Pivoting fitting, piece of furniture, and motor vehicle seat

Abstract

A pivoting fitting is formed with first pivoting lever that is movable about an axis of rotation in relation to a second pivoting lever, and a blocking device is provided to block a rotational motion of the first pivoting lever in relation to the second pivoting lever in a first direction of rotation and to enable rotational motion in an opposite second direction of rotation in a blocking position. In addition, a switching element enables infinitely variable adjustment of the blocking position to deactivate the blocking device for an adjusting process of the first pivoting lever relative to the second pivoting lever in the first direction of rotation.

1 . A pivoting fitting, comprising:
 a first pivoting lever;   a second pivoting lever, wherein the first pivoting lever is movable about an axis of rotation in relation to the second pivoting lever;   a blocking device for blocking a rotational motion of the first pivoting lever relative to the second pivoting lever in a first direction of rotation and for enabling a rotational motion in an opposite, second direction of rotation in a blocking position; and   a switching element for infinitely variable adjustment of the blocking position to deactivate the blocking device for an adjusting process of the first pivoting lever relative the second pivoting lever in the first direction of rotation.   
     
     
         2 . The pivoting fitting according to  claim 1 , wherein the blocking device comprises a clamping axle surrounded by a loop and wherein the loop is placed in a clamping manner about the clamping axle. 
     
     
         3 . The pivoting fitting according to  claim 1 , wherein the switching element is arranged on the loop and allows a clamping fixing of the loop bout the clamping axle in a first position and permits a twisting of the loop around the clamping axle in a second position. 
     
     
         4 . The pivoting fitting according to  claim 1 , wherein one of the preceding claims, characterized in that a pivoting lever is rotatably mounted on a first arm of the loop and is in engagement with a second arm of the loop to fix the loop in the first direction of rotation on the clamping axle and to release the loop in the second direction of rotation. 
     
     
         5 . The pivoting fitting according to  claim 1 , wherein after an adjusting process, the switching element activates the blocking device to block a rotational motion of the first pivoting lever relative to the second pivoting lever. 
     
     
         6 . The pivoting fitting according to  claim 1 , further comprising a control element to actuate the switching element. 
     
     
         7 . The pivoting fitting according to  claim 6 , wherein the control element is rotatable at least in sections with the first or the second pivoting lever. 
     
     
         8 . The pivoting fitting according to  claim 6 , wherein the control element is coupled via a coupling to one of the first and the second pivoting levers. 
     
     
         9 . The pivoting fitting according to  claim 8 , wherein the control element is coupled to the first pivoting lever via the coupling, while the second pivoting lever is rotatably mounted on the loop. 
     
     
         10 . The pivoting fitting according to  claim 1 , wherein the switching element is fixable in a clamping manner in a position for deactivating the blocking device. 
     
     
         11 . The pivoting fitting according to  claim 1 , wherein the switching element is formed as a pin and wherein the pin is pretensioned by a spring in a position in which the blocking device is effective. 
     
     
         12 . The pivoting fitting according to  claim 6 , wherein the control element comprises a guide bevel to actuate the switching element during a rotational motion. 
     
     
         13 . The pivoting fitting according to  claim 4 , wherein in a projection is formed on the second pivoting lever for engaging in a receptacle on the second arm of the loop, and wherein during a rotational movement of the first pivoting lever in relation to the second pivoting lever in the first direction of rotation, the projection moves the second arm of the loop relative to the first arm to fix the loop in a clamping manner on the clamping axle. 
     
     
         14 . The pivoting fitting according to  claim 6 , wherein a rotational range of the control element is limited by one or two stops. 
     
     
         15 . The pivoting fitting according to  claim 1 , wherein the second pivoting lever is rotatably held in a slotted receptacle of the loop. 
     
     
         16 . The pivoting fitting according to  claim 14 , wherein the control element is pretensioned by a spring in a direction of rotation. 
     
     
         17 . The pivoting fitting according to  claim 1 , wherein the first lever is arranged in a rotationally fixed manner either on a pin or on a retaining section on the clamping axle. 
     
     
         18 . A piece of furniture with at least one pivoting fitting, wherein the pivotal fitting comprises:
 a first pivoting lever;   a second pivoting lever, wherein the first pivoting lever is movable about an axis of rotation in relation to the second pivoting lever;   a blocking device for blocking a rotational motion of the first pivoting lever relative to the second pivoting lever in a first direction of rotation and for enabling a rotational motion in an opposite, second direction of rotation in a blocking position; and   a switching element for infinitely variable adjustment of the blocking position to deactivate the blocking device for an adjusting process of the first pivoting lever relative the second pivoting lever in the first direction of rotation.   
     
     
         19 . A piece of furniture with at least first and second pivoting fittings, the first and second pivotal fittings comprising:
 a first pivoting lever;   a second pivoting lever, wherein the first pivoting lever is movable about an axis of rotation in relation to the second pivoting lever;   a blocking device for blocking a rotational motion of the first pivoting lever relative to the second pivoting lever in a first direction of rotation and for enabling a rotational motion in an opposite, second direction of rotation in a blocking position; and   a switching element for infinitely variable adjustment of the blocking position to deactivate the blocking device for an adjusting process of the first pivoting lever relative the second pivoting lever in the first direction of rotation,   wherein in the first pivoting fitting, the first lever is arranged in a rotationally fixed manner on the pin of the clamping axle and in the second pivoting fitting the first lever is arranged in a rotationally fixed manner on the holding section of the clamping axle.   
     
     
         20 . The piece of furniture of  claim 19 , configured as a motor vehicle seat.