US3253285A - Bed lounge mechanism - Google Patents

Bed lounge mechanism Download PDF

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Publication number
US3253285A
US3253285A US423230A US42323065A US3253285A US 3253285 A US3253285 A US 3253285A US 423230 A US423230 A US 423230A US 42323065 A US42323065 A US 42323065A US 3253285 A US3253285 A US 3253285A
Authority
US
United States
Prior art keywords
bed
section
sections
arm
lever
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.)
Expired - Lifetime
Application number
US423230A
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English (en)
Inventor
Fox Martin
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.)
Seng Co
Original Assignee
Seng Co
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 Seng Co filed Critical Seng Co
Priority to US423230A priority Critical patent/US3253285A/en
Priority to CH1815865A priority patent/CH439625A/fr
Priority to FR8500A priority patent/FR1469152A/fr
Priority to BE674666D priority patent/BE674666A/xx
Priority to GB55486/65A priority patent/GB1104319A/en
Priority to NL6517245A priority patent/NL6517245A/xx
Priority to AT5766A priority patent/AT254443B/de
Application granted granted Critical
Publication of US3253285A publication Critical patent/US3253285A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously

Definitions

  • Another object of the invention is to provide suc-h a mechanism in which a simple, manual friction lock is provided for fixing the pivotally connected bed sections in any position between bed position and lounge position.
  • Yet another object of the invention is to provide a convertible furniture mechanism in which the bed sections are positively locked in their coplanar bed position, and in which the positive lock is automatically released by movement of a friction brake operating lever.
  • Yet another object of the invention is to provide a oonvertible bed lounge in which the pivotally connected bed sections are so mounted in a base frame that they are ⁇ normally moved from coplanar bed position to lounge position by the normal distribution of weight of a person reclining upon the bed lounge with his head near the head bar of the bed.
  • Still another object of the invention is to provide a convertible bed lounge having a friction vlock mechanism which is very compact and entirely concealed behind the,
  • Yet another object of the invention is to provide al convertible lounge having a friction lounge mechanism which is readily adjusted to compensate for wear in the frictional parts.
  • a further object of the invention is to provide a convertible bed lounge mechanism in which the entire pivoted bed structure and brake structure are carried upon two mounting plates which need only to be fastened to the inner surfaces of the side rails of a base frame.
  • FIG. 1 is a longitudinal sectional view of a structure embodying the invention with the bed sections in their coplanar bed positions, taken substantially along t-he line 1--1 of FIG. 2;
  • FIG. 2 is a plan view of the structure in the bed position
  • FIG. 3 is a longitudinal sectional view taken substantially along the line 2-2 of FIG. 3;
  • FIG. 5 is a fragmentary section on an enlarged scale taken substantially as illustrated along the line 5 5 of FIG. 2, and illustrates the friction lock mechanism in the position which it occupies when the bed sections are in their coplanar bed positions;
  • FIG. 6 is a fragmentary section on an enlarged scale taken substantially as illustrated along the line 6-6 of FIG. 4, and shows the friction locking mechanism with its parts in the positions they occupy when the bed sections are in lounge positions;
  • FIG. 7 is a fragmentary plan view on an enlarged scale illustrating the friction lock mechanism in vits released position
  • FIG. 8 is a fragmentary section on an enlarged scale taken substantially as illustrated along the line 8 8 of FIG. 5;
  • FIG. 9 is a fragmentary section taken substantially as illustrated along the line 9 9 of FIG. 5;
  • FIG. 10 is a fragmentary section on an enlarged scale taken substantially as illustrated along the line 10-10 of FIG. 2.
  • the present bed lounge mechanism includes a simple rectangular base frame, indicated generally at 20, which has side rails 21 and 22, a head rail 23, a foot rail 24, and supporting legs 25.
  • Cross-members 26 connect the side rails above the legs.
  • the bed lounge mechanism 27 includes a pair of mounting plates 28 and 29 which are secured, respectively to the inner faces of the base frame side rails 21 and 22, an articulated bed structure, indicated generally at 30, a frictional lock mechanism indicated generally at 31, which is best seen in FIGS. 5 to 9, and an auxiliary plunger lock, indicated generally at 32 (seeFIG. l0), together with a plunger release mechanism, indicated generally at 32a which is best seen in FIGS. 6 and 9.
  • the articulated bed mechanism 30 inclu-des a back section indicated generally at 33, an intermediate-section indicated generally at 34, a seat section indicated generally at 35, and a leg section indicated generally at 36.
  • the head section includes a transverse head bar 37 which is parallel to the head rail 23, side bars 38 and 39 lwhich are connected to opposite endsof'the head bar 37 and are parallel tothe mounting plates 28l and 29, and a drop center cross-bar 40.
  • the intermediate section 34 includes only a side bar 41 which is connected by a pivot 42 to the end portion of the back section side bar 38 that is remote from the head bar 37, andy a second intermediate side bar 43 which is identical to the bar 41 and connected to the back section side bar 3.9 by a Vpivot 44.
  • the seat section includes side bars 45 and .46 which are cross connected by drop center crossbars 47 and 48, and pivots 49 and 50 connect the seat section side bars 45 and 46, respectively, with the intermediate section side bars 41 and 43.
