US3869169A - Retractable footrest mechanism - Google Patents

Retractable footrest mechanism Download PDF

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Publication number
US3869169A
US3869169A US374486A US37448673A US3869169A US 3869169 A US3869169 A US 3869169A US 374486 A US374486 A US 374486A US 37448673 A US37448673 A US 37448673A US 3869169 A US3869169 A US 3869169A
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United States
Prior art keywords
chair
footrest
link
rails
seat
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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
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US374486A
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English (en)
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Carl B Johnson
Henry James
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PONTIAC FURNITURE INDUSTRIES Inc
PONTIAC FURNITURE Inc
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PONTIAC FURNITURE IND
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Priority to US374486A priority Critical patent/US3869169A/en
Priority to CA213,792A priority patent/CA1040998A/en
Priority to AU75596/74A priority patent/AU478315B2/en
Priority to JP49142598A priority patent/JPS5174757A/ja
Priority to DE2459908A priority patent/DE2459908C3/de
Application granted granted Critical
Publication of US3869169A publication Critical patent/US3869169A/en
Assigned to PONTIAC FURNITURE, INC., reassignment PONTIAC FURNITURE, INC., CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: NEWLEN FURNITURE, INC.
Assigned to NEWLEN FURNITURE, INC., reassignment NEWLEN FURNITURE, INC., ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: PONTIAC FURNITURE INDUSTRIES, INC.,
Assigned to PFI LIQUIDATING CORPORATION, A CORP. OF DE. reassignment PFI LIQUIDATING CORPORATION, A CORP. OF DE. LICENSE (SEE DOCUMENT FOR DETAILS). Assignors: PONTIAC FURNITURE INC.,
Assigned to PONTIAC FURNITURE, INC., A CORP. OF DE. reassignment PONTIAC FURNITURE, INC., A CORP. OF DE. RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: P.F.I. LIQUIDATING CORPORATIO, A CORP. OF DE.
Assigned to JAMES TALCOTT BUSINESS CREDIT, INC., A CORP OF N Y reassignment JAMES TALCOTT BUSINESS CREDIT, INC., A CORP OF N Y SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: POONTIAC FURNITURE INC.
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Expired - Lifetime 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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/03—Locking members
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type

Definitions

  • ABSTRACT A retractable footrest for reclining chairs supported upon a pair of parallel rails movable endwise on the chair, forward to extend the footrest and backward to retract.
  • the rails are tubular to house the operating link that rotates the footrest on the: rail ends to present its supporting surface upwardly, and are supported from the seat and guided by a forward fulcrum roller and a guide track which confines and directs a roller on the rear end of the rail.
  • Extension and retraction of the rails is by a drive linkage that magnifies a limited rotation to produce a large linear movement.
  • Lazy tongs or scissors linkages while adequate for the purpose, have certain disadvantages which are overcome in the present invention.
  • the multiplicity of operating pivot joints in a lazy tong linkage are multiple points for wear, and, in time, after much usage, the footrest supported on sucha linkage becomes loose and floppy when extended, and when stowed does
  • the difficulties encountered with extension mechanisms of the above-described type are obviated in the footrest extension mechanism of the present invention, in which the footrest is supported upon a pair of rails which are extended and retracted in an essentially endwise movement by a suitable driving mechanism.
  • the rails are formed to house a linkage for adjusting the angularity of the front board-footrest as the same is extended, and. the support for the rails is further adjusted to change the effective angularity of the footrest further as the chair is reclined.
  • FIG. 1 is asomewhat fanciful isometric illustration of a rocker-recliner equipped with our footrest, showing the clean lines of its simple rail supports'and also showing diagrammatically how the load on the extended footrest is borne in the chair;
  • FIG. 1 A is a sideview of the footrest and the outer end of the near extension rail, showing-their stowed relationship in full line and their relationship when extended by broken line;
  • FIG. 2 is a side elevation of our footrest extension mechanism as applied to a rocker-recliner chair
  • FIG. 3 is a sectional view taken on the line 3-3 of FIG. 2 to better illustrate the track by which the movement of the back end of each extension rail is supported during its movement forwardly and rearwardly of the chair;
  • FIG. 4 is a section on the line 4-4 of FIG. 2, depicting the mounting of one of the drivinglinks of the extension mechanism, which when fitted for handle operation becomes the driving lever for the extension of the footrest;
  • FIG. 5 is a section taken on the line 55 of FIG. 2 to better illustrate the mounting of the front one of the two driving links, its attachment to, and the support of, the cross-shaft which extends to similar linkage on the opposite side of the chair to unify the forward and rearward movement of the extension mechanism;
  • FIG. 6 is a section taken on the line 6--6 of FIG. 2 to illustrate in more detail the front support for each extension rail;
  • FIGS. 7, 8, 9 and 10 are diagrammatic illustrations of the linkage of FIG. 2 shown respectively in the fully retracted position of the footrest for orientation with the detailed showing of FIG. 2, and, thereafter, in an intermediate position, in fully extended position, and, lastly,
  • the footrest extension and support mechanism of thezinvention comprises a pair of spaced parallel rails or beams 10 which are supported from the underside of the seat of a reclining chair, and are driven from the fully retracted position to full extension by linkage which is likewise suspended from the seat of the chair.
