Quantcast

Swing with a seat unit having a backrest frame movable between inclined and horizontal positions

Imported: 24 Feb '17 | Published: 06 Jan '04

Chuen-Jong Tseng

USPTO - Utility Patents

Abstract

A swing includes a seat unit swingably connected to an upright support frame through suspending members. The seat unit includes a seat frame disposed between side frames, a backrest frame pivoted to the seat frame, and a pair of backrest-adjusting units. Each backrest-adjusting unit includes an engaging plate fixed to a respective side frame and formed with an arcuate slot, and a locking screw rod extending through the slot to threadedly engage a threaded hole in the respective backrest frame in such a manner that tightening of the locking screw rod results in securing of the backrest frame to the seat frame at a desired position relative to the seat frame.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

Other features and advantages of this invention will become more apparent in the following detailed description of the preferred embodiment of this invention, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic side view of the preferred embodiment of a swing according to the present invention;

FIG. 2 is a perspective view of an upright support frame of the,preferred embodiment;

FIG. 3 is a fragmentary view of the preferred embodiment, illustrating how a backrest frame is mounted at a desired position relative to a seat frame;

FIG. 4 is a fragmentary partly exploded view of the preferred embodiment taken along lines IV—IV of FIG. 3, illustrating how a backrest-adjusting unit is mounted on a side frame of a seat unit;

FIG. 5 is a fragmentary sectional view of the preferred embodiment, illustrating a locking screw rod of the backrest-adjusting unit at a tightened position relative to a backrest frame;

FIG. 6 is a fragmentary sectional view of the preferred embodiment, illustrating the locking screw rod of the backrest-adjusting unit at a loosened position relative to the backrest frame;

FIG. 7 is a fragmentary schematic side view of the preferred embodiment, illustrating how the backrest frame is locked to the upright support frame when the same is disposed at a horizontal position; and

FIG. 8 is an enlarged, fragmentary perspective view of the preferred embodiment, illustrating how the backrest frame is locked to the upright support frame when the same is disposed at the horizontal position.

Claims

1. A swing comprising:

2. The swing as defined in claim 1, wherein said seat unit further includes a stopping member that is sandwiched between and that abuts against said engaging plate and said backrest frame when said engaging block is received in said enlarged upper end of said arcuate slot upon tightening of said locking screw rod.