  • the leg section 36 consists of Vsidebars 51 and 52 which are pivotally connected at 53 and 54 to the seat section sidev bars 45 and 46, respectively, and which are connected by a transverse foot bar 55 that is parallel to the base frame foot rail 24.
  • the articulated bed structure 30 is completed by a conventional wire mesh mattress supporting spring, indicated generally at 56 in FIGS-2 and 4; and a foam rubber mattress or pad P, shown in broken lines in FIGS. l and 3, is carried loosely upon the wire mesh spring fabric 56.l
  • Parallel to the links 61 and 62 for the seat section are links 67 'and 68 which are pivotally connected, respectively, to the leg section side bars 51 and 52 by pivots 69 and 70, and to the mounting plates 28 and 29 lby pivots 7-1 and 72.
  • the -back section pivots l'59 and 60 are so positioned with respect to the head bar 37 and the seat section 35 that, when a person is reclining upon the articulated bed structure in a normal position with his head near the head bar l37, the distribution of the persons body weight, and praticular'ly the concentration of. body weight upon the Alower torso, automatically causes the articulated bed sections to assume the lounge position of FIGS. 3 and 4.
  • the intermediate section 34 remains substantially horizontal and is atan obtuse angle with respect to the back section 33, while the seat section 35 and leg section 36 are caused to swing upwardly and toward the head rail 23 upon their respective links ⁇ 61-62 and 67-68 so that the seat section 35 forms an obtuse angle with respect to the intermediate section 34, and the seat section and the le-g section 36 form an obtuse angle with respect to each other.
  • the seat supporting links 61 and 62 bear against stop studs 73 and 74, respectively, which limit the swinging movement of the parallel links as the articulated sections move toward lounge position.
  • the articulated 'bed sections may be retained in their coplanar bed position iby means of the friction lock mechanism 3:1 which also may be used to lock the bed sections in any position between the coplanar bed position and the lounge position illustrated in FIG. 3. IReferring first to FIGS.
  • the lock mechanism has a large headed stud 75 which extends through a hole in the mounting plate 28 and has its head 76 extending into a recess in the side rail 21.
  • An adjusting disc 77 is formed integrally with the stud 75 and is positioned in rface abutting relationship with the mounting plate 28.
  • a plurality of screw holes 78 are arranged in a circle around the adjusting disc 77 so that any two of the holes may be aligned with a pair of holes in the mounting plate to receive wood screws 79 which 'are screwed into the side rail 21 to anchor the disc 77 and thus the stud 75.
  • the stud 75 is provided with a thread 80.
  • a locking lever 81 has a boss 82 provided with a screw thread 83 by means of which the lever is sc-rewed onto the thread 80 of the stud 75 so that the interengaging threads 80 and 83 provide cam means for moving the lever 81 ltoward or away from the mounting plate 28.
  • a sleeve 8'4 welded adjacent the outer end of the lever 81 slidably receives an operating arm 8S for the lever so that the outer extremity of the arm 8'5 need not project above the base frame side rail 21, but may be slid outwardly through the sleeve 84 if a person reclining upon the bed desires to rotate the locking lever 81.
  • a depending mounting bracket 86 at the lower end of which is a pivot 87 for an arm 88 ⁇ that has a slot 89 impaled bythe stud 75.
  • the slotted arm 88 is between the stud adjusting plate 77 and the lever 81, and the outer face of the slotted arm is in face abutting relationship with a lange washer 90 which surrounds the stud 75 beneath the lever 81 so as to provide a friction shoe.
  • the shape of the recess 89a is such that when the friction lock lever y81 is moved counterclockwise to release the clamping pressure upon the slotted arm 88, the stud 74 may move along the upper face of the recess, which acts as a cam face, so as to rock the arm against the bias of the spring 91 and thus release the recess 79a from the pin 75.
  • the auxiliary plunger lock 32 is provided.
  • the head bar 37 of the back section 33 is tubular and is provided with aligned holes 92 and 93 which are half way between lthe side bars 38 and 39.
  • a plunger indicated generally at 94, has a shaft 95 which extends through the hole 93, and an enlarged shoulder portion 96 of the plunger is received in fthe hole 92.
  • a compression spring 97 surrounds the shaft 95 within the tubular head bar 37 and bears upon the enlarged shoulder portion 96 so as to urge .the plunger 94 toward the head rail 23 of the ibase frame.
  • yalatch plate 98 Secured to the inner surface of said hea'd rail 23 is yalatch plate 98 that has a Igenerally horizontal latch surface 99 and a cam face ⁇ 100 Aso that, as the bed structure is moved toward ibed position, ya plunger head '101 may ride over the cam surface 100 to compress the spring 97 and permit the plunger head 101 to snap back beneath the latch surface 99.
  • the plunger lock release mechanism 32a that includes a lever 102 that is pivoted at 103 upon the bracket 86, and a fixed pin 104 on the upper end of the lever 102 which extends through registering slots 105 and 106 in the bracket 86 and the bed rail 38, respectively, and is engaged by one side of the lock lever 81 so that when the lock lever is moved counterclockwise it acts through the pin 104 to pivot the lever 102 on its pivot 103.
  • a flange 107 at the end of the lever 102 opposite to the pin 104 receives a wire 108 which is also connected to the plunger shaft 95 so that counterclockwise rotation of the lever 102 retracts the plunger 94 to release it from the latch member 98.