  • the footrest 12 itself, which serves as the front panel of the chair when retracted, is pivotally mounted on the front ends of the rails 10, which are preferably tubular not only for greater beam strength but, also for purpose of housing and concealing an adjusting link 14 by means of which the angularity of the footrest 12 is adjusted coincident with its extension' to its functional position forwardly of the chair seat.
  • the pair of supporting rails 10, one on each side of the chair, are driven by identical operating linkages 16 only one of which is specifically illustrated in FIG. 2, but whose counterpart will be understood to be its mirror image.
  • the two linkages 16 are connected together for movement in unison by a cross-shaft 18 which extends transversely of the chair, is supported for rotation in the seat bracket hardware 20 and to which one member of the linkage 16 at either side of the chair is attached as an arm.
  • the cross-shaft 18 is illustrated as connecting the pair of forward drive links 22 at opposite sides of the chair so as not to present an obstacle to resilient deflection of the seat cushion by the occupants weight.
  • the invention is illustrated in connection with a linkage 16 which is extended to the forward position by a hand lever 24, i.e., by action independent of a relative motion of other parts of the chair.
  • a hand lever 24 i.e., by action independent of a relative motion of other parts of the chair.
  • the footrest l2 coulcl also be extended as an incident to movement of theseat relative to any of the other chair parts as, for example, relative to the rocker portion of a rocker-recliner to achieve footrest extension in the more or less upright sitting position referred to as the TV position illustrated in FIG. 1.
  • driving force or torque could be applied to activate theextension and retracting linkage at any convenient point,,such.as, for example, to another arm (not shown) connected to the cross shaft 18.
  • FIGS. 2-to 6 of the drawings for a more detailed description of our-footrest extension mechanism 16, the same, as previously noted, is suspended from a bracket 20 affixed to the underside of the cushioned chair seat.
  • the bracket 20 is also that which supports the seat for relative movement with respect to the rocker element 26 of a rocker .base 28 as indicated in FIG. 1, being supported thereon by means of suitable linkage 30 such, for example, as that disclosed in our co-pending application Ser. No. 374,355 filed June 28, 1973 to which reference may be made for more detailed illustration.
  • footrest extension mechanism 16 is not confined in its application to only that seat support mechanism 30 shown here in part and in detail in our above-mentioned copending application, but may be utilized with any reclining chair mechanism that offers either the possibility of hand-lever. operation-of the linkage 16, or operation thereof bymovement of the seat or back relative to another portion of the chair.
  • the footrest 12 is secured to a mounting bracket 38 pivoted at the front end of the rail'or beam which is approximately coextensive in length with the front-to-rear dimensionof the seat bracket 20.
  • Each rail 10 is tubular, and rectangular of cross section, with its greater cross-sectional dimension upright.
  • the rail is supported on a roller 40 which in turn is supported by a pair of parallel links 42 suspended from the seat bracket 20.
  • the position of the link-supported front roller 40 is determined by a link-rod 44 extending rearwardly and pivoted to the front support link 32 of the seat.
  • each rail 10 is provided with an upstanding bracket 46 which supports a guide roller 48 positioned in a channel-shaped track 50 secured to, and facing outwardly from, the seat bracket 20.
  • the guide roller 48 remains confined in its track 50 and transfers to the seat bracket 20 the upward thrust occasioned by loads exerted generally downwardly on the footrest.
  • the linkage 16 for extending and retracting the rails 10 includes, at the forward end of the seat bracket 20, the drive link 22 which, as previously noted, is fixed as an arm to the cross shaft 18. Spaced rearwardly is yet another drive link 52, likewise pivoted to the seat bracket 20, and assuming an attitude approximately parallel with the forward drive link 22 when the mechanism is in the fully retracted position.
  • the two links 22 and 52 are connected for movement in unison by an upper connecting link 54.
  • rock lever 56 Secured to the rearward drive link 52 at its end remote from the seat bracket 20 is a rock lever 56, the forward end of which is pivoted to a lower restraining link 58 which extends forwardly and is pivoted to the end of the front drive link 22 at its end remote from the cross shaft 18.
