US2833587A - Adjustable height gurney - Google Patents

Adjustable height gurney Download PDF

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Publication number
US2833587A
US2833587A US58432456A US2833587A US 2833587 A US2833587 A US 2833587A US 58432456 A US58432456 A US 58432456A US 2833587 A US2833587 A US 2833587A
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Prior art keywords
ends
stretcher
frame
gurney
side beams
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Expired - Lifetime
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Saunders Harry Baird
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Saunders Harry Baird
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT OR ACCOMODATION FOR PATIENTS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013Lifting of patients by
    • A61G7/1019Vertical extending columns or mechanisms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT OR ACCOMODATION FOR PATIENTS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/104Devices carried or supported by
    • A61G7/1046Mobile bases, e.g. having wheels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT OR ACCOMODATION FOR PATIENTS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049Attachment, suspending or supporting means for patients
    • A61G7/1057Supported platforms, frames or sheets for patient in lying position

Description

May 6, 1958 H. B. sAUNDERs 2,833,587

ADJUSTABLE HEIGHT GURNEY Enea May 11, 1956 HTTPS.

United States Patent O 2,833,587 ADJUSTABLE HEIGHT GURNEY HarryV Baird Saunders, Woodland, Calif.

Application May 1'1, 1956, Serial'No. `584,324 1y Claim'. (Cl. 296''20)` This invention relates in general to an improved wheeled or mobile stretcher, commonly known as a gurney, which is used for supporting and' transferring an ill or injured person-in a recumbent position-from point to point.

The major object of this invention is to provide a stretcher which is readily adjustable in heigltg, there being a top or mattress supporting frame ofI the stretcher movable betweenv a lowered position relatively close to the tloor or ground, anda raised position at substantially the height of a hospital bed oroperatingtable. When in the lowered position, the stretcher can be conveniently carried in an ambulance :forv use in much the same manner as a conventionalstretcher, andyet at the hospital the stretcher can be adjusted to raise the person thereon to a level'of the hospital bed or operatingtable.

Another important object of the inventionis to prof vide a stretcher, as above', which' includes a novel adjustable mounting structure" between the top or mattressframe and a wheeledl bottom or cam'er frame;such mounting structure incorporatinga lever assembly which effectively supports such top frame for up vor down motion, while maintaining the same horizontal at all times. v

Anadditional object of the invention 4is to provide Ia` stretcher, as in* the preceding paragraph, which includes novel power mechanism' for accomplishing such vertical adjustment of the top frame relative to the bottom frame; such mechanism normally holdingsaid top frame in its selected position of adjustment.`

It is also an`objectof the. invention to provide an adjustable heightlstretcher which isA designed for' ease and simplicity of manufacture and convenience of'us'e.

Still another object of the invention is to provide a practical, reliable, and durable fadjustableheight' gurney, and onewhich will be exceedingly effective for the purpose for which it is designed.

These objects are accomplished by means of such stru-cture and relative arrangement of parts as will fully appear by a perusal of the following specification and claim.

In the drawings:

Fig. 1 is a side elevation, partly broken away and partly in section, of the stretcher; the top or mattress supporting frame being shown in full lines in a raised position and in dotted lines in a lowered position.

Fig. 2 is Ia plan view of the stretcher partly broken away and partly in section.

Fig. 3 is an enlarged fragmentary sectional elevation taken on line 3-3 of Fig. 2.

Referring now more particularly to the drawings, and to the characters of reference marked thereon, the

2,833,587A Patented Matyu 6, 1958 o lCC 2. spaced side beams 3, each formed with a drop-center section, as shown, and said side beams 3 being` of in-` wardly opening, channel form incross section. The side beams 3 are rigidly/,connected at the ends by lower cross beams, the forward one of which is indicated atk 4, which cross beams are arcuate in a longitudinally inward direction in order to provide for full clearance for the' person walking at the endy of-and manipulating-the stretcher.

BeyondA theV drop-center section 3-i; e. at the ends thereof-each of the side `beams 3 is fitted withv and supported by a caster wheel unit 5. Y

Thetop frame 2 includes side beams 6V of inwardly opening,fchannel form in section, and whichside -b'eams are connected at the ends by cross beams 7; such top frame being provided with a cover plate 8- on which a pad or mattress 9 lis disposed to support the Vperson carried by the stretcher.