  • a convertible lounge bed in combination: a rectangular base frame having side rails. a head rail and a foot rail; a plurality of bed sections including a back section having a transverse head bar parallel to the head rail and two side bars parallel to the side rails, a seat section having side bars, and a leg section having side bars connected by a foot bar; means connecting the side bars of said sections end to end for pivotal movement of the portions between a bed poistion in which the sections are coplanar and a lounge position -in which adjacent sections are disposed at obtuse angles with respect to one another; pivot means mounting the back section on the side rails of the base frame; leg section link means mounting the leg section on said side rails, said pivot means being so located with respect to the connection between the back section and the seat section that the normal disposition of body weight.
  • cam means comprises a thread on the stud and a cooperating thread on the lever.
  • the head bar has a hole generally midway between the side bars, a headed pin is slidably mounted in said hole, a spring biases said pin toward the head rail, a latch plate is mounted on the head rail for engagement by said pin in the bed position of the bed sections, and release means are provided for retracting said pin, said release means including an actuating lever pivoted on the back section side bar, a stud on said actuating lever engageable by the clamping lever means so that rotation of the lever to release the 4arm moves a part of the actuating lever away from the head bar, and a cable connecting the pin to said part of the actuating lever.
  • a convertible lounge bed in combination: a rectangular base frame hav-ing side rails, a head rail and a foot rail; four bed sections including a back section having ⁇ a head bar parallel to the head rail and two side bars connected to the head rail and parallel to the side rails, an intermediate section having side bars pivotably connected to the back section side bars adjacent .the ends of the latter remote from the head bar, .a seat section having side bars pivotably connected to the intermediate section side bars adjacent the ends of .the latter remote from the backsection, and a leg section having side bars pivotably connected to the seat section side bars adjacent the ends ofthe latter remote from the intermediate section, said leg section having a foot bar connecting its side bars, said pivotal connections permitting movement of said sections between a bed position in which the sections are coplanar and a lounge position in which adjacent sections are disposed at obtuse angles with respect to one another; pivot means mounting the back section on the side rails of the base frame; leg section link means mounting the leg section on said side rails; seat section link means parallel to
  • cam means comprises a thread on the stud and a ⁇ cooperating thread on the lever.
  • V12. The combination of claim 7 in which the head bar has a hole generally midway between the side bars, a headed pin is slidably mounted in said hole, a spring biases said pin toward the head rail, a latch plate is mounted on the head railfor engagement by said pin in the bed position of the bed sections, and release means are provided for retracting said pin, said release means including an. actuating lever pivoted on the back section side bar, a stud on said actuating lever engageable by the clamping lever means so that rotation of the lever to release the arm moves a part of the actuating lever away from the head bar, and a cable connecting the pin to said part of the actuating lever.
  • a convertible bed lounge mechanism for mounting in a rectangular base frame that has side rails, said mechanism comprising, in combination: a pair of mounting plates adapted to be secured to the side rails of a base frame; a'plurality of bed sections including a back section having a pair of side bars parallel to the mounting plates and a head bar connecting said side bars, a seat section having side bars parallel to said plates, and a leg section having side bars parallel to the plates and a foot bar connecting said leg section side bars; means connecting the side bars of said sections end to end for pivotal movement of the sections between a bed position in which the sections are coplanar and a lounge position in which adjacent sections are disposed at obtuse angles with respect to one another; pivot means mounting the back section on said mounting plates; leg section link means mounting the leg section on said mounting plates, said pivot means being so located with respect to the connection between the back section and the seat section that the normal disposition of body weight of a person reclining on said sections with his head near the head bar causes the sections to assume the lounge position; and
  • said locking means including a slotted arm pivoted on a back section side bar, a stud mounted in said one of the mounting plates and impaling the slot in the arm, clamping lever means rotatable on said stud between the arm and the back section, said lever means including a friction shoe facing the arm, and interengaging cam means on the stud and the lever so that rotation of the lever in one direction forces the friction shoe against the arm to clamp the arm against the one mounting plate and rotation of the lever in the opposite direction releases the arm, said stud in bed position of the bed sections abutting a first end of the slot and in the lounge position abutting a second end of the slot.
  • cam means comprises a thread on the stud and a cooperating thread on the lever.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Special Chairs (AREA)
US423230A 1965-01-04 1965-01-04 Bed lounge mechanism Expired - Lifetime US3253285A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US423230A US3253285A (en) 1965-01-04 1965-01-04 Bed lounge mechanism
CH1815865A CH439625A (fr) 1965-01-04 1965-12-28 Armature pour lit à sommier articulé
FR8500A FR1469152A (fr) 1965-01-04 1965-12-30 Mécanisme pour lit de relaxation
BE674666D BE674666A (fr) 1965-01-04 1965-12-31
GB55486/65A GB1104319A (en) 1965-01-04 1965-12-31 Convertible lounge bed
NL6517245A NL6517245A (fr) 1965-01-04 1965-12-31
AT5766A AT254443B (de) 1965-01-04 1966-01-04 Verstellvorrichtung für ein Ruhebett

