Supporting plate arrangement

Claim 2

A support plate arrangement for adjusting the inclination of at least one part of a repose surface of reclining furniture, comprising two levers, means for hingedly interconnecting said two levers to form a pair of hinged levers, one of the levers being constituted by a rack member secured to the reclining furniture said rack member having teeth and possessing a substantially U-shaped profile including leg members having leg edges provided with teeth, a slide member displaceable upon the rack member in the lengthwise direction of the rack member during adjustment of the reclining furniture, a support lever member, means for hingedly connecting the support lever member at the other lever defining a second hinged lever, means for permitting an end of the support lever member to be guided between the leg members of the rack member such that the support lever member is movable in the slide member between a work position where it is in engagement with the teeth of the rack member and a rest position which permits the free displacement and pivoting of the levers towards one another into a collapsed position, means provided for spreading the hinged levers from one another, said second hinged lever having a free end possessing a contact surface for the part of the repose surface which is adjustable in inclination.

Claim 3

The support plate arrangement as defined in claim 1, wherein said spreading means comprises a spring arranged between both hinged levers.

Claim 4

The support plate arrangement as defined in claim 1, wherein the second hinged lever possesses a substantially U-shaped configuration having a pair of legs affording space therebetween for accommodating the rack member and the slide member.

Claim 5

The support plate arrangement as defined in claim 3, wherein with maximum spreading of the hinged levers a web of the second hinged lever impacts against the rack member.

Claim 6

The support plate arrangement as defined in claim 1, wherein said contact surface comprises a domed slide surface.

Claim 7

The support plate arrangement as defined in claim 1, wherein said contact surface is constituted by a roller which is rotatably mounted at the second hinged lever and against which bears the repose surface of the reclining furniture.

Claim 8

The support plate arrangement as defined in claim 1, wherein the rack member has ends at the region of which there is provided a respective hole for the attachment of the rack member at the furniture.

Claim 9

The support plate arrangement as defined in claim 7, wherein for the attachment of the rack member at the furniture there is provided a bracket which can be secured to the furniture, said bracket having projection means which can be arrested in the holes of the rack member ends.

Claim 10

The support plate arrangement as defined in claim 7, wherein each of said attachment holes opens into a slot at the underside of the rack member.

Claim 11

A support plate arrangement for adjusting the inclination of at least one part of a repose surface of reclining furniture, comprising two levers, means for hingedly interconnecting said two levers to form a pair of hinged levers, one of the levers being constituted by a rack member secured to the reclining furniture, said rack member having teeth and possessing a substantially U-shaped profile including leg members having leg edges provided with teeth, a slide member displaceable upon the rack member, a support lever member, means for hingedly connecting the support lever member at the other lever defining a second hinged lever, means for permitting an end of the support lever member to be guided between the leg members of the rack member such that the support lever member is movable in the slide member between a work position where it is in engagement with the teeth of the rack member and a rest position which permits the free displacement and pivoting of the levers towards one another, means provided for spreading the hinged levers from one another, said second hinged lever having a free end possessing a contact surface for the part of the repose surface which is adjustable in inclination, the rack member having ends at the region of which there is provided a respective hole for the attachment of the rack member at the furniture, each of said attachment holes opening into a slot at the underside of the rack member, wherein for the attachment of the rack member at the furniture there is provided a substantially U-shaped bracket member which can be secured to the furniture, said U-shaped bracket member having legs constructed as hooks and with the exception of a projection of each leg for engagement in one of said attachment holes the rack member possesses a thickness which substantially corresponds to the thickness of each slot of the attachment holes of the rack member, each leg having a hook mouth the width of which is approximately the same size as the outer spacing of the legs of the rack member from one another.

Claim 12

A support plate arrangement for adjusting the inclination of at least one part of a repose surface of reclining furniture, comprising two levers, means for hingedly interconnecting said two levers to form a pair of hinged levers, one of the levers being constituted by a rack member secured to the reclining furniture, said rack member having teeth and possessing a substantially U-shaped profile including leg members having leg edges provided with teeth, a slide member displaceable upon the rack member, a support lever member, means for hingedly connecting the support lever member at the other lever defining a second hinged lever, means for permitting an end of the support lever member to be guided between the leg members of the rack member such that the support lever member is movable in the slide member between a work position where it is in engagement with the teeth of the rack member and a rest position which permits the free displacement and pivoting of the levers towards one another, means provided for spreading the hinged levers from one another, said second hinged lever having a free end possessing a contact surface for the part of the repose surface which is adjustable in inclination, the rack member having ends at the region of which there is provided a respective hole for the attachment of the rack member at the furniture, each of said attachment holes opening into a slot at the underside of the rack member, wherein for the attachment of the rack member at the furniture there is provided a substantially U-shaped bracket member which can be secured to the furniture, said U-shaped bracket member having legs constructed as hooks and with the exception of a projection of each leg for engagement in one of said attachment holes the rack member possesses a thickness which substantially corresponds to the thickness of each slot of the attachment holes of the rack member, each leg having a hook mouth the width of which is approximately the same size as the outer spacing of the legs of the rack member from one another.

