US20140359937A1 - Bedstead with adjustable height - Google Patents

Bedstead with adjustable height Download PDF

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Publication number
US20140359937A1
US20140359937A1 US13/913,515 US201313913515A US2014359937A1 US 20140359937 A1 US20140359937 A1 US 20140359937A1 US 201313913515 A US201313913515 A US 201313913515A US 2014359937 A1 US2014359937 A1 US 2014359937A1
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US
United States
Prior art keywords
frame
rod
base
passive
passive frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/913,515
Inventor
Hung-Chun Chang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAI SHENG HEALTHCARE MACHINERY CO Ltd
Original Assignee
TAI SHENG HEALTHCARE MACHINERY CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TAI SHENG HEALTHCARE MACHINERY CO Ltd filed Critical TAI SHENG HEALTHCARE MACHINERY CO Ltd
Priority to US13/913,515 priority Critical patent/US20140359937A1/en
Publication of US20140359937A1 publication Critical patent/US20140359937A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • A47C19/045—Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame

Definitions

  • the present invention relates to a bedstead, and more particularly to a bedstead with adjustable height.
  • the technical problem the present invention wants to solve is that conventional bedsteads such as those for medical usages have a connecting rod and a supporting rod to form a frame base, and a mattress is disposed thereabove to form a bedstead structure, so the height of the conventional bedstead structure is restricted and cannot be adjusted. This is actually a drawback that adversely affects the practicability of the bedstead.
  • the present invention provides a bedstead with adjustable height includes a base, a passive frame and a connecting frame.
  • a plurality of supporting rods extending upwards are disposed at periphery of the base, and outer portion of each supporting rod has a rail rod, and a lifting element is located at center of the base.
  • Periphery of the passive frame is slightly bigger than base, and a frame rod has a restriction rod corresponding to the rail rod of the base, and a mattress is disposed on top of the passive frame.
  • the connecting frame has two corresponding connecting rods, each of which has a second connecting rod at its end to form an H-shaped rod body.
  • One end of the second connecting rod connects with the periphery of the passive frame, and the other end pivotally connects with the base with a conjugating rod, so that two connecting rods of the connecting frame are disposed and connected between the base and the passive frame. Furthermore, a driving rod is disposed between two connecting rods, so the connecting rods at least have two corresponding pivotal connecting portions for the driving rods and the two connecting rods of the passive frame can be driven simultaneously through the driving rod.
  • the present invention is advantageous because (i) the base connects with the passive frame through the lifting element, so that the height of the passive frame can be adjusted through the lifting element. Also, the passive frame moves linearly through the restriction rod along the rail rod to increase the preciseness and stableness of the movement of the lifting element; and (ii) the connecting frame is disposed between the base and the passive frame, wherein the connecting frame has two corresponding connecting rods and driving rods to form a supporting frame, so the passive frame and the base are balanced with each other through the connecting frame to increase the strength between the passive frame and the base and evenly distribute the pressure on the surface of the passive frame to prevent unsmooth adjustment of the passive frame due to single-sided pressure.
  • FIG. 1 illustrates a three-dimensional view of the present invention.
  • FIG. 2 illustrates an exploded view of the present invention.
  • FIG. 3 illustrates a partial enlarged schematic view of the present invention.
  • FIG. 4 illustrates a schematic view of the bedstead in the present invention that has not been adjusted.
  • FIG. 5 illustrates a schematic view of the bedstead in the present invention that has been adjusted.
  • a bedstead with adjustable height includes a base ( 10 ), a passive frame ( 20 ) and a connecting frame ( 30 ).
  • a plurality of supporting rods ( 11 ) extending upwards is disposed at periphery of the base ( 10 ), and outer portion of each supporting rod ( 11 ) has a rail rod ( 111 ), and a lifting element ( 12 ) is located at center of the base.
  • Periphery of the passive frame ( 20 ) is slightly bigger than base ( 10 ), and a frame rod ( 21 ) has a restriction rod ( 211 ) corresponding to the rail rod ( 111 ) of the base ( 10 ), and a mattress ( 22 ) is disposed on top of the passive frame ( 20 ).