  • the rear end of the rock lever 56 is pivoted to a short drag link 60, which in turn is pivoted to the rail 10 on a shoulder rivet 62 which also serves to stake the guide-roller bracket 46 to the back end of the rail 10.
  • the rear link 52 serves as the driver, having connected thereto an operating handle 24 accessible to the occupant of the chair on the outsideof the arm thereof.
  • the handle is shown in FIG. 2 in broken outline as an extension across the center of rotation of the rearward drive link 52, and it will be understood that for such purpose, the hand lever 24, being on the outside of the chair arm, and the linkage mechanism 16 being concealed inwardly thereof, a suitable short shaft (not shown) is provided to connect the handle lever 24 and the drive link 52 along or close to their common axes of rotation, such detail being omitted in FIG. 1 for sake of clarity.
  • the forward motion of the rock lever 56 being in turn transmitted to the extension rail 10 at its rearward end through the drag link 60, propels the footrest 12 forwardly from its stowed position, snugged to the bracket 20 and, through the control link-rod 44, draws front of the chair, to its extended position, ready to support the feet or legs of the occupant.
  • the footrest l2 proper is pivotally mounted on the front end of the two extension rails by means of an angle bracket 38 pivoted to each of saidrails. It will be appreciated that to render the footrest usable, it must be rotated counterclockwise as viewed in FIG. 2 in order to present its upholstered surface at an appropriate angle to the occupants legs.
  • the operating link 14 preferably in the formof a rod which has a circular section and which is housed within the extension rail 10.
  • the rod 14 is provided with a right angle bend 64 and 66at each end. Extending toward the viewer in FIGS.
  • the bend 64 is passed through a suitable hole in the footrest bracket 38, and the bend 66 at its rearward end, also extending toward the viewer, passes outwardly through a window 68 in the outer side wall of the tubular rail 10 and through a suitable pivot hole near the rearward end of the rock lever 56.
  • the rotation of the rock lever 56 causes movement of the concealed rod-link 14 rearwardly within and relative to the rail 10, drawing the footrest bracket 38 rearwardly, or counterclockwise as seen in FIG. 1, to appropriately adjust the angle of the front face of the footrest 12.
  • the forward end of the rail is also relieved at an angle to provide a stop and support for the bent end 64 of the link rod when the footrest is laid back in the extended position.
  • the motion of the rod link 14 at its rearward end is very nearly a straight-line motion and the window 68 in the side wall of the rail is therefore essentially a longitudinal extending slot which may be of dimension only slightly greater than the diameter of the rod link 14 to provide necessary clearance.
  • the rock lever 56 at the end of the rear drive link 52 rotates sufficiently that the rod-link pivot 66 moves across the pivot of the lever 56 to the drag link i 60.
  • the necessary clearance to accommodate this movement at full extension of the support rail 10 is provided by means of a notch 70 cut into the lower edge of the drag link 60.
  • FIG. 2 augmented by the several sectional views of FIGS. 3 to 6 inclusive.
  • the seat bracket 20 in its forward portion is an inverted channel, and in its rearward portion is angleshaped in cross section, having only an inner vertical flange 72 of gradually increasing depth from front to rear. This is to provide a convenient point of attachment for the rearward portion of a seat-supporting mechanism illustrated in our aforementioned copending application Ser. No. 374,355 filed June 28, 1973, and having been noted for that purpose need not be mentioned further.
  • the roller guide 50 Secured to the vertical flange 72 of the seat bracket, and extending from its very rearward end forwardly well into the channel-shaped forward portion thereof as well, is the channel-shaped roller guide 50 the contacting surfaces of which are V-shaped to receive the beveled guide roller 48 at the back end of the extension rail 10.
  • the roller 48 itself is journaled upon a shoulder rivet 74 at the upper end of the bracket 46 which encircles the extreme rearward end of the extension rail 10 (compare FIGS. 2 and 3).
  • the bracket-46 is staked to the rear end of the rail by a pair of rivets, one of which, the shoulder rivet 62, provides the point of connection for the drag link 60 to the rail 10.
  • the rail 10 itself is chopped at an angle to reduce its depth to provide clearance from the base member 28 on the rearward rocking motion of the chair.
  • the roller guide 50 is preferably formed from light gauge steel and projectionwelded to the inner vertical flange 72 of the seat bracket.
  • the double support links 42 which support the front fulcrum roller 40.
  • the parallel links 42 extend into the inverted channel of the seat bracket, and are journaled on a pivot pin 76 and maintained thereon in spaced relation by an upper roller 78 which is of molded Nylon or the like. Clearance space is occupied by spacing washers 80, and the side of the journal pin opposite its head is secured by a self-locking push-on fastener 82 of the Tinnerman type.
