Patent ID: 9687973
Date: 2017-06-27
CPC Classifications: B25B

Claim:
1. A screw releasing device with a guiding function comprising: a first housing defining a first receiving groove; and a control mechanism received in the first receiving groove, and comprising a first cam, a second cam, and a third cam comprising a serrated member, the first cam and the third cam limited by the second cam, wherein the first cam is configured to pass through the second cam, and a portion of the first cam extends out from the first housing and a side of the second cam; the first housing defining a guiding hole from a top to a bottom of the first housing, wherein the guiding hole receives a plurality of screws and has a sidewall defining a first opening configured to align with the serrated member; wherein, when the first cam is not driven, the serrated member extends to the guiding hole via the first opening, so that the serrated member is at a supporting location and supports a bottommost screw, and when the first cam of the control mechanism is driven in response to an external force, the first cam drives the third cam, so that the third cam is not limited by the second cam and rotates relative to the second cam, whereby the serrated member of the third cam is rotated to release the bottommost screw; wherein the screw releasing device further comprises: a second housing fixed on a sidewall of the first housing, the second housing defining a second receiving groove and a second opening; and a driving mechanism received in the second receiving groove, and a portion of the driving mechanism extending out from the second opening; wherein the second cam is fixed on the bottom of the second housing, the first cam passes through the second cam, and partially extends to the second receiving groove, to align with the driving mechanism, the driving mechanism is in contact with the first cam in response to the external force applied to the driving mechanism, and drives the first cam to push the third cam to be out of the limit of the second cam, the serrated member of the third cam is rotated to release the bottommost screw.