  • the connecting frame ( 30 ) has two corresponding connecting rods ( 31 ), each of which has a second connecting rod ( 311 ) at its end to form an H-shaped rod body.
  • One end of the second connecting rod ( 311 ) connects with the periphery of the passive frame ( 20 ), and the other end pivotally connects with the base ( 10 ) with a conjugating rod ( 32 ), so that two connecting rods ( 31 ) of the connecting frame ( 30 ) are disposed and connected between the base ( 10 ) and the passive frame ( 20 ).
  • a driving rod ( 33 ) is disposed between two connecting rods ( 31 ), so the connecting rods ( 31 ) at least have two corresponding pivotal connecting portions ( 312 ) for the driving rods ( 33 ) and the two connecting rods ( 31 ) of the passive frame ( 30 ) can be driven simultaneously through the driving rod ( 33 ).
  • the passive frame ( 20 ) covers outside the base ( 10 ) from top to bottom, and the restriction rod ( 211 ) of the frame rod ( 21 ) engages with the rail rod ( 111 ) of the supporting rod ( 11 ). Furthermore, the lifting element ( 12 ) connects with the passive frame ( 20 ), so that the passive frame ( 20 ) can move up and down on the base ( 10 ) through the lifting element ( 12 ), and can move linearly through the restriction rod ( 211 ) along the rail rod ( 111 ).
  • the connecting frame ( 30 ) is disposed between the base ( 10 ) and the passive frame ( 20 ), wherein the connecting frame ( 30 ) has two corresponding connecting rods ( 31 ) disposed at both sides of the base ( 10 ) and the passive frame ( 20 ), and one end of the second connecting rod ( 311 ) of the connecting frame ( 30 ) pivotally connects with the passive frame ( 20 ).
  • the other end of the second connecting rod ( 311 ) has the conjugating rod ( 32 ) to connect with the base ( 10 ), so that two connecting rods ( 31 ) of the connecting frame ( 30 ) can be disposed and connected between the base ( 10 ) and the passive frame ( 20 ).
  • the pivotal connecting portions ( 312 ) provides two driving rods ( 33 ) to pivotally connect two connecting rods ( 31 ) to obtain the structure of the bedstead with adjustable height.
  • the passive frame ( 20 ) covers outside the base ( 10 ) from top to bottom, and the restriction rod ( 211 ) of the frame rod ( 21 ) engages with the rail rod ( 111 ) of the supporting rod ( 11 ).
  • the base ( 10 ) connects with the passive frame ( 20 ) through the lifting element ( 12 ), so that when the user wants to adjust the height of the passive frame ( 20 ), the lifting element ( 12 ) can be triggered to drive the passive frame ( 20 ) to move up and down.
  • the passive frame ( 20 ) moves linearly through the restriction rod ( 211 ) along the rail rod ( 111 ) to increase the preciseness of the adjustment.
  • the connecting frame ( 30 ) is disposed between the base ( 10 ) and the passive frame ( 20 ), wherein the connecting frame ( 30 ) has two corresponding connecting rods ( 31 ) and driving rods ( 33 ) to form a supporting frame, and the second connecting rod ( 311 ) and the conjugating rod ( 32 ) are connected between the base ( 10 ) and the passive frame ( 20 ), so when the passive frame ( 20 ) is adjusted through the lifting element ( 12 ), the connecting frame ( 30 ) can be simultaneously driven through the second connecting rod ( 311 ) and the conjugating rod ( 32 ).
  • the passive frame ( 20 ) and the base ( 10 ) are balanced with each other through the connecting frame ( 30 ) to increase the strength between the passive frame ( 20 ) and the base ( 10 ) and evenly distribute the pressure on the surface of the passive frame ( 20 ) to prevent unsmooth adjustment of the passive frame ( 20 ) due to single-sided pressure.
  • the present invention is advantageous because (i) the base ( 10 ) connects with the passive frame ( 20 ) through the lifting element ( 12 ), so that the height of the passive frame ( 20 ) can be adjusted through the lifting element ( 12 ).
  • the passive frame ( 20 ) moves linearly through the restriction rod ( 211 ) along the rail rod ( 111 ) to increase the preciseness and stableness of the movement of the lifting element ( 12 ); and (ii) the connecting frame ( 30 ) is disposed between the base ( 10 ) and the passive frame ( 20 ), wherein the connecting frame ( 30 ) has two corresponding connecting rods ( 31 ) and driving rods ( 33 ) to form a supporting frame, so the passive frame ( 20 ) and the base ( 10 ) are balanced with each other through the connecting frame ( 30 ) to increase the strength between the passive frame ( 20 ) and the base ( 10 ) and evenly distribute the pressure on the surface of the passive frame ( 20 ) to prevent unsmooth adjustment of the passive frame ( 20 ) due to single-sided pressure.