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US423230A US3253285A (en) 1965-01-04 1965-01-04 Bed lounge mechanism

Publications (1)

Publication Number Publication Date
US3253285A true US3253285A (en) 1966-05-31

Family

ID=23678111

Family Applications (1)

Application Number Title Priority Date Filing Date
US423230A Expired - Lifetime US3253285A (en) 1965-01-04 1965-01-04 Bed lounge mechanism

Country Status (7)

Country Link
US (1) US3253285A (fr)
AT (1) AT254443B (fr)
BE (1) BE674666A (fr)
CH (1) CH439625A (fr)
FR (1) FR1469152A (fr)
GB (1) GB1104319A (fr)
NL (1) NL6517245A (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353193A (en) * 1966-01-26 1967-11-21 Greiner Otto Self-adjusting beds
US3369379A (en) * 1965-05-28 1968-02-20 Torrington Co Jack for automatic knitting machine
US3535716A (en) * 1967-12-04 1970-10-27 Otto Greiner Use of swing absorbers in beds with adjustable back
US4100630A (en) * 1976-01-24 1978-07-18 Odo Klose Reclining furniture
US4380838A (en) * 1981-04-08 1983-04-26 Milton Lutchansky Conformable support system for furniture
US4821351A (en) * 1986-08-27 1989-04-18 Molnlycke Ab Bed and/or chair device
EP0315588A1 (fr) * 1987-11-04 1989-05-10 Josef Schätti Articulation en particulier pour lit à surface multiple
US4996731A (en) * 1989-04-19 1991-03-05 Kruyt Robert A Adjustable bed
US6643873B2 (en) 2001-04-27 2003-11-11 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US6678904B1 (en) 1993-08-03 2004-01-20 L&P Property Management Company Hinged link mattress deck
US20070180621A1 (en) * 2006-01-19 2007-08-09 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US20240023720A1 (en) * 2022-07-21 2024-01-25 Chuan-Hang Shih Electric bed