The following adjustable mounting structure connects the top frame 2 with the bottom frame 1 in supported but vertically adjustable relation:

At eaclifside of the gurney there is-a' pair of. intersect.- ing lever arms 10 and 11 disposed in a longitudinal verticalv plane; `such leverarms being relatively elongated with the point of intersectionv substantially centrallyof their ends, and at said point the lever arms 10 -andr11 of each pair are transverselyv pivoted together,'asatv12; ln order to stabilize thev intersecting and pivoted-together lever arms 10 and 11 against lateralwobbling, saidV` arms are tted on adjacent faces with intersecting stabilizer plates 13 which engage in face to face relation.

The pivots 12 of the pairs of lever arms 10- -and'l11 are alined transversely of the stretcher, and-at one end of the mounting structure-the'upper and' lower'ends-Iof the lever arms of each pair are pivoted by bolts 14to blocks 15 fixedv to the adjacent side beams 6- andv 3of the respective frame. At the other end of the mounting structure, the upper ends of the lever arms A1l), which lie inwardly of correspondinglever arms 11, arevv con`= nected by la cross shaft 16 which projects atlthe' ends beyond said arms; the ends of the cross shaft 16'A being bars 19.

adjustable height stretcher comprises a bottom or carrier With thev above describedlmounting, structure-between the bottom frame 1 and the topV frame 2, scissors-like movement lof' such" structure causes'vertical adjustment of said top frame; such movement beingattained through the' luse of the' following power mechanism:

Intermediate the ends thereof the top frame 2 is provided with a cross shaft 20, and a pair of transversely spaced, relatively small-diameter power cylinders 21 are connected at their rear ends by yokes 22 to said cross shaft 2i), thence extending longitudinally-along but inwardly of the side beams 6-in the direction of the cross shaft 16. At their outer ends the power cylinders 21 include projecting piston rods 23, each fitted with a yoke 24 coupled to the cross shaft 16 between the corresponding lever arm 10 and the related roller 17.

i It will be recognized that when the power cylinders 21 are contracted, the mounting structure-comprised of the pairs -of intersecting lever arms 10 and 11-wil1 be verti cally extended, with the top frame 2 in a raised position. With such vertical extension the rollers 17 and 1S travel inwardly in the channels of the related side beams 6 and 3, as shown in full lines in Fig. l.

Conversely, when the power cylinders 21 are extended,

the top frame 2 occupies aA lowered position, as shown in dotted lines in said figure.

The power cylinders 21 are actuated and controlled by a fluid pressure conduit system comprising the following: `A` manual type-hydraulic pump 25V is supported by a bracket B `xed to, anddepending from, one of the side beams 6 adjacent but short: of an end offthe `top frame 2; `such pump including Va `longitudinally extending, pump actuated `lever or handle 26 fitted at the outer end with Aa grip27 which isdisposed below thenear end of the top frame 1".l y t t By engaging the grip 27 and working the handle 26 up and down, the hydraulicpump 25 is actuated, feeding pressure `to the power cylinders 21 andcausing contrae tion thereof and resultant raising of the top frame 2; said cylinders being of `a type which shorten in their effective length uponthe application of uid pressure to their outer ends."`

More specifically, thehydraulic'pump 25 has an intake fitting 28 `connected by a'hose 29` with the bottom of a hydraulic fluid reservoir 30 mounted on the` near end beamt7 inwardlythereof; the output fitting of the pump being indicated at 31.

A T 32 is connected to theioutputitting 31, and conduits i I 33 and `34` lead Afromfsuch 'l' to correspondingones of thevpower cylinders 21 at the outer ends of the latter.;

Intermediate theends thereof the `conduit 33, in a por-` tion' thereof which extends transversely of thetopframe 2, has another T 3S interposed therein, and the lateral leg of such :Teonnects to avalve 36 whose other end returns to-and is 'in communication withthe reservoir 30 at the bottom thereof; saidv valve 36 having a hand lever 37.

`When `the pump 25 is actuated to feed pressure to the otherconduits ss and -39 lead from'the rear ends of the power cylinders` 21 to corresponding ends of the` reservoir 30; `these last named conduits being merely-,for the purpose of bleeding backto thevreservoir any of the hydraulic uid which may bypass thepistonsin the power cylinders 21 and gain access to the'rear portions thereof. l For the purpose offmanual1y towing the stretcher, when desired, a pull rod 40 is provided; such pull rod being fitted at its rear end` with a stop knob 41, and at its forward `endwith a late ral handle 42 The pull rod 40 normally extends through a hole 43 in`one of the lower cross bearnsA centrally of its ends, with the handle 42 adjacent the front o f saidcrossbeamand depending therefrom; the

rod 40 then being supported intermediate its ends by one of the cross bars 19. See Fig. 1.