  • the roller 40 At the lower end of the parallel links 42, the roller 40, likewise of molded Nylon, is journaled on the front end 84 of the rodshaped control link 44 which extends rearwardly to the seat support link 32.
  • the control link is bent at each ends at rightangles to its shank and in opposite directions, the outer end 84 providing the journal for the fulcrum roller 40 extending toward the viewer in FIG. 2, and maintained in assemble relation with the parallel links 42 by means of a Cotter key. Its opposite end 86, (FIG. 6) which provides its pivotal connection to the seat support link 32, is bent away from the viewer, and similarly fastened in assembled relation with that link.
  • both rollers, the lower support or fulcrum roller 40 and the upper spacing roller 78 are flanged not only to maintain clearance between the extension rail 10 and the parallel front suspension links 42 for silent operation, but also-to provide lateral stability to the extended footrest.
  • the coordinating cross shaft 18 is preferably square in cross section to facilitate the rigid mounting of the forward drive link 22 thereto.
  • the cross shaft 18 passes through both flanges of the seat bracket 20, channel-shaped at that point, through an oversize clearance hole 88 in the inner flange, and snugly through a bushing 90, also of molded plastic, by means of which the cross shaft 18 is journaled in a suitably finished hole in the outer flange of the seat bracket 20.
  • the bushing 90 is provided with a conforming square hole to receive the shaft 18, and also'with an outer flange which serves to space the front drive link 22 from the seat bracket 20.
  • the front link 22 To fix the front link 22 firmly to the shaft 18 as an arm, its upper end is formed as a channel and pierced to receive the shaft, with the flanges of the channel flanking the square shaft 18 on opposite sides.
  • the flanges are suitably pierced, and the shaft end drilled, to receive a keying bolt or drive pin 94.
  • the rear drive link 52 is pivoted to the outer flange of the seat bracket 20 by means of a shoulder rivet 96, and is offset immediately outwardly to provide clear- 7 ance for the end66 of thelink-rod 14 asthe rear end oftherock lever 56 crosses under the drive link 52 and the upper connecting link 54on the extension, and retraction movement. At its lower end, the drive link 52 is offsetinwardly.
  • the rock lever 56 is offset outwardly at the location of its pivotal connection to the rear drive link 52, so that the two mating offsets of the link 52 and lever 56 position the lever fairly close to the outer side wall of the extension rail 10 for convenient pivotal connection at 66 to the end of the link rod 14 that passes through the extension rail from back to front to vary the angle of the footrest. That connection is similarly maintained by a Cotter key or suitable substitute.
  • extension linkage 16 will best be understood by examining the series of diagrammatic drawings, FIGS. 7 to 10, inclusive, in which the extension rail 10, the seat bracket 20, and the base bracket 34, are shown asthey actually are, and the extension linkage 16 and the front link 32 of the seat-support linkage are represented as single lines along the axes of those members.
  • FIG. 7 depicts the footrest l2 and extension linkage 16 in the position of FIG. 2 to aid in orienting the simplified line drawing of FIG. 7 with its fully illustrated counterpart, FIG. 2.
  • the footrest l2 and associated extension linkage 16 are shown installed in a chair of the rocker recliner type, which is indicated only in outline form to illustrate the location of the footrest mechanism of the invention with respect to the body of the chair of which it is a part.
  • FIG. 2 the simplified diagrammatic form of the linkage of FIGS. 7 to 10. is illustrated as being operated by the hand lever 24 to extend the footrest l2 and, for
  • the footrest may also be retracted to the stowed position if it is drawn rearwardly by theoccupants heels,. there being no locked toggle in the extension linkage 16 tending to resist retraction either by direct application of an inwardly directed horizontal force to the footrest, or by a torque applied thereto in a clockwise direction as seen in the drawings.
  • extension linkage '16 might well be driven from a different point, forexample, as also previously suggested, by the application of a driving torque to the cross-shaft 18 in any feasible way, such as a suitably positioned arm connected by means of an operating link to another portion of the chair with respect to which the seat is relatively movable.
  • FIG. 7 the footrest is stowed, and thus serves as the front board or front panel of the chair, being shown in solid outline within the broken outline of the chair itself.
  • the operating handle 24 extends diagonally forwardlywithin the grasp of the occupant of the chair.
  • a rocker-recliner chair chosen to illustrate the application of the invention, it will be understood that it is conventional to lock or block the rocker base as an incident to the extension of the leg rest. This may be achieved by a number of blocking mechanisms (not shown) which may for example, be folded legs extended for the purpose, or may be an improved selective rocker-recliner lock of our own development illustrated, described, and claimed in our co-pending application Ser. No. 374,356, filed June 28, 1973.
