Patent · US Expired

High chair having lockable pivotal coupler device

US6347830B1 · kind B1 · utility

22Cited by
14References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 21, 2000
Grant dateFeb 19, 2002
Priority date
Expiry dateAug 10, 2020

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE05Y2999/00
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A high chair includes a foldable frame having a pair of front legs and a pair of rear legs, a seat and a backrest mounted on the frame between the front legs and between the rear legs, and a pair of pivotal coupler devices, each of which is connected to one of the front legs and one of the rear legs. Each of the coupler devices includes first and second casing halves respectively having substantially circular opposite base walls which are connected pivotally to two opposite ends of a pivot shaft, and which respectively have peripheral flanges substantially extending circumferentially. The peripheral flanges extend toward and overlap one another. The peripheral flange of the first casing half includes a first slot and a second slot which is spaced from the first slot in an angular direction relative to the pivot shaft. A spring-loaded button is mounted on the base wall of the second casing half, and has a button head biased to extend radially and outwardly of a respective one of the peripheral flanges. The first and second casing halves are turnable about the pivot shaft between a first state, in which the button head projects out of the peripheral flange of the first casing half vi…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.