Child car seat with adjustable armrest

Abstract

A child car seat with an adjustable armrest includes a backrest, a seat base mounted with the backrest, two armrests mounted with the seat base, two intermediate pieces engaged with the seat base respectively at two sides thereof, two controlling pieces slidably engaged respectively with the two intermediate pieces, and two elastic pieces 26 respectively mounted between the controlling piece and intermediate piece. Each controlling piece has a guiding portion and a wing extending laterally from the guiding portion. Each armrest has a longitudinal passage and a plurality of lateral slots. When the wing is received within one of the slots, the armrest is secured at a predetermined height. When the controlling piece is pressed to the extent that the wing does not received within the slots, the armrest can be slid up and down under guidance of the guiding portion and passage.

1 . A seat with an adjustable armrest, the seat comprising: 
 a seat base having a mounting port;    the armrest partially received within the mounting port, and having a longitudinal passage and a plurality of lateral slots situated on a side of the passage; and    a controlling piece which is slidably engaged with the seat base and has an actuating portion, a guiding portion extending away from the actuating portion and slidably received within the passage, and a wing laterally extending from the guiding portion;    wherein when the wing is received within one of the slots, the armrest is blocked from being moved and is held at a predetermined height relative to the seat base, and when the wing is not received within the slots, the armrest can be moved relative to the seat base.    
   
   
       2 . The seat with an adjustable armrest as claimed in  claim 1 , wherein the seat further comprises an elastic piece which is mounted between the controlling piece and the seat base so as to bias the controlling piece.  
   
   
       3 . The seat with an adjustable armrest as claimed in  claim 2 , wherein the controlling piece further has a bump connected with the guiding portion, and a total thickness of the bump and the wing being bigger than width of one of the slots.  
   
   
       4 . The seat with an adjustable armrest as claimed in  claim 2 , wherein the controlling piece further has a bump connected with the wing, and a total thickness of the bump and the wing being bigger than width of one of the slots.  
   
   
       5 . The seat with an adjustable armrest as claimed in  claim 1 , wherein the seat further comprises a backrest mounted with the seat base.  
   
   
       6 . The seat with an adjustable armrest as claimed in  claim 1 , wherein the seat further comprises an intermediate piece which is engaged with the seat base, and the controlling piece is slidably engaged with the intermediate piece.  
   
   
       7 . The seat with an adjustable armrest as claimed in  claim 6 , wherein the intermediate piece has a chamber and a channel which is opened into the chamber, the actuating portion of the controlling piece is received within the chamber, and the guiding portion is received within the channel and the passage.  
   
   
       8 . The seat with an adjustable armrest as claimed in  claim 7 , wherein the seat further comprises an elastic piece which is mounted between the controlling piece and the intermediate piece so as to bias the controlling piece.  
   
   
       9 . The seat with an adjustable armrest as claimed in  claim 8 , wherein the controlling piece further has a bump connected with the guiding portion, and a total thickness of the bump and the wing being bigger than width of one of the slots.  
   
   
       10 . The seat with an adjustable armrest as claimed in  claim 8 , wherein the controlling piece further has a bump connected with the wing, and a total thickness of the bump and the wing being bigger than width of one of the slots.  
   
   
       11 . The seat with an adjustable armrest as claimed in  claim 6 , wherein the seat further comprises a backrest mounted with the seat base.