  • the footrest extension mechanism here illustrated and claimed is equally usable in chairs of the non-rocking type, we have omitted illustration of the rocker blocking mechanism as not specifically relevant to the present invention.
  • FIG. 8 shows the footrest advanced to an intermediate position. It is not intended as a use position but merely to illustrate the movement of the respective parts of the linkage 16 in thetravel of the footrest 12 from its stowed to its fully extended position.
  • FIG. 9 shows the footrest 12 fully extended and cocked to a comfortable leg supporting angle by the rearward draw of the retracting link-rod I4 housed within the tubular extension rails 10.
  • the rock lever 56 is rotated rapidly relative to the seat bracket 20, and to the extension rail 10, through an arc of approximately 150 in the course of the entire extension movement, whereas, for example, the forward drive link 22 rotates only through approximately In any event, the rock lever 56, notwithstanding the forward movement of its pivotal attachment to the drive link 52, moves rapidly forward to extend the footrest 12.
  • the further adjustment of the angularity of the footrest 12 occasioned by the retraction of the forward fulcrum roller 40 upon the recline of the chair is a significant addition to the comfort of the occupant by providing better distribution of the weight of the legs between the seat and the footrest proper, in order to prevent impairment of circulation to the lower limbs during extended periods of occupancy while sleeping.
  • a footrest extension'mechanism for a reclining chair comprising a footrest pivoted to the ends of a pair of parallel rails supported on the chair for essentially endwise movement forwardly andrearwardly of the chair for extending and retracting the footrest, drive means connected to said rails to cause said movement, and means connected to said footrest to alter the angularity of the footrest relative to said rails as an incident to said endwise movement between a retracted position with its supporting surface in the front plane of the chair and a forward position facing upwardly to support the occupants legs, said angularity-altering means being operable as aforesaid by connection with a portion of the chair with respect to which said rails are movable upon extension of the footrest to said forward position and being also thereby movable relative to said rails, said rails being shaped to provide protective masking of said angularity-altering means during movement thereof relative to said rails.
  • a motion multiplying drive linkage for each of said rails for moving the same forwardly and rearwardly said linkage including a drive link pivoted to the chair for movement of one of its ends forward and back relative to the chair, a rock lever pivoted medially thereof to said drive link and having one of its ends restrained relative to its medial pivot and having its length apportioned relative to said medial pivot to move its end opposite said restrained end forwardly and rearwardly of the chair at a faster rate than the rate of movement of said drive link, and means connecting said rock lever to its associated rail to propel the same upon movement of said drive link;
  • said linkage also includes a second drive link, a connecting link pivoted to both of said drive links to cause them to rotate in unison, and a restraining link pivoted to said second drive link and to said one end of said rock lever to restrain the same and thereby to multiply the throw of the end of said rock lever connected to propel said associated rail.
  • both rails and both drive linkages are supported on the underside of the chair seat adjacent the sides thereof and the means connecting said linkages for unison movement is a cross shaft extending 1 1 fromside to side-of its-chair beneath theseat between and secured to corresponding ones of said drive links.
  • a footrest mounted upon the ends of a pair of parallel rails, means for supporting said rails for endwise movement on the chair to extend the footrest from a stowed position on the chair body to a forward leg-supporting position, said supporting means guiding the rearward ends of the rails in a predetermined path and including at the front of the chair a bearing fulcrum engaging the rails to provide the forward support for said rails as the same move forward and back relative to said fulcrum to extend and retract the footrest, said fulcrum being supported on the chair for movement as an incident to reclining movement of the chair to lower the footrest relative to the front of the chair seat as the chair reclines.
  • a chair in accordance with claim in which said bearing fulcrum at the front of the chair comprises a roller'supporting an undersurface of each rail, and the footrest is lowered by shifting the roller axis by the relative movement of the chair parts in the reclining movement.
  • each rail is supported by its own fulcrum roller which in turn is supported on the chair by a shiftable link connected by yet another link to one of the chair parts movable relative to the swing axis of said shiftable roller-support link by the reclining movement of the chair.
