Sliding-pivoting mechanism for a shelf of a piece of furniture or household appliance for pulling out and lifting the shelf from a body of the piece of furniture or household appliance, comprising - at least two pivot arms (4, 5) which can be pivotably fixed to the body and are arranged parallel to one another and which form a parallel guide for a pull-out guide, - wherein the pull-out guide comprises at least one guide rail and a running rail which is displaceable relative to the guide rail and to which the shelf is fastened, - a locking mechanism arranged on the guide rail and on one of the pivot arms (4, 5) to prevent simultaneous pivoting and sliding movement, - wherein the locking mechanism comprises a locking pin movably arranged on one of the pivot arms (4, 5), and a locking plate which is mounted in a stationary manner relative to the guide rail and with which the locking pin cooperates in such a way that a pivoting of the pivot arms (4, 5) is blocked when the shelf is raised to an upper loading and unloading position, - an unlocking device coupled to the locking mechanism and having an actuating element and an unlocking element (85, 85'), with which the locking pin can be moved from a blocking position to a release position, - wherein the actuating element being designed as a handle which can be tilted about a horizontal pivot axis and is coupled to the unlocking element via a connecting lever, - characterized in that the unlocking element is designed as an L-shaped lever rotatably arranged on the connecting lever and having a first leg and a second leg oriented at an angle to the first leg, - wherein the locking pin can be pressed out of a locking groove of the locking plate by tilting the unlocking element with the first leg. - at least two pivot arms (4, 5) which can be pivotably fixed to the body and are arranged parallel to one another and which form a parallel guide for a pull-out guide, - wherein the pull-out guide comprises at least one guide rail and a running rail which is displaceable relative to the guide rail and to which the shelf is fastened, - a locking mechanism arranged on the guide rail and on one of the pivot arms (4, 5) to prevent simultaneous pivoting and sliding movement, - wherein the locking mechanism comprises a locking pin movably arranged on one of the pivot arms (4, 5), and a locking plate which is mounted in a stationary manner relative to the guide rail and with which the locking pin cooperates in such a way that a pivoting of the pivot arms (4, 5) is blocked when the shelf is raised to an upper loading and unloading position, - an unlocking device coupled to the locking mechanism and having an actuating element and an unlocking element (85, 85'), with which the locking pin can be moved from a blocking position to a release position, - wherein the actuating element being designed as a handle which can be tilted about a horizontal pivot axis and is coupled to the unlocking element via a connecting lever, - characterized in that the unlocking element is designed as an L-shaped lever rotatably arranged on the connecting lever and having a first leg and a second leg oriented at an angle to the first leg, - wherein the locking pin can be pressed out of a locking groove of the locking plate by tilting the unlocking element with the first leg.