross-piece; said extension pieces having a substantially U-shaped vertical cross-section and a gently rounded upper side and depending legs, bottom edges of said extension pieces being arranged to adjoin respective inner and outer surfaces of said two side support parts at a lowermost region of said upper edges and said upper edges having a gently rounded cross-section.

Claim 9

An infant's chair adapted to be placed on the seat of a chair, said infant's chair comprising: a base of substantially square horizontal cross-section and defining an upper seat surface at a top of said base; two side support parts and a back support part formed integrally with said base and said upper seat surface and extending upwardly from a respective one of three base sides and three edges of said upper seat surface, upper edges of said two side support parts having a gently rounded cross-section; means for securing the infant's chair to the seat of a chair; and a front and crutch support detachably mounted on said base, said front and crutch support including a cross-piece extending substantially parallel with a front edge of said upper seat surface, and further including an upstanding crutch-piece extending between central regions of said cross-piece and said front edge, said upper edges of said two side support parts extending substantially horizontally from the front of the infant's chair over at least a major part of their length at a height above said upper seat surface corresponding to about 0.2 to 0.75 times a height of an upper edge of said cross-piece mounted above said upper seat surface, and said two side support parts extend upwardly to a height corresponding approximately to a level of said upper edge of the cross-piece with the aid of extension pieces formed integrally with said cross-piece and extending rearwardly from the ends of said cross-piece; said extension pieces having a substantially U-shaped vertical cross-section and a gently rounded upper side and depending legs, bottom edges of said extension pieces being arranged to adjoin respective inner and outer surfaces of said two side support parts at a lowermost region of said upper edges and said upper edges having a gently rounded cross-section.

Claim 10

An infant's chair according to claim 7, wherein said two side support parts are of substantially U-shaped vertical cross-section and the legs of each of said extension pieces are arranged to extend in the form of a continuation of a respective inner and outer wall of an associated side support part.

Claim 11

An infant's chair according to claim 8, wherein said extension pieces are provided with internal transverse stiffening webs.

Claim 12

An infant's chair according to claim 9, wherein each of said extension pieces is provided with at least one internal sleeve means arranged to receive a fastening element for securing said extension pieces to an associated one of said two side support parts.

Claim 13

An infant's chair according to claim 10, wherein said fastening element comprises a screw passing through said upper edge of said associated one of said two side support parts from an inside of said part.