  • suspension link means is a pair of links flanking the fulcrum roller and upper guide roller, the chair seat upon recline of the back is movable forwardly and upwardly relative to the chair base by an overslung link pivoted between the base and the seat, and wherein said connecting link is connected between said roller-flanking suspension links and said overslung seat support link.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
US374486A 1973-06-28 1973-06-28 Retractable footrest mechanism Expired - Lifetime US3869169A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US374486A US3869169A (en) 1973-06-28 1973-06-28 Retractable footrest mechanism
CA213,792A CA1040998A (en) 1973-06-28 1974-11-15 Retractable footrest mechanism for reclining chairs
AU75596/74A AU478315B2 (en) 1973-06-28 1974-11-21 Retractable footrest mechanism
JP49142598A JPS5174757A (en) 1973-06-28 1974-12-13 Isuno ashidaihikidashikiko
DE2459908A DE2459908C3 (de) 1973-06-28 1974-12-18 Ausziehvorrichtung für eine Fußstütze bei einem Lehnsessel

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US374486A US3869169A (en) 1973-06-28 1973-06-28 Retractable footrest mechanism
CA213,792A CA1040998A (en) 1973-06-28 1974-11-15 Retractable footrest mechanism for reclining chairs
AU75596/74A AU478315B2 (en) 1973-06-28 1974-11-21 Retractable footrest mechanism
JP49142598A JPS5174757A (en) 1973-06-28 1974-12-13 Isuno ashidaihikidashikiko
DE2459908A DE2459908C3 (de) 1973-06-28 1974-12-18 Ausziehvorrichtung für eine Fußstütze bei einem Lehnsessel

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US3869169A true US3869169A (en) 1975-03-04

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Application Number Title Priority Date Filing Date
US374486A Expired - Lifetime US3869169A (en) 1973-06-28 1973-06-28 Retractable footrest mechanism

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US (1) US3869169A (ja)
JP (1) JPS5174757A (ja)
AU (1) AU478315B2 (ja)
CA (1) CA1040998A (ja)
DE (1) DE2459908C3 (ja)

Cited By (46)

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Publication number Priority date Publication date Assignee Title
US4072342A (en) * 1976-04-20 1978-02-07 Pontiac Furniture Industries, Inc. Recliner chair
US4185870A (en) * 1978-03-13 1980-01-29 Pontiac Furniture Industries, Inc. Seat-operated interlock
US4212494A (en) * 1978-07-24 1980-07-15 Kroehler Mfg. Co. Rocker reclining chair with multi-position rocker lock
US4226468A (en) * 1978-03-13 1980-10-07 Pontiac Furniture Industries, Inc. Wall-clearing recliner
US4506925A (en) * 1983-01-05 1985-03-26 Leggett & Platt, Incorporated Footrest mechanism for a reclining chair
US5217276A (en) * 1990-10-18 1993-06-08 La-Z-Boy Chair Company Chair mechanism
US5271660A (en) * 1990-10-18 1993-12-21 La-Z-Boy Chair Co. Reclining sofa
US5288126A (en) * 1991-10-11 1994-02-22 La-Z-Boy Chair Company Modular reclining/tilt chair and method
US5292170A (en) * 1991-08-06 1994-03-08 La-Z-Boy Chair Co. Recliner assist apparatus
US5312161A (en) * 1990-04-17 1994-05-17 Mars Suzanne P Chair for the elderly
US5435621A (en) * 1991-10-11 1995-07-25 La-Z-Boy Chair Company Modular reclining chair and method
US5485979A (en) * 1994-01-12 1996-01-23 La-Z-Boy Chair Company Chair base
US5507562A (en) * 1994-07-28 1996-04-16 Wieland Designs Inc. Extensible foot rest
US5570930A (en) * 1993-08-09 1996-11-05 La-Z-Boy Chair Company Recliner chair seat assembly and method of upholstering
US5823614A (en) * 1996-06-14 1998-10-20 L&P Property Management Company Three-way reclining furniture item
US5992931A (en) * 1991-10-11 1999-11-30 La-Z-Boy Incorporated Modular power reclining chair
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US8967718B2 (en) 2010-11-08 2015-03-03 Ultra-Mek, Inc. Rocking-reclining seating unit
US20160106220A1 (en) * 2014-10-16 2016-04-21 L&P Property Management Company Profile ottoman linkage
US20170042331A1 (en) * 2015-08-14 2017-02-16 Jennie Bucove Furniture Lock Out System
US10045625B2 (en) 2015-11-30 2018-08-14 Charles Johnson Recliner footrest extension system and method
