US2008093896A1PendingUtilityA1

Convertible stool

Assignee: LARIN CORPPriority: Nov 17, 2004Filed: Nov 17, 2006Published: Apr 24, 2008
Est. expiryNov 17, 2024(expired)· nominal 20-yr term from priority
Inventors:Shouyun Zhang
A47C 9/025A47C 7/50A47C 7/029A47C 7/004A47B 91/00
49
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Claims

Abstract

A convertible stool is interchangeable between a utility function which has a seat movable up and down and has casters as feet at the end of legs connected with the seat through an upstanding member. In a second use, the casters are replaced by feet to give stability to the chair on a floor or base. As such, the second use can be a furniture type use.

Claims

exact text as granted — not AI-modified
1 . A method of converting a stool which is multifunctional as a utility stool in a first mode and a furniture item in a second mode including the steps of:
 applying removable casters to feet for a stool such that the stool can be moved on casters that facilitate rolling movement on a floor so as to permit movement around a workspace without the need for a user to get off a seat;   permitting the seat to be raised or lowered according to the suitable height for use as a utility function around the workspace;   removing the casters; and   applying removable non-movable feet such that in the second mode the stool acts as the furniture item which is not rollable on the floor, the legs including the non-movable feet being such that the stool can be located in a fixed relationship relative to a floor except if physically dragged in a non-rolling manner to a different location.   
   
   
       2 . The method as claimed in  claim 1 , including permitting moving the seat relatively vertically and the movement being on a central pillar extending from the base of the seat to the legs. 
   
   
       3 . The method as claimed in  claim 2 , wherein the stool includes multiple legs, the multiple legs being splayed radially from the cental pillar, the multiple legs each having a bottom face, the bottom face having a hole permitting applying the removable casters or removable non-movable feet; and
 wherein both the casters and non-movable feet have a top face, the top face having a spindle, wherein the top face of the casters or non-movable feet are located oppositely the bottom face of the legs and wherein the spindle enters and enters tight fitting contact with the hole in the bottom face of the legs securing the casters or non-movable feet with the legs.   
   
   
       4 . The method as claimed in  claim 2 , including raising and lowering of the seat and through the pillar, the pillar including a pneumatic member. 
   
   
       5 . The method of  claim 1  further comprising utilizing a tool to facilitate easy removal of the casters of non-movable feet. 
   
   
       6 . The method of  claim 5  further comprising engaging a spindle on a top face of the caster or non-movable feet to facilitate removal.

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