Abstract

A bedstead with adjustable height has a base, a passive frame and a connecting frame. The base connects with the passive frame through the lifting element, so that the height of the passive frame can be adjusted through the lifting element. Also, the passive frame moves linearly through the restriction rod along the rail rod to increase the preciseness and stableness of the movement of the lifting element. The connecting frame is disposed between the base and the passive frame, wherein the connecting frame has two corresponding connecting rods and driving rods to form a supporting frame, so the passive frame and the base are balanced with each other through the connecting frame to increase the strength between the passive frame and the base and evenly distribute the pressure on the surface of the passive frame to prevent unsmooth adjustment of the passive frame due to single-sided pressure.

Description

    FIELD OF THE INVENTION
  • The present invention relates to a bedstead, and more particularly to a bedstead with adjustable height.
    • BACKGROUND OF THE INVENTION
  • Conventional bedsteads such as those for medical usages have a connecting rod and a supporting rod to form a frame base, and a mattress is disposed thereabove to form a bedstead structure, so the height of the conventional bedstead structure is restricted and cannot be adjusted. This is actually a drawback that adversely affects the practicability of the bedstead. Thus, there remains a need for a new and improved bedstead with adjustable height to overcome the problem stated above.
    • SUMMARY OF THE INVENTION
  • The technical problem the present invention wants to solve is that conventional bedsteads such as those for medical usages have a connecting rod and a supporting rod to form a frame base, and a mattress is disposed thereabove to form a bedstead structure, so the height of the conventional bedstead structure is restricted and cannot be adjusted. This is actually a drawback that adversely affects the practicability of the bedstead.
  • The present invention provides a bedstead with adjustable height includes a base, a passive frame and a connecting frame. A plurality of supporting rods extending upwards are disposed at periphery of the base, and outer portion of each supporting rod has a rail rod, and a lifting element is located at center of the base. Periphery of the passive frame is slightly bigger than base, and a frame rod has a restriction rod corresponding to the rail rod of the base, and a mattress is disposed on top of the passive frame. The connecting frame has two corresponding connecting rods, each of which has a second connecting rod at its end to form an H-shaped rod body. One end of the second connecting rod connects with the periphery of the passive frame, and the other end pivotally connects with the base with a conjugating rod, so that two connecting rods of the connecting frame are disposed and connected between the base and the passive frame. Furthermore, a driving rod is disposed between two connecting rods, so the connecting rods at least have two corresponding pivotal connecting portions for the driving rods and the two connecting rods of the passive frame can be driven simultaneously through the driving rod.
  • Comparing with the prior arts, the present invention is advantageous because (i) the base connects with the passive frame through the lifting element, so that the height of the passive frame can be adjusted through the lifting element. Also, the passive frame moves linearly through the restriction rod along the rail rod to increase the preciseness and stableness of the movement of the lifting element; and (ii) the connecting frame is disposed between the base and the passive frame, wherein the connecting frame has two corresponding connecting rods and driving rods to form a supporting frame, so the passive frame and the base are balanced with each other through the connecting frame to increase the strength between the passive frame and the base and evenly distribute the pressure on the surface of the passive frame to prevent unsmooth adjustment of the passive frame due to single-sided pressure.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 illustrates a three-dimensional view of the present invention.
  • FIG. 2 illustrates an exploded view of the present invention.
  • FIG. 3 illustrates a partial enlarged schematic view of the present invention.
  • FIG. 4 illustrates a schematic view of the bedstead in the present invention that has not been adjusted.
  • FIG. 5 illustrates a schematic view of the bedstead in the present invention that has been adjusted.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • The detailed description set forth below is intended as a description of the presently exemplary device provided in accordance with aspects of the present invention and is not intended to represent the only forms in which the present invention may be prepared or utilized. It is to be understood, rather, that the same or equivalent functions and components may be accomplished by different embodiments that are also intended to be encompassed within the spirit and scope of the invention.
  • Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood to one of ordinary skill in the art to which this invention belongs. Although any methods, devices and materials similar or equivalent to those described can be used in the practice or testing of the invention, the exemplary methods, devices and materials are now described.
  • All publications mentioned are incorporated by reference for the purpose of describing and disclosing, for example, the designs and methodologies that are described in the publications that might be used in connection with the presently described invention. The publications listed or discussed above, below and throughout the text are provided solely for their disclosure prior to the filing date of the present application. Nothing herein is to be construed as an admission that the inventors are not entitled to antedate such disclosure by virtue of prior invention.