In use of the pull rod 40 the handle 42 is grasped and said rod is pulled outwardly until the stop knob 41 abuts the back side of the related cross beam 4; the handle then projecting in a stretcher pulling position from one end thereof, and as shown-in part-in dotted lines in said figure. p t

The described stretcherwhile being relatively simple in its structure--is extremely practical and advantageous, particularly with respect to the ability to adjust such stretcher in its effective height, for the purposes hereinbefore recited.

From the foregoing description it will be readily seen that there has been produced such a device as will substantially fulfill the objects of the invention as set forth herein.

While this specification sets forth in detail the present and preferred construction of the device, still in practice suchxdeviationsl -from such detail maybe resorted to `as do not form a departure from the spirit of the invention, as defined by the appended claim. Y j..

Having `thus described therinvention, the. following `is claimed as new and useful,y and upon which Letters Patent are desired:V s

fAn adjustable-height stretcher comprising an elongated wheel-supported bottom frame which includes inwardly facing channel side beams, an elongated mattress-supporting top frame which includes inwardly facing channel side beams, pairs of intersecting lever arms disposed in transversely spaced longitudinal planes, the lever arms of each pair being pivotally connectedrintermediate. their ends, means transversely pivotingthe corresponding upper and lower ends of the lever arms to the corresponding side beams of the top and bottom frames, rollers Aon the other ends of the arms riding in said beams, hydraulic cylinders parallel to and laterally inward of the side beams of the upper frame, and in al longitudinal position between the upper ends of thepairs of arms, means connecting the 4cylinders at one end to` those arms having the rollers on their upper ends, means connecting the cylinders at their other ends to the corresponding side beams of the upper frame, and a manually operated fluid pressure system mounted on the upper frame adjacent one end and connected to the cylinders to supply power thereto.

' References Cited in the file of this patent l UNITED STATES PATENTS

US2833587A 1956-05-11 1956-05-11 Adjustable height gurney Expired - Lifetime US2833587A (en)