Claim 13

The support plate arrangement as defined in claim 10, further including additional projections as side supports of the rack member at each leg to both sides and below the hook mouth.

Claim 14

A support plate arrangement for adjusting the inclination of at least one part of a repose surface of reclining furniture, comprising two levers, means for hingedly interconnecting said two levers to form a pair of hinged levers, one of the levers being constituted by a rack member secured to the reclining furniture, said rack member having teeth and possessing a substantially U-shaped profile including leg members having leg edges provided with teeth, a slide member displaceable upon the rack member, a support lever member, means for hingedly connecting the support lever member at the other lever defining a second hinged lever, means for permitting an end of the support lever member to be guided between the leg members of the rack member such that the support lever member is movable in the slide member between a work position where it is in engagement with the teeth of the rack member and a rest position which permits the free displacement and pivoting of the levers towards one another, means provided for spreading the hinged levers from one another, said second hinged lever having a free end possessing a contact surface for the part of the respose surface which is adjustable in inclination, bearing means provided at the second hinged lever for the reception of a torsion bar, a torsion bar mounted at said bearing means and secured against rotation thereat, said bearing means serving for the connection of the support plate arrangement with a second support plate arrangement.

Claim 15

A support plate arrangement for adjusting the inclination of at least one part of a repose surface of reclining furniture, comprising two levers, means for hingedly interconnecting said two levers to form a pair of hinged levers, one of the levers being constituted by a rack member secured to the reclining furniture, said rack member having teeth and possessing a substantially U-shaped profile including leg members having leg edges provided with teeth, a slide member displaceable upon the rack member, a support lever member, means for hingedly connecting the support lever member at the other lever defining a second hinged lever, means for permitting an end of the support lever member to be guided between the leg members of the rack member such that the support lever member is movable in the slide member between a work position where it is in engagement with the teeth of the rack member and a rest position which permits the free displacement and pivoting of the levers towards one another, means provided for spreading the hinged levers from one another, said second hinged lever having a free end possessing a contact surface for the part of the respose surface which is adjustable in inclination, bearing means provided at the second hinged lever for the reception of a torsion bar, a torsion bar mounted at said bearing means and secured against rotation thereat, said bearing means serving for the connection of the support plate arrangement with a second support plate arrangement.

Claim 16

The support plate arrangement as defined in claim 12, wherein the torsion bar-bearing means comprises a body member possessing an opening configured for the reception of an end of the torsion bar to secure the same against rotation, at least one pin provided at the body member, said pin engaging in a hole of the second hinged lever for securing said body member against rotation.

Claim 17

The support plate arrangement as defined in claim 13, wherein said at least one pin engaging through a hole of the second hinged lever is constructed as a locking member.

Claim 18

The support plate arrangement as defined in claim 12, wherein the torsion bar-bearing means is arranged near to said hingedly interconnecting means for the two levers.

Claim 19

The support plate arrangement as defined in claim 1, wherein the rack member is provided with lateral guide ribs for the slide member to prevent contact thereof with the teeth of the rack member.

Claim 20

The support plate arrangement as defined in claim 1, wherein said spreading means comprises a spring arranged between both of the hinged levers and a counterweight provided at the second hinged lever.

Claim 21

The support plate arrangement as defined in claim 1, wherein said spreading means comprises a counterweight provided at the second hinged lever.

Claim 22

The support plate arrangement as defined in claim 18, wherein the second hinged lever possesses a substantially U-shaped configuration having a pair of legs affording space therebetween for accommodating the rack member and the slide member.

Claim 23

The support plate arrangement as defined in claim 19, wherein with maximum spreading of the hinged levers a web of the second hinged lever impacts against the rack member.

Claim 24

The support plate arrangement as defined in claim 18, wherein said spreading means further comprises a spring arranged between both of the hinged levers.