US10485719B2 (en) 2016-12-12 2019-11-26 Ultra-Mek, Inc. Power-assisted reclining lift chair with split seat
US10604052B2 (en) * 2018-01-29 2020-03-31 Hyundai Motor Company Sliding-type footrest device for vehicle
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US10893991B1 (en) 2018-09-11 2021-01-19 Carlos Lara Chair with extendable footrest
US11198394B2 (en) 2018-07-20 2021-12-14 T-Max (Hangzhou) Technology Co., Ltd. Vehicle running board apparatus and retractable device thereof
US11376918B2 (en) 2019-03-11 2022-07-05 T-Max (Hangzhou) Technology Co., Ltd. Adjustment device, adjustor and shock absorber
US11414017B2 (en) 2019-03-05 2022-08-16 T-Max (Hangzhou) Technology Co., Ltd. Vehicle step apparatus and vehicle
US11577653B2 (en) 2020-05-11 2023-02-14 T-Max (Hangzhou) Technology Co., Ltd. Step apparatus for vehicle and vehicle
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US4212494A (en) * 1978-07-24 1980-07-15 Kroehler Mfg. Co. Rocker reclining chair with multi-position rocker lock
US4506925A (en) * 1983-01-05 1985-03-26 Leggett & Platt, Incorporated Footrest mechanism for a reclining chair
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US5271660A (en) * 1990-10-18 1993-12-21 La-Z-Boy Chair Co. Reclining sofa
US5217276A (en) * 1990-10-18 1993-06-08 La-Z-Boy Chair Company Chair mechanism
US5292170A (en) * 1991-08-06 1994-03-08 La-Z-Boy Chair Co. Recliner assist apparatus
US5288126A (en) * 1991-10-11 1994-02-22 La-Z-Boy Chair Company Modular reclining/tilt chair and method
US5992931A (en) * 1991-10-11 1999-11-30 La-Z-Boy Incorporated Modular power reclining chair
US5435621A (en) * 1991-10-11 1995-07-25 La-Z-Boy Chair Company Modular reclining chair and method
US5570930A (en) * 1993-08-09 1996-11-05 La-Z-Boy Chair Company Recliner chair seat assembly and method of upholstering
US5485979A (en) * 1994-01-12 1996-01-23 La-Z-Boy Chair Company Chair base
US5507562A (en) * 1994-07-28 1996-04-16 Wieland Designs Inc. Extensible foot rest
US5823614A (en) * 1996-06-14 1998-10-20 L&P Property Management Company Three-way reclining furniture item
US6231120B1 (en) * 1999-04-23 2001-05-15 L&P Property Management Company Reclining mechanism and furniture item
US6557934B2 (en) 1999-04-23 2003-05-06 L&P Property Management Company Motorized reclining mechanism and furniture item
US6637813B2 (en) 1999-04-23 2003-10-28 L&P Property Management Company Reclining mechanism and furniture item having pusher mechanism
US20050258670A1 (en) * 2004-05-20 2005-11-24 Lapointe Larry P Furniture mechanism
US6988769B2 (en) * 2004-05-20 2006-01-24 La-Z-Boy Incorporated Spring toggle furniture mechanism
US7695059B1 (en) 2005-04-12 2010-04-13 Lane Furniture Industries, Inc. Adjustable leg rest assembly
EP1714585A1 (en) * 2005-04-19 2006-10-25 Ciar S.P.A. Chair with extendible foot rest
US20080217975A1 (en) * 2007-03-09 2008-09-11 Casteel Richard E Zero clearance recliner mechanism
US7850232B2 (en) 2007-03-09 2010-12-14 Ashley Furniture Industries, Inc. Zero clearance recliner mechanism
US20100132118A1 (en) * 2007-04-26 2010-06-03 Dale Robertson Adjustable furniture
US9474375B2 (en) * 2007-04-26 2016-10-25 Integrated Furniture Technologies Limited Adjustable furniture
US20090156094A1 (en) * 2007-12-13 2009-06-18 Timothy Seckel Ride-on toy having movable footrest
EP2078475A1 (de) * 2008-01-08 2009-07-15 Olsberg Hermann Everken GmbH Beinauflagenbeschlag für ein Möbel
US8967718B2 (en) 2010-11-08 2015-03-03 Ultra-Mek, Inc. Rocking-reclining seating unit
US20120146364A1 (en) * 2010-11-08 2012-06-14 Hoffman D Stephen Rocking-reclining seating unit
US8911009B2 (en) * 2010-11-08 2014-12-16 Ultra-Mek, Inc. Rocking-reclining seating unit
US10966526B2 (en) 2011-03-30 2021-04-06 American Leather Operations, Llc Reclining chair
US10251484B2 (en) 2011-03-30 2019-04-09 American Leather Operations, Llc Reclining chair
US9504328B2 (en) 2011-03-30 2016-11-29 American Leather Operations, Llc Reclining chair
US8882190B2 (en) 2011-03-30 2014-11-11 American Leather Operations, Llc Reclining chair