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Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945241A (en) * 1957-04-26 1960-07-19 Sideroff Jerome Convertible bed
US2958873A (en) * 1959-02-11 1960-11-08 Richard H Ferneau Multiple position elevating cot
US3052707A (en) * 1959-05-18 1962-09-04 Rohm & Haas Fungicidally active sulfites
US3105673A (en) * 1961-05-17 1963-10-01 Clark Equipment Co Trailer with elevatable bed
US3302971A (en) * 1964-06-17 1967-02-07 E Quetin Ets Dental chairs
US3760436A (en) * 1971-11-05 1973-09-25 Universal Oil Prod Co Suspension system for vehicle mounted bed
US4097941A (en) * 1977-05-17 1978-07-04 Merkel Jerome L Emergency cot with spring-biased retractable wheel carriage
US4288195A (en) * 1979-06-07 1981-09-08 Southworth, Incorporated Roll-away wheel truck and lift table assembly
US4317489A (en) * 1978-11-27 1982-03-02 Deere & Company Ground-working implement and lift linkage therefor
US4860394A (en) * 1986-11-18 1989-08-29 Societe Sofratemed S.A. Hospital bed or hospital table
US5022105A (en) * 1989-08-04 1991-06-11 Michael Catoe Mobile lift-assisted patient transport device for field use
US5135350A (en) * 1987-07-27 1992-08-04 Eelman Albert H Method for transporting a patient from an ambulance
US5397209A (en) * 1991-02-09 1995-03-14 Heim; Otmar Workpiece-transport trolley
US5435027A (en) * 1993-08-09 1995-07-25 Ferno-Washington, Inc. Roll-in cot with high ground clearance
US5495914A (en) * 1993-08-09 1996-03-05 Dimucci; Vito A. Power lifting unit and method for connecting mobile patient transporter
US5697471A (en) * 1993-08-09 1997-12-16 Dimucci; Vito A. Power lifting unit and method for converting mobile patient transporter
WO1998015391A1 (en) * 1996-10-07 1998-04-16 Grimstad Boerge Adjustable maintenance creeper
US5740884A (en) * 1993-08-09 1998-04-21 Dimucci; Vito A. Power lifting unit and method for converting mobile patient transporter
US5983425A (en) * 1997-03-31 1999-11-16 Dimucci; Vito A. Motor engagement/disengagement mechanism for a power-assisted gurney
WO2002094166A2 (en) 2001-05-24 2002-11-28 Tech Lift, Inc. Mobile lift-assisted patient transport device
US20040025795A1 (en) * 1998-06-22 2004-02-12 Miale Theresa M. Animal lift and transport apparatus and method for using the same
US20040088792A1 (en) * 2002-08-30 2004-05-13 O'krangley Jason M. Transportatable medical apparatus
US20040128766A1 (en) * 2002-10-25 2004-07-08 Brian Freeborn Adjustable bed carriage
US20050091747A1 (en) * 2002-10-25 2005-05-05 M.C. Healthcare Products Inc. Adjustable bed carriage
US20050125900A1 (en) * 2003-07-18 2005-06-16 Joseph Bishop Lightweight mobile lift-assisted patient transport device
US20050225107A1 (en) * 2002-10-18 2005-10-13 Mitchell Donald F Bariatric gurney and process
US20060031990A1 (en) * 2004-08-11 2006-02-16 Palmatier Stanley T Patient support apparatus
US20060075558A1 (en) * 2004-09-24 2006-04-13 Lambarth Clifford E Ambulance cot and hydraulic elevating mechanism therefor
US20060265807A1 (en) * 2004-06-14 2006-11-30 Earl Choy Charging system for recharging a battery of an electrohydraulically powered lift ambulance cot with an electrical system of an emergency vehicle
US20080086816A1 (en) * 2006-10-16 2008-04-17 General Electric Company Patient positioning system
US7389552B1 (en) 2007-12-31 2008-06-24 Monster Medic, Inc. Ambulance cot system
US20080229503A1 (en) * 2007-03-21 2008-09-25 Fariborz Bzorgi Portable, space-saving medical patient support system
US20080276372A1 (en) * 2004-09-24 2008-11-13 Stryker Corporation Ambulance cot with retractable head section and control system therefor
US7533429B2 (en) 1999-12-29 2009-05-19 Hill-Rom Services, Inc. Lift system for hospital bed
US20090165208A1 (en) * 2007-12-31 2009-07-02 Monster Medic, Inc. Ambulance cot system
US20090172883A1 (en) * 2004-06-14 2009-07-09 Ferno-Washington, Inc. Electro-hydraulically powered lift ambulance cot
US7610637B2 (en) 1999-12-29 2009-11-03 Hill-Rom Services, Inc. Lift system for hospital bed
US20110030136A1 (en) * 2008-04-08 2011-02-10 Ki Jun Kim Bed provided with a bathtub
US8069511B1 (en) * 2006-08-01 2011-12-06 Dimucci Vito A Powered emergency medical transporter
US20120060291A1 (en) * 2010-09-07 2012-03-15 Dave Gamman Height adjustment mechanism for a massage table
US20120167299A1 (en) * 2011-01-05 2012-07-05 Peter Tarquinio Crib frame with lifting device
US20130227952A1 (en) * 2012-03-05 2013-09-05 The Boeing Company Sandwich structure with shear stiffness between skins and compliance in the thickness direction
US20150000034A1 (en) * 2013-06-25 2015-01-01 Sean International Business Development Co., Ltd. Electrically Elevated Baby Crib
US9603764B2 (en) 2014-02-11 2017-03-28 Medline Industries, Inc. Method and apparatus for a locking caster

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1087878A (en) * 1913-02-04 1914-02-17 Bloomfield Mfg Company Wheeled tray.
US1110838A (en) * 1914-03-27 1914-09-15 Edward Taylor Portable hydraulic stretcher.
US1823526A (en) * 1929-11-25 1931-09-15 O I Hobson Creeper construction
US2429723A (en) * 1944-10-30 1947-10-28 Bearl F Kelley Wheel lifting truck
US2578311A (en) * 1946-01-12 1951-12-11 Lorenz Anton Reclining article of furniture
US2706102A (en) * 1951-06-06 1955-04-12 Anthony L Cresci Lifting mechanism for truck body

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1087878A (en) * 1913-02-04 1914-02-17 Bloomfield Mfg Company Wheeled tray.
US1110838A (en) * 1914-03-27 1914-09-15 Edward Taylor Portable hydraulic stretcher.
US1823526A (en) * 1929-11-25 1931-09-15 O I Hobson Creeper construction
US2429723A (en) * 1944-10-30 1947-10-28 Bearl F Kelley Wheel lifting truck
US2578311A (en) * 1946-01-12 1951-12-11 Lorenz Anton Reclining article of furniture
US2706102A (en) * 1951-06-06 1955-04-12 Anthony L Cresci Lifting mechanism for truck body

