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[0001] The present invention relates to an armrest of a chair with a cushion, and particularly to an armrest installed at one of two sides of a chair, wherein the position and orientation thereof can be adjusted as desired.
[0002] Armrests are installed at two sides of a chair. In early age, the armrest is fixed. Namely, the position and orientation thereof can not be installed as desired. Therefore, the user's arms can not be well located.
[0003] Some movable armrests are developed for improving the defects in the prior art, while these designs are not perfect. In one prior art design, a movable armrest is disclosed, while the armrest only moves forwards and backwards. Another one end of the armrest is pivotally connected, so that the armrest may be rotated around the pivotal point. However, in this prior art, the position of the armrest can not be adjusted to complete match the requirement of user's arm.
[0004] Accordingly, the primary object of the present invention is to provide an armrest of a chair with a cushion, wherein the position and orientation thereof is adjustable so that the two arms of the user may be supported comfortably.
[0005] To achieve above object, the present invention provides an armrest of a chair with a cushion, wherein, the armrest is arranged at one side of a chair and is movable for adjusting the position and orientation thereof. The armrest comprises a slidable platform and a parallel linkage means. The slidable platform has a retaining seat and a sliding seat. The retaining seat is fixed to a predetermined position at one of two sides of the chair. The sliding seat is supported by the retaining seat and is movable with respect to the retaining seat. A parallel linkage means including a main linkage and a pair of swinging linkages pivotally connected to two ends of the main linkage. Another ends of the swinging linkages not being connected to the main linkage are pivotally connected retaining seat. The main linkage has a cushion. By the supporting of the parallel linkage means, the user can move the cushion to different positions or be at any orientation.
[0006] The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing.
[0007]
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[0014]
[0015]
[0016] FIGS.
[0017] Referring to
[0018] A slidable platform
[0019] A parallel linkage means
[0020] In one preferred embodiment of the present invention, the sliding seat
[0021] For preventing the sliding seat
[0022] In another preferred embodiment, a stop means is installed between the sliding seat
[0023] The parallel linkage means
[0024] Besides, one swinging linkages
[0025] The concave cavities
[0026] The way for installing the retaining seat
[0027] With reference to
[0028] The present invention is thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the present invention, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.