  • In order to further understand the goal, characteristics and effect of the present invention, a number of embodiments along with the drawings are illustrated as following:
  • Referring to FIGS. 1 and 2, a bedstead with adjustable height includes a base (10), a passive frame (20) and a connecting frame (30). A plurality of supporting rods (11) extending upwards is disposed at periphery of the base (10), and outer portion of each supporting rod (11) has a rail rod (111), and a lifting element (12) is located at center of the base. Periphery of the passive frame (20) is slightly bigger than base (10), and a frame rod (21) has a restriction rod (211) corresponding to the rail rod (111) of the base (10), and a mattress (22) is disposed on top of the passive frame (20). The connecting frame (30) has two corresponding connecting rods (31), each of which has a second connecting rod (311) at its end to form an H-shaped rod body. One end of the second connecting rod (311) connects with the periphery of the passive frame (20), and the other end pivotally connects with the base (10) with a conjugating rod (32), so that two connecting rods (31) of the connecting frame (30) are disposed and connected between the base (10) and the passive frame (20). Furthermore, a driving rod (33) is disposed between two connecting rods (31), so the connecting rods (31) at least have two corresponding pivotal connecting portions (312) for the driving rods (33) and the two connecting rods (31) of the passive frame (30) can be driven simultaneously through the driving rod (33).
  • Referring to FIGS. 2 and 3 for the structure of the present invention, the passive frame (20) covers outside the base (10) from top to bottom, and the restriction rod (211) of the frame rod (21) engages with the rail rod (111) of the supporting rod (11). Furthermore, the lifting element (12) connects with the passive frame (20), so that the passive frame (20) can move up and down on the base (10) through the lifting element (12), and can move linearly through the restriction rod (211) along the rail rod (111). The connecting frame (30) is disposed between the base (10) and the passive frame (20), wherein the connecting frame (30) has two corresponding connecting rods (31) disposed at both sides of the base (10) and the passive frame (20), and one end of the second connecting rod (311) of the connecting frame (30) pivotally connects with the passive frame (20). The other end of the second connecting rod (311) has the conjugating rod (32) to connect with the base (10), so that two connecting rods (31) of the connecting frame (30) can be disposed and connected between the base (10) and the passive frame (20). Furthermore, the pivotal connecting portions (312) provides two driving rods (33) to pivotally connect two connecting rods (31) to obtain the structure of the bedstead with adjustable height.
  • Referring to FIGS. 4 and 5 for practical use of the present invention, the passive frame (20) covers outside the base (10) from top to bottom, and the restriction rod (211) of the frame rod (21) engages with the rail rod (111) of the supporting rod (11). Also, the base (10) connects with the passive frame (20) through the lifting element (12), so that when the user wants to adjust the height of the passive frame (20), the lifting element (12) can be triggered to drive the passive frame (20) to move up and down. Also, the passive frame (20) moves linearly through the restriction rod (211) along the rail rod (111) to increase the preciseness of the adjustment. Furthermore, the connecting frame (30) is disposed between the base (10) and the passive frame (20), wherein the connecting frame (30) has two corresponding connecting rods (31) and driving rods (33) to form a supporting frame, and the second connecting rod (311) and the conjugating rod (32) are connected between the base (10) and the passive frame (20), so when the passive frame (20) is adjusted through the lifting element (12), the connecting frame (30) can be simultaneously driven through the second connecting rod (311) and the conjugating rod (32). Also, the passive frame (20) and the base (10) are balanced with each other through the connecting frame (30) to increase the strength between the passive frame (20) and the base (10) and evenly distribute the pressure on the surface of the passive frame (20) to prevent unsmooth adjustment of the passive frame (20) due to single-sided pressure.
  • According to the embodiments described above, the present invention is advantageous because (i) the base (10) connects with the passive frame (20) through the lifting element (12), so that the height of the passive frame (20) can be adjusted through the lifting element (12). Also, the passive frame (20) moves linearly through the restriction rod (211) along the rail rod (111) to increase the preciseness and stableness of the movement of the lifting element (12); and (ii) the connecting frame (30) is disposed between the base (10) and the passive frame (20), wherein the connecting frame (30) has two corresponding connecting rods (31) and driving rods (33) to form a supporting frame, so the passive frame (20) and the base (10) are balanced with each other through the connecting frame (30) to increase the strength between the passive frame (20) and the base (10) and evenly distribute the pressure on the surface of the passive frame (20) to prevent unsmooth adjustment of the passive frame (20) due to single-sided pressure.
  • Having described the invention by the description and illustrations above, it should be understood that these are exemplary of the invention and are not to be considered as limiting. Accordingly, the invention is not to be considered as limited by the foregoing description, but includes any equivalents.