Cited By (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945241A (en) * 1957-04-26 1960-07-19 Sideroff Jerome Convertible bed
US2958873A (en) * 1959-02-11 1960-11-08 Richard H Ferneau Multiple position elevating cot
US3052707A (en) * 1959-05-18 1962-09-04 Rohm & Haas Fungicidally active sulfites
US3105673A (en) * 1961-05-17 1963-10-01 Clark Equipment Co Trailer with elevatable bed
US3302971A (en) * 1964-06-17 1967-02-07 E Quetin Ets Dental chairs
US3760436A (en) * 1971-11-05 1973-09-25 Universal Oil Prod Co Suspension system for vehicle mounted bed
US4097941A (en) * 1977-05-17 1978-07-04 Merkel Jerome L Emergency cot with spring-biased retractable wheel carriage
US4317489A (en) * 1978-11-27 1982-03-02 Deere & Company Ground-working implement and lift linkage therefor
US4288195A (en) * 1979-06-07 1981-09-08 Southworth, Incorporated Roll-away wheel truck and lift table assembly
US4860394A (en) * 1986-11-18 1989-08-29 Societe Sofratemed S.A. Hospital bed or hospital table
US5135350A (en) * 1987-07-27 1992-08-04 Eelman Albert H Method for transporting a patient from an ambulance
US5022105A (en) * 1989-08-04 1991-06-11 Michael Catoe Mobile lift-assisted patient transport device for field use
US5397209A (en) * 1991-02-09 1995-03-14 Heim; Otmar Workpiece-transport trolley
US5435027A (en) * 1993-08-09 1995-07-25 Ferno-Washington, Inc. Roll-in cot with high ground clearance
US5495914A (en) * 1993-08-09 1996-03-05 Dimucci; Vito A. Power lifting unit and method for connecting mobile patient transporter
US5697471A (en) * 1993-08-09 1997-12-16 Dimucci; Vito A. Power lifting unit and method for converting mobile patient transporter
US5740884A (en) * 1993-08-09 1998-04-21 Dimucci; Vito A. Power lifting unit and method for converting mobile patient transporter
WO1998015391A1 (en) * 1996-10-07 1998-04-16 Grimstad Boerge Adjustable maintenance creeper
US5983425A (en) * 1997-03-31 1999-11-16 Dimucci; Vito A. Motor engagement/disengagement mechanism for a power-assisted gurney
US20040025795A1 (en) * 1998-06-22 2004-02-12 Miale Theresa M. Animal lift and transport apparatus and method for using the same
US7610637B2 (en) 1999-12-29 2009-11-03 Hill-Rom Services, Inc. Lift system for hospital bed
US7533429B2 (en) 1999-12-29 2009-05-19 Hill-Rom Services, Inc. Lift system for hospital bed
US9009893B2 (en) 1999-12-29 2015-04-21 Hill-Rom Services, Inc. Hospital bed
WO2002094166A2 (en) 2001-05-24 2002-11-28 Tech Lift, Inc. Mobile lift-assisted patient transport device
US6654973B2 (en) * 2001-05-24 2003-12-02 Tech Lift, Inc. Mobile lift-assisted patient transport device
WO2002094166A3 (en) * 2001-05-24 2003-05-30 Tech Lift Inc Mobile lift-assisted patient transport device
US6976696B2 (en) 2002-08-30 2005-12-20 Neomedtek Transportable medical apparatus
US20040088792A1 (en) * 2002-08-30 2004-05-13 O'krangley Jason M. Transportatable medical apparatus
US7111340B2 (en) * 2002-10-18 2006-09-26 Godby Enterprises, Llc Bariatric gurney and process
US20050225107A1 (en) * 2002-10-18 2005-10-13 Mitchell Donald F Bariatric gurney and process
US6941600B2 (en) * 2002-10-25 2005-09-13 M.C. Healthcare Products Inc. Adjustable bed carriage
US20050091747A1 (en) * 2002-10-25 2005-05-05 M.C. Healthcare Products Inc. Adjustable bed carriage
US7134155B2 (en) * 2002-10-25 2006-11-14 M.C. Healthcare Products Inc. Adjustable bed carriage
US20040128766A1 (en) * 2002-10-25 2004-07-08 Brian Freeborn Adjustable bed carriage
US20050125900A1 (en) * 2003-07-18 2005-06-16 Joseph Bishop Lightweight mobile lift-assisted patient transport device
US7140055B2 (en) * 2003-07-18 2006-11-28 Joseph Bishop Lightweight mobile lift-assisted patient transport device
