USRE40285EExpiredUtility

Grill device

Assignee: TSANN KUEN USA INCPriority: Sep 20, 2001Filed: May 20, 2004Granted: May 6, 2008
Est. expirySep 20, 2021(expired)· nominal 20-yr term from priority
Inventors:Tsan-Kuen Wu
A47J 37/0611
57
PatentIndex Score
7
Cited by
19
References
7
Claims

Abstract

A grill device includes two independently controllable cooking sets confining two isolate cooking spaces such that two different meat pieces can be grilled therein under different cooking temperatures at the same time. Each of the cooking sets has a cooking plate provided with first and second grill ribs alternately disposed thereon. The first grill rib has a horizontal flat portion and a curved portion extending curvedly and downwardly from the flat portion. The second grill rib has a horizontal flat portion, and a curved portion extending curvedly and upwardly from the flat portion. The curved portion of the second grill rib has an elevation higher than those of the flat portions of the first and second ribs to prevent sliding out a meat piece from the cooking plate when the meat piece is disposed on the flat portions of the first and second grill ribs.

Claims

exact text as granted — not AI-modified
1. A grill device comprising:
 a horizontal single-piece lower grill unit having a rear side, and a front side, and provided with two lower cooking members;  
 a horizontal upper grill unit in the form of two independent upper halves superposed on said lower grill unit so as to dispose each of said upper halves at a closed position with respect to said lower grill unit, each of said upper halves having a rear side and an upper cooking member which is registered with and which is electrically coupled to a respective one of said lower cooking members of said lower grill unit;  
 a connecting unit interconnecting said rear sides of said lower grill unit and said upper halves in such a manner that each of said upper halves can be turned rearward from said closed position to an open position, in which a respective one of said upper halves is generally perpendicular to said lower grill unit; and  
 a pair of control switches, each of which is operable so as to control actuation and cooking temperature of a respective one of said lower cooking members in said lower grill unit and said upper cooking member in a corresponding one of said upper halves;  
 each of said lower cooking members further including a cooking plate having a cooking surface extending between said rear and front sides of said lower grill unit,  
 a heating member disposed below said cooking plate, and  
 a plurality of parallel uniformly spaced apart first and second grill ribs alternately disposed on said cooking surface, and extending between said front and rear sides of said lower grill unit, each of said first and second grill ribs having a top surface and a front end with a front terminating adjacent to said front side of said lower grill unit, said top surface of each of said first grill ribs having a flat portion extending horizontally from said rear side of said lower grill unit to a position adjacent to said front end of said first grill rib, and a curved portion extending curvedly and downwardly from said flat portion to said front edge of said first grill rib, said top surface of each of said second grill ribs having a flat portion extending horizontally from said rear side of said lower grill unit to a position adjacent to said front end of said second grill rib, and a curved portion extending curvedly and upwardly from said flat portion to said front edge of said second grill rib, said curved portions of said second ribs having an elevation higher than those of said flat portions of said first and second ribs so as to prevent a meat piece from sliding out of said lower grill unit when the meat piece is disposed on said flat portions of said first and second grill ribs.  
 
     
     
       2. The grill device as defined in  claim 1 , wherein said cooking surface of said cooking plate inclines gradually from said rear side toward said front side of said lower grill unit. 
     
     
       3. The grill device as defined in  claim 1 , further comprising a confining-wall disposed on said cooking surface of said cooking plate to confine said first and second grill ribs therein. 
     
     
       4. The grill device as defined in  claim 1 , further comprising an insulator spacer disposed between said lower cooking members so as to form two isolated cooking spaces that are confined by said upper halves and said lower cooking members. 
     
     
       5. A cooking plate for a cooking member of a grill unit having front and rear sides, said cooking plate comprising:
   a plate body having front and rear sides and a cooking surface extending between said front and rear sides;        said plate body having a plurality of parallel uniformly spaced apart first and second grill ribs that are alternately disposed on said cooking surface, said first and second grill ribs extending between said front and rear sides of said plate body;        said first and second grill ribs having a top surface above said cooking surface, and a front end with a front edge terminating adjacent to said front side of said plate body;        said top surface of each of said first grill ribs having a flat portion extending from said rear side of said plate body to a position adjacent to said front end of each of said first grill ribs, and a curved portion extending downwardly from said flat portion to said front edge of each of said first grill ribs; and        said top surface of each of said second grill ribs having a flat portion extending from said rear side of said plate body to a position adjacent to said front end of each of said second grill ribs, and a curved portion extending curvedly and upwardly from said flat portion to said front edge of said front end of each of said second grill ribs, said curved portions of each of said second grill ribs having an elevation higher than that of said flat portion of each of said first and second grill ribs.      
     
     
       6. The cooking plate of  claim 5 , wherein said flat portion of said top surface of each of said first and second grill ribs extends horizontally from said rear side of said plate body.  
     
     
       7. The cooking plate of  claim 5 , wherein said cooking plate is adapted to be disposed so as to incline gradually from said rear side of said grill unit toward said front side of said grill unit.

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