Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
176 words
A folding high chair having several use positions and comprising a base frame consisting of two pairs of legs substantially disposed in use in the form of an inverted V, a seat provided with a supporting framework slidably engaged with said base frame and movable in a substantially vertical direction from a lowered position to a maximally raised position with respect to the base frame itself, fastening means for rigidly securing said seat to said base frame at predetermined heights thereof, as well as safety means capable of preventing the accidental disengagement of said fastening means, wherein said high chair further comprises a substantially U-shaped control lever located at the back of the base frame and essentially consisting of a base crosspiece, operated as a pedal and provided with two substantially parallel extensions rotatably engaged, at the free ends thereof, with said supporting frame and supported, at an intermediate point thereof, by respective tension rods, the ends of said tension rods opposite said extensions being each rotatably fitted into the upper part of said base frame.
Claim 2
Dependent Claim
176 words
A folding high chair having several use positions and comprising a base frame consisting of two pairs of legs substantially disposed in use in the form of an inverted V, a seat provided with a supporting framework slidably engaged with said base frame and movable in a substantially vertical direction from a lowered position to a maximally raised position with respect to the base frame itself, fastening means for rigidly securing said seat to said base frame at predetermined heights thereof, as well as safety means capable of preventing the accidental disengagement of said fastening means, wherein said high chair further comprises a substantially U-shaped control lever located at the back of the base frame and essentially consisting of a base crosspiece, operated as a pedal and provided with two substantially parallel extensions rotatably engaged, at the free ends thereof, with said supporting frame and supported, at an intermediate point thereof, by respective tension rods, the ends of said tension rods opposite said extensions being each rotatably fitted into the upper part of said base frame.
Claim 3
Dependent Claim
29 words
The high chair as claimed in claim 1, comprising two sliding sleeves rigidly connected to said supporting framework and slidably engaged with the front legs of said base frame.
Claim 4
Dependent Claim
157 words
The high chair as claimed in claim 1, wherein said fastening means comprises at least one pair of hooking elements carried by said seat and rotatably fitted in the vicinity of said front legs, said hooking elements being provided with respective engagement housings extending substantially in a verbical direction and adapted to recieve fastening pegs located on said front legs at predetermined heights thereof and being linked to each other by a control linkage consisting of a transmission plate rotatably engaged, at an intermediate point thereof, with a supporting crosspiece and, at the free ends thereof, with two connecting rods; each of said connecting rods rotatably engaging with one of said hooking elements and at least one of said connecting rods being provided with an extension projecting from the high chair and being also linked to a spring mounted on said supporting crosspiece and acting so as to thrust said hooking elements towards their respective fastening pegs.
Claim 5
Dependent Claim
18 words
The high chair as claimed in claim 3, wherein said control linkage is surrounded by a box-shaped receptacle.
Claim 6
Dependent Claim
25 words
The high chair as claimed in claim 1, wherein each of said tension rods is substantially comprised of two portions rotatably fitted into each other.
Claim 7
Dependent Claim
55 words
The high chair as claimed in claim 1, wherein said seat is provided on each of its arms with a fitting lug adapted to be inserted into a slot being part of a plurality of slots located on the parallel extensions of a front tray which in section have the form of an inverted U.
Claim 8
Dependent Claim
34 words
The high chair as claimed in claim 6, wherein each of said fitting lugs has a wedge-shaped profile, projecting from the respective arm by an increasing degree in the direction of the seat back.