US20060265807A1 (en) * 2004-06-14 2006-11-30 Earl Choy Charging system for recharging a battery of an electrohydraulically powered lift ambulance cot with an electrical system of an emergency vehicle
US7996939B2 (en) 2004-06-14 2011-08-16 Ferno-Washington, Inc. Electro-hydraulically powered lift ambulance cot
US7521891B2 (en) 2004-06-14 2009-04-21 Fernon-Washington, Inc. Charging system for recharging a battery of powered lift ambulance cot with an electrical system of an emergency vehicle
US20090172883A1 (en) * 2004-06-14 2009-07-09 Ferno-Washington, Inc. Electro-hydraulically powered lift ambulance cot
US20060031990A1 (en) * 2004-08-11 2006-02-16 Palmatier Stanley T Patient support apparatus
US7124456B2 (en) * 2004-08-11 2006-10-24 Stryker Corporation Articulated support surface for a stretcher or gurney
US20060075558A1 (en) * 2004-09-24 2006-04-13 Lambarth Clifford E Ambulance cot and hydraulic elevating mechanism therefor
US8056950B2 (en) 2004-09-24 2011-11-15 Stryker Corporation In-ambulance cot shut-off device
US20080211248A1 (en) * 2004-09-24 2008-09-04 Stryker Corporation Ambulance cot with pinch safety feature
US7540047B2 (en) 2004-09-24 2009-06-02 Stryker Corporation Ambulance cot with pinch safety feature
US20080276372A1 (en) * 2004-09-24 2008-11-13 Stryker Corporation Ambulance cot with retractable head section and control system therefor
US7398571B2 (en) 2004-09-24 2008-07-15 Stryker Corporation Ambulance cot and hydraulic elevating mechanism therefor
USRE44884E1 (en) 2004-09-24 2014-05-13 Stryker Corporation Ambulance cot with pinch safety feature
US7725968B2 (en) 2004-09-24 2010-06-01 Stryker Corporation Ambulance cot with retractable head section and control system therefor
US20100176618A1 (en) * 2004-09-24 2010-07-15 Stryker Corporation In-ambulance cot shut-off device
US8069511B1 (en) * 2006-08-01 2011-12-06 Dimucci Vito A Powered emergency medical transporter
US20080086816A1 (en) * 2006-10-16 2008-04-17 General Electric Company Patient positioning system
US7877828B2 (en) * 2007-03-21 2011-02-01 Babcock & Wilcox Technical Services Y-12, Llc Portable, space-saving medical patient support system
US20080229503A1 (en) * 2007-03-21 2008-09-25 Fariborz Bzorgi Portable, space-saving medical patient support system
US7389552B1 (en) 2007-12-31 2008-06-24 Monster Medic, Inc. Ambulance cot system
US20090165208A1 (en) * 2007-12-31 2009-07-02 Monster Medic, Inc. Ambulance cot system
US8051513B2 (en) 2007-12-31 2011-11-08 Monster Medic, Inc. Ambulance cot system
US20110030136A1 (en) * 2008-04-08 2011-02-10 Ki Jun Kim Bed provided with a bathtub
US20120060291A1 (en) * 2010-09-07 2012-03-15 Dave Gamman Height adjustment mechanism for a massage table
US9072645B2 (en) * 2010-09-07 2015-07-07 Earthlite Massage Tables, Inc. Height adjustment mechanism for a massage table
US20120167299A1 (en) * 2011-01-05 2012-07-05 Peter Tarquinio Crib frame with lifting device
US20130227952A1 (en) * 2012-03-05 2013-09-05 The Boeing Company Sandwich structure with shear stiffness between skins and compliance in the thickness direction
US9555871B2 (en) * 2012-03-05 2017-01-31 The Boeing Company Two-surface sandwich structure for accommodating in-plane expansion of one of the surfaces relative to the opposing surface
US20150000034A1 (en) * 2013-06-25 2015-01-01 Sean International Business Development Co., Ltd. Electrically Elevated Baby Crib
US9993378B2 (en) 2014-02-11 2018-06-12 Medline Industries, Inc. Method and apparatus for a locking caster
US9603764B2 (en) 2014-02-11 2017-03-28 Medline Industries, Inc. Method and apparatus for a locking caster

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