Self-adjustable backrest device

Inactive Publication Date: 2020-07-30
BLASCO ANDREU RAFAEL
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0016]The invention relates to a self-adjustable backrest device, whi

Problems solved by technology

None of the patents cited refer to an independent backrest, suitable to be installed in any type of chair, easy chair, armchair, or even on the fl

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Self-adjustable backrest device
  • Self-adjustable backrest device
  • Self-adjustable backrest device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036]Briefly described hereunder is an embodiment of the invention, by way of example and without limiting the scope thereof.

[0037]The self-adjustable backrest that supplements a seat surface.

[0038]A mobile plate (1) having a sufficient size to cover the user's back from the coccyx to the area of the shoulder blades.

[0039]A horizontal shaft (3) on which the aforementioned mobile plate swivels, the said shaft being supported by a first set of hubs (2) connected to the mobile plate and a second set of hubs (4) connected to the support, in this case two bars (5), beside the mobile plate so that the mobile plate is between those two bars.

[0040]A rotation spring (8) that is connected to the second set of hubs engages the shaft so that it keeps the mobile plate (1) in an approximately vertical position when it is in a resting position, i.e., when there is no external force acting thereupon.

[0041]The first set of hubs (2) is connected to the mobile plate. The shaft (3) is also associated ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The self-adjustable backrest device supplements a seat surface such that said seat surface is a previously existing one and what is covered by the object of this invention adds a backrest or improves the existing one, for which purpose it comprises a mobile plate on which the user rests, wherein said plate swivels on a horizontal shaft that passes through a first set of hubs connected to the plate, that shaft being associated with a second set of hubs connected to a support that may be the backrest itself of the chair or easy chair on which the self-adjustable backrest is going to be used, in which case it will be referred to as pre-existing backrest, or it may be a fixed backrest which forms part of the device, in which case it will be referred to as backrest of the device. The device may include fixing elements to prevent its movement, such as legs, pegs, or a flap.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation-in-part application that claims priority from and the benefit of U.S. application Ser. No. 15 / 778,316 filed on May 23, 2018, which is a 371 of International PCT / ES2016 / 07083 filed on Nov. 21, 2016, which claims priority from and the benefit of Spanish Application Nos. U201631384 filed on Nov. 21, 2016 and U201531301 filed on Nov. 23, 2015.[0002]The foregoing applications, and all documents cited therein or during their prosecution (“appln cited documents”) and all documents cited or referenced in the appln cited documents, and all documents cited or referenced herein (“herein cited documents”), and all documents cited or referenced in herein cited documents, together with any manufacturer's instructions, descriptions, product specifications, and product sheets for any products mentioned herein or in any document incorporated by reference herein, are hereby incorporated herein by reference, and may be emp...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): A47C7/40A47C31/12
CPCA47C31/126A47C7/402B60N2/22
Inventor BLASCO ANDREU, RAFAEL
Owner BLASCO ANDREU RAFAEL
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap