High chair having a seat-tilting mechanism
US6347833B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 11, 2000 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Sep 11, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47D1/0085
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair includes a leg unit with left and right sides, and a generally L-shaped seat member connected pivotally to the leg unit and swingable about a horizontal axis. The seat member has left and right sides. A seat-tilting mechanism includes a pair of movable plates disposed respectively, vertically and movably on the left and right sides of the leg unit and connected fixedly to each other. Each of the movable plates has an upper edge which is formed with a row of pin notches that are arranged one behind another. An aligned pair of engaging pins is mounted respectively and fixedly to the left and right sides of the seat member. A biasing unit biases the movable plates upward so as to engage a selected one of the notches in each of the movable plates with a respective one of the pins, thereby positioning the seat member with respect to the leg unit. The movable plates can be pulled forcibly and downwardly against biasing action of the biasing unit so as to remove the movable plates from the pins, thereby permitting rotation of the seat member on the leg unit and engagement of each of the engaging pins with another one of the notches in a respective one of the movable plates for for…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.