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH642832A5 (en) * 1979-11-28 1984-05-15 Inpaver Ag Bed
IL85442A (en) * 1988-02-17 1992-11-15 Oded Sheinfeld Combined bed and relaxation chair

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US776528A (en) * 1904-04-29 1904-12-06 James Joseph Murphy Bed.
US1296451A (en) * 1918-07-22 1919-03-04 Guido Arrigoni Invalid-bed.
US1862820A (en) * 1927-06-18 1932-06-14 Smith & Davis Mfg Company Hospital bed
US2124602A (en) * 1933-12-07 1938-07-26 Jose Maria Bragulat Foldable bed
US2658209A (en) * 1947-04-16 1953-11-10 Simmons Co Self-tilting bed
US3105247A (en) * 1961-04-07 1963-10-01 Super Sagless Spring Corp Reclining beds

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US776528A (en) * 1904-04-29 1904-12-06 James Joseph Murphy Bed.
US1296451A (en) * 1918-07-22 1919-03-04 Guido Arrigoni Invalid-bed.
US1862820A (en) * 1927-06-18 1932-06-14 Smith & Davis Mfg Company Hospital bed
US2124602A (en) * 1933-12-07 1938-07-26 Jose Maria Bragulat Foldable bed
US2658209A (en) * 1947-04-16 1953-11-10 Simmons Co Self-tilting bed
US3105247A (en) * 1961-04-07 1963-10-01 Super Sagless Spring Corp Reclining beds

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3369379A (en) * 1965-05-28 1968-02-20 Torrington Co Jack for automatic knitting machine
US3353193A (en) * 1966-01-26 1967-11-21 Greiner Otto Self-adjusting beds
US3535716A (en) * 1967-12-04 1970-10-27 Otto Greiner Use of swing absorbers in beds with adjustable back
US4100630A (en) * 1976-01-24 1978-07-18 Odo Klose Reclining furniture
US4380838A (en) * 1981-04-08 1983-04-26 Milton Lutchansky Conformable support system for furniture
US4821351A (en) * 1986-08-27 1989-04-18 Molnlycke Ab Bed and/or chair device
EP0315588A1 (fr) * 1987-11-04 1989-05-10 Josef Schätti Articulation en particulier pour lit à surface multiple
US4996731A (en) * 1989-04-19 1991-03-05 Kruyt Robert A Adjustable bed
US6678904B1 (en) 1993-08-03 2004-01-20 L&P Property Management Company Hinged link mattress deck
US6643873B2 (en) 2001-04-27 2003-11-11 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US20040055088A1 (en) * 2001-04-27 2004-03-25 Heimbrock Richard H. Patient support apparatus having auto contour
US6839926B2 (en) 2001-04-27 2005-01-11 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US20070180621A1 (en) * 2006-01-19 2007-08-09 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US20110231997A1 (en) * 2006-01-19 2011-09-29 Turner Jonathan D Auto contour handle apparatus
US8069513B2 (en) 2006-01-19 2011-12-06 Hill-Rom Services, Inc. Patient support apparatus having auto contour
US8387184B2 (en) 2006-01-19 2013-03-05 Hill-Rom Services, Inc. Auto contour handle apparatus
US8910329B2 (en) 2006-01-19 2014-12-16 Hill-Rom Services, Inc. Patient support having auto contour
US20240023720A1 (en) * 2022-07-21 2024-01-25 Chuan-Hang Shih Electric bed

Also Published As

Publication number Publication date
AT254443B (de) 1967-05-26
CH439625A (fr) 1967-07-15
BE674666A (fr) 1966-04-15
FR1469152A (fr) 1967-02-10
NL6517245A (fr) 1966-07-05
GB1104319A (en) 1968-02-21

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