US 12,459,069 B2
Suction device for a releasable connection to a hand-held power tool
Fritz Schlegel, Stuttgart (DE); and Holger Froehling, Stuttgart (DE)
Assigned to Robert Bosch GmbH, Stuttgart (DE)
Filed by Robert Bosch GmbH, Stuttgart (DE)
Filed on Aug. 16, 2023, as Appl. No. 18/450,898.
Claims priority of application No. 10 2022 209 164.7 (DE), filed on Sep. 2, 2022.
Prior Publication US 2024/0075572 A1, Mar. 7, 2024
Int. Cl. B25D 17/20 (2006.01); B23Q 11/00 (2006.01)
CPC B23Q 11/0046 (2013.01) [B23Q 11/0071 (2013.01); B25D 17/20 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A suction device for a releasable connection to a hand-held power tool, the device comprising:
a housing;
a drive unit arranged in the housing and configured to generate a suction flow; and
at least one locking unit configured to mechanically couple with the hand-held power tool, the locking unit comprising:
at least one locking element configured to directly lock with the hand-held power tool;
at least one actuating element configured to release the lock of the at least one locking element;
a further locking element configured to directly lock with the hand-held power tool; and
a further actuating element configured to release the lock of the further locking element,
wherein at least one of the actuating element and the locking element is arranged at least partially adjacent to the drive unit,
wherein the locking element and the actuating element are integrally formed and together form a locking lever,
wherein the further locking element and the further actuating element are integrally formed and together form a further locking lever, and
wherein the locking unit comprises at least two spring elements that pretension the locking lever and the further locking lever independently of each other.