20140265483 | Furniture Cover with Strap | September, 2014 | Miller |
20130187356 | Assist Device with Standing Aid for Adding to a Wheelchair, a Wheelchair Integrated with such an Assist Device and Method for Manufacture Thereof | July, 2013 | Hazeleger |
20070290531 | TABLE AND BENCH SYSTEM | December, 2007 | Larsen et al. |
20070145793 | SADDLER AND ITS FRAME | June, 2007 | Su |
20160368554 | BICYCLE SADDLE FOR ENDURO AND DOWNHILL CYCLING | December, 2016 | Rizzato et al. |
20090096266 | Seat frame assembly | April, 2009 | Tai |
20170127844 | Chair with a Separate and Adjustable Headrest | May, 2017 | Grone |
20080277987 | Composite seat back frame | November, 2008 | Deadrick |
20150336479 | MULTIFUNCTIONAL SEAT FOR AUTOMOBILE | November, 2015 | Kam |
20120080917 | MAGNETIC BUCKLE ASSEMBLIES AND ASSOCIATED METHODS FOR USE WITH CHILD SEATS AND OTHER RESTRAINT SYSTEMS | April, 2012 | Miller et al. |
20100244510 | DISPLACEABLE HEAD RESTRAINT | September, 2010 | Schmitz |
[0001] 1. Field of the Invention
[0002] The present invention relates to a height-adjustable leisure chair, which in particular is easy for assembly, disassembly and carrying along, and it is permissible for the operator to adjust the height at his will to suit his gesture.
[0003] 2. Description of the Related Art
[0004] For persons to sit with ease and comfort in working, attending classes and eating in the restaurant, there have been numerous types of chairs invented and developed, such as sofa, office chairs, settees, class chairs, beach chairs, stools, etc. However, the chairs required for formal occasions must be spacious, stable and comfortable, but in most cases, they are heavy in weight, bulky in construction and hard to move, which are unsuitable for the purpose of outdoor activities. Nowadays, the very popular leisure chairs are mostly integrally-formed plastic chairs, wooden chairs or foldable chairs with the advantage of small size, light weight, simplified construction, ease for being carried along and transported in the cars. However, they are normally simplified at the expense of height, which are usually lower than regular chairs; the persons who sit on them can hardly proceed the activity as they usually do. After sitting on these kinds of chairs for a long time, the persons feel pain in hips and waists or numbness in legs instead of comfort and relief. Therefore, it requires a further study for improving them in depth and length.
[0005]
[0006] It is apparent that the height of the prior art of foldable chairs is lower than that of regular chairs. After sitting on this kind of chairs for a long time, people are unable to proceed activities they prefer because they feel painful in hips and waists and numb in legs.
[0007] Viewing from the aforesaid statement, the prior art of foldable chairs presents salient defect and inconvenience, requiring a further improvement.
[0008] For years, the inventor has been working hard on removal of such defects and inconvenience the prior art of the foldable chair inheres and come up with an improvement of his invention.
[0009] The inventor is an expert in respect of the manufacture and market of the chair industry and has fabricated several samples of height-adjustable leisure chairs in accordance with the invention for trial run, which are proven more practicable and useful.
[0010] The primary object of the invention is to provide a height-adjustable leisure chair, which is easy for assembly, disassembly and carrying along, and it is permissible for the operator to adjust the height at his will to suit his gesture.
[0011] To achieve the aforesaid object, the height-adjustable leisure chair of the invention mainly comprises a first post and a second post. The first post is composed of a sleeve tube with a plurality of legs. The second post also has a sleeve tube, which is permissible to be risen and lowered in the first post with a pivot brace and a plurality of connecting rods for holding the seat and the seatback of the chair. A quick-action clamp lock is fixed on the sleeve tube, which is convenient for the operator to rise or lower the second post within the first post and adjust the height of the chair or pull out of the first post as is disassembled to attain the pre-planned object.
[0012] The drawings disclose an illustrative embodiment of the present invention, which serves to exemplify the various advantages and objects thereof, but imposes no limitation.
[0013] The features and merits of the present invention are explained in great detail with the aid of the embodiments as illustrated in the following drawings.
[0014]
[0015]
[0016]
[0017]
[0018]
[0019]
[0020]
[0021] As shown in
[0022] The first post
[0023] The second post
[0024] In order to fasten the chair when the height is appropriately adjusted, a quick-actioned clamp lock
[0025] Now take the first post
[0026] The far end of the connecting rod
[0027] Spread the connecting rod
[0028] In addition, to avoid a central over sink of the seat
[0029] The product provided in the invention cherishes remarkable utilization, novelty and technical advance. The creative construction of the invention has neither been exposed to the public, nor in the furniture magazines. The product of the invention exactly complies with the patent requirements and is justified for a favorable approval of a patent certificate.
[0030] Many changes and modifications in the above disclosed embodiment of the invention can, of course, be carried out without departing from the scope thereof. Accordingly, to promote the progress in science and the useful arts, the invention is disclosed and is intended to be limited only by the scope of the appended claims.