Recliner
A recliner is disclosed here. The recliner is used as an office chair. The recliner includes a seat, a backrest pivotally attached to the seat, a stool pivotally attached to the seat, a linkage connected between the backrest and the stool and a hydraulic cylinder connected between the seat and the backrest.
The present invention relates to a recliner.
BACKGROUND OF INVENTIONU.S. Pat. No. 5,186,518 discloses a conventional recliner. This conventional recliner is however very complicated in structure. This complicated structure includes many parts and eventually entails a very high cost. Moreover, this complicated structure is bulky and heavy. The present invention is therefore intended to obviate or at least alleviate the problems encountered in prior art.
SUMMARY OF INVENTIONIt is an objective of the present invention to provide a recliner with a backrest that can be moved to any desired position within a range.
It is an objective of the present invention to provide a recliner with a stool that can be moved to any desired position within a range.
It is another objective of the present invention to provide a recliner that is simple in structure.
According to the present invention, a recliner is disclosed here. The recliner is used as an office chair. The recliner includes a seat, a backrest pivotally attached to the seat, a stool pivotally attached to the seat, a linkage connected between the backrest and the stool and a hydraulic cylinder connected between the seat and the backrest.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description in conjunction with the attached drawings.
BRIEF DESCRIPTION OF DRAWINGSThe present invention will be described via detailed illustration of the preferred embodiment referring to the drawings.
A backrest 30 is arranged between and pivotally connected with the armrests 21. The backrest 30 includes an upper portion 31 for supporting a user's back and a lower portion 32 to be described.
A stool 40 includes two linkages 41 attached to the seat 20 and a stool plate 42 attached to the linkages 41. Referring to
A linkage 50 is used to connect the lower portion 32 of the backrest 30 with the linkages 41. Referring to
A hydraulic cylinder 60 includes an end attached to the seat 20 and an opposite end attached to the lower section 32 of the backrest 30. The hydraulic cylinder 60 includes a lever 61 for the control thereof. The lever 61 is normally in a first position shown in
Referring to
The lever 61 can be pivoted from the first position shown in
Referring to
The backrest 30 and the stool 40 can be moved to any desired position between the positions shown in
The present invention has been described via detailed illustration of the preferred embodiment. Those skilled in the art can derive variations from the preferred embodiment without departing from the scope of the present invention. Therefore, the preferred embodiment shall not limit the scope of the present invention defined in the claims.
Claims
1. A recliner comprising a seat, a backrest pivotally attached to the seat, a stool pivotally attached to the seat, a linkage connected between the backrest and the stool and a hydraulic cylinder connected between the seat and the backrest.
2. The recliner according to claim 1 wherein the hydraulic cylinder includes a lever movable from a first position where the hydraulic cylinder cannot be extended and shrunk to a second position where the hydraulic cylinder can be extended and shrunk.
3. The recliner according to claim 1 wherein the stool includes two linkages pivotally connected with the seat and a stool plate pivotally connected with the linkages thereof.
4. The recliner according to claim 3 wherein the each of the linkages includes a first link pivotally connected with the seat, a second link pivotally connected with the seat, a third link pivotally connected with the first link and the second link, a fourth link pivotally connected with the third link, a fifth link pivotally connected with the fourth link and a sixth link pivotally connected with the third link and the fifth link, and the stool plate is attached to the sixth links of the linkages.
5. The recliner according to claim 1 wherein the linkage includes a first link and a second link, and the first link includes an end pivotally connected with the backrest and an opposite end connected with a center of the second link, and the second link of the linkage includes two ends each connected with one of the first and second links of corresponding one of the linkages.
6. The recliner according to claim 1 wherein the ends of the second link of the linkage are connected with the second links of the linkages of the stool.
7. The recliner according to claim 1 including two armrests connected between the seat and the backrest.
8. The recliner according to claim 7 wherein the hydraulic cylinder includes a lever movable from a first position where the hydraulic cylinder cannot be extended and shrunk to a second position where the hydraulic cylinder can be extended and shrunk.
9. The recliner according to claim 7 wherein the stool includes two linkages pivotally connected with the seat and a stool plate pivotally connected with the linkages thereof.
10. The recliner according to claim 9 wherein the each of the linkages includes a first link pivotally connected with the seat, a second link pivotally connected with the seat, a third link pivotally connected with the first link and the second link, a fourth link pivotally connected with the third link, a fifth link pivotally connected with the fourth link and a sixth link pivotally connected with the third link and the fifth link, and the stool plate is attached to the sixth links of the linkages.
11. The recliner according to claim 7 wherein the linkage includes a first link and a second link, and the first link includes an end pivotally connected with the backrest and an opposite end connected with a center of the second link, and the second link of the linkage includes two ends each connected with one of the first and second links of corresponding one of the linkages.
12. The recliner according to claim 7 wherein the ends of the second link of the linkage are connected with the second links of the linkages of the stool.
13. The recliner according to claim 7 wherein the backrest is arranged between the armrests.
Type: Application
Filed: Jan 2, 2004
Publication Date: Jul 7, 2005
Inventor: Johnny Tai (Dong Guan City)
Application Number: 10/751,295