US8746802B1 (en) * 2012-03-22 2014-06-10 Fabio G. Delmestri Chair base with retractable foot platform
US9962004B2 (en) * 2014-10-16 2018-05-08 L&P Property Management Company Profile ottoman linkage
US20160106220A1 (en) * 2014-10-16 2016-04-21 L&P Property Management Company Profile ottoman linkage
US12115940B2 (en) 2015-08-04 2024-10-15 T-Max (Hangzhou) Technology, Co., Ltd. Vehicle and vehicle step apparatus with multiple drive motors
US10618472B2 (en) 2015-08-04 2020-04-14 T-Max (Hangzhou) Technology Co., Ltd. Vehicle and vehicle step apparatus with multiple drive motors
US11208043B2 (en) 2015-08-04 2021-12-28 T-Max (Hangzhou) Technology Co., Ltd. Vehicle and vehicle step apparatus with multiple drive motors
US11021108B2 (en) 2015-08-04 2021-06-01 T-Max (Hangzhou) Technology Co., Ltd. Vehicle and vehicle step apparatus with multiple drive motors
US20170042331A1 (en) * 2015-08-14 2017-02-16 Jennie Bucove Furniture Lock Out System
US10890235B2 (en) * 2015-08-14 2021-01-12 L&P Property Management Company Furniture lock out system
US10045625B2 (en) 2015-11-30 2018-08-14 Charles Johnson Recliner footrest extension system and method
US10485719B2 (en) 2016-12-12 2019-11-26 Ultra-Mek, Inc. Power-assisted reclining lift chair with split seat
EP3537931A4 (en) * 2017-01-26 2020-04-29 Ultra-mek, Inc. HIGH-TILT RECLINING SEAT UNIT
US10709246B2 (en) * 2017-01-26 2020-07-14 Ultra-Mek, Inc. Reclining high-leg seating unit
US11241094B2 (en) 2017-01-26 2022-02-08 Ultra-Mek, Inc. Reclining high-leg seating unit
US10604052B2 (en) * 2018-01-29 2020-03-31 Hyundai Motor Company Sliding-type footrest device for vehicle
US12017614B2 (en) 2018-07-20 2024-06-25 T-Max (Hangzhou) Technology Co., Ltd. Vehicle, running board assembly and drive assembly for running board
US11292390B2 (en) 2018-07-20 2022-04-05 T-Max (Hangzhou) Technology Co., Ltd. Vehicle, running board assembly and drive assembly for running board
US11318889B2 (en) 2018-07-20 2022-05-03 T-Max (Hangzhou) Technology Co., Ltd. Vehicle, running board assembly and drive assembly for running board
US11198394B2 (en) 2018-07-20 2021-12-14 T-Max (Hangzhou) Technology Co., Ltd. Vehicle running board apparatus and retractable device thereof
US11577654B2 (en) 2018-07-20 2023-02-14 T-Max (Hangzhou) Technology Co., Ltd. Vehicle, running board assembly and drive assembly for running board
US10682960B2 (en) 2018-07-20 2020-06-16 T-Max (Hangzhou) Technology Co., Ltd. Vehicle, running board assembly and drive assembly for running board
US11702012B2 (en) 2018-07-20 2023-07-18 T-Max (Hangzhou) Technology Co., Ltd. Vehicle running board apparatus and retractable device thereof
US10893991B1 (en) 2018-09-11 2021-01-19 Carlos Lara Chair with extendable footrest
US11881063B2 (en) 2019-02-20 2024-01-23 T-Max (Hangzhou) Technology Co., Ltd. Management apparatus for a vehicle device, vehicle and server
US12103828B2 (en) 2019-02-28 2024-10-01 T-Max (Hangzhou) Technology Co., Ltd. Winch, rope guide and transmission device having clutch function
US12084323B2 (en) 2019-02-28 2024-09-10 T-Max (Hangzhou) Technology Co., Ltd. Winch, rope guide and transmission device having clutch function
US11414017B2 (en) 2019-03-05 2022-08-16 T-Max (Hangzhou) Technology Co., Ltd. Vehicle step apparatus and vehicle
US11376918B2 (en) 2019-03-11 2022-07-05 T-Max (Hangzhou) Technology Co., Ltd. Adjustment device, adjustor and shock absorber
US11584387B2 (en) 2019-09-16 2023-02-21 T-Max (Hangzhou) Technology Co., Ltd. Step apparatus for vehicle and vehicle
US11590897B2 (en) 2020-05-11 2023-02-28 T-Max (Hangzhou) Technology Co., Ltd. Step apparatus for vehicle and vehicle
US11577653B2 (en) 2020-05-11 2023-02-14 T-Max (Hangzhou) Technology Co., Ltd. Step apparatus for vehicle and vehicle

Also Published As

Publication number Publication date
AU7559674A (en) 1976-05-27
AU478315B2 (en) 1976-05-27
DE2459908C3 (de) 1980-04-03
DE2459908A1 (de) 1976-07-01
JPS5547899B2 (ja) 1980-12-03
JPS5174757A (en) 1976-06-28
CA1040998A (en) 1978-10-24
DE2459908B2 (de) 1979-08-02

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