Claims (2)

What is claimed is:
1. A bedstead with adjustable height comprising:
a base having a plurality of supporting rod extending upwards is disposed at periphery thereof, outer portion of each supporting rod having a rail rod, and a lifting element located at center of the base;
a passive frame, periphery thereof is slightly larger than the base, a frame rod having a restriction rod corresponding to the rail rod of the base, and a mattress disposed on top of the passive frame; and
a connecting frame having two corresponding connecting rods, each of which having a second connecting rod at its end to form an H-shaped rod body, wherein one end of the second connecting rod connects with the periphery of the passive frame, and the other end pivotally connects with the base with a conjugating rod, so that two connecting rods of the connecting frame are disposed and connected between the base and the passive frame, wherein a driving rod is disposed between two connecting rods, and said two connecting rods of the passive frame are driven simultaneously through the driving rod.
2. The bedstead with adjustable height of claim 1, wherein said two connecting rods have at least two pivotal connecting portions to pivotally connect with second connecting rods.
US13/913,515 2013-06-10 2013-06-10 Bedstead with adjustable height Abandoned US20140359937A1 (en)

Priority Applications (1)

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US13/913,515 US20140359937A1 (en) 2013-06-10 2013-06-10 Bedstead with adjustable height

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US13/913,515 US20140359937A1 (en) 2013-06-10 2013-06-10 Bedstead with adjustable height

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140331468A1 (en) * 2010-05-10 2014-11-13 Drive Medical Design & Mfg. Universal bed system
US20150067964A1 (en) * 2013-09-10 2015-03-12 Jiaxing Shufude Electric Bed Co., Ltd Ejector mechanism for electric bed
US20180344551A1 (en) * 2017-06-01 2018-12-06 Apex Health Care Mfg. Inc. Motorized Bed with Improved Lifting Device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365622A (en) * 1992-07-24 1994-11-22 Schirmer Michael H Hydraulically operated retractable ambulance cot
US20040055087A1 (en) * 2002-07-19 2004-03-25 Basic American Medical Products, Inc. Height and angle adjustable bed
US20100064441A1 (en) * 2007-03-16 2010-03-18 Hans-Peter Barthelt Hospital bed with electric emergency lowering device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365622A (en) * 1992-07-24 1994-11-22 Schirmer Michael H Hydraulically operated retractable ambulance cot
US20040055087A1 (en) * 2002-07-19 2004-03-25 Basic American Medical Products, Inc. Height and angle adjustable bed
US20100064441A1 (en) * 2007-03-16 2010-03-18 Hans-Peter Barthelt Hospital bed with electric emergency lowering device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140331468A1 (en) * 2010-05-10 2014-11-13 Drive Medical Design & Mfg. Universal bed system
US9084493B2 (en) * 2010-05-10 2015-07-21 Drive Medical Design & Mfg. Universal bed system
US20150067964A1 (en) * 2013-09-10 2015-03-12 Jiaxing Shufude Electric Bed Co., Ltd Ejector mechanism for electric bed
US9271577B2 (en) * 2013-09-10 2016-03-01 Jianchun Xu Ejector mechanism for electric bed
US20180344551A1 (en) * 2017-06-01 2018-12-06 Apex Health Care Mfg. Inc. Motorized Bed with Improved Lifting Device

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