US 12,390,910 B2
Driving mechanism
Yao-Han Chen, Miaoli County (TW); and Chin-Chiang Chen, Miaoli County (TW)
Assigned to PORITE TAIWAN CO., LTD., Miaoli County (TW)
Filed by PORITE TAIWAN CO., LTD., Miaoli County (TW)
Filed on Sep. 12, 2024, as Appl. No. 18/882,764.
Application 18/882,764 is a division of application No. 18/164,617, filed on Feb. 6, 2023, granted, now 12,115,627.
Claims priority of application No. 111147611 (TW), filed on Dec. 12, 2022.
Prior Publication US 2025/0001562 A1, Jan. 2, 2025
Int. Cl. B25B 21/02 (2006.01); B25F 5/00 (2006.01)
CPC B25B 21/023 (2013.01) [B25B 21/02 (2013.01); B25F 5/001 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A driving mechanism, comprising:
a driving shaft defining an axial direction;
a sleeve sleeved on the driving shaft and having a first guiding groove and a second guiding groove;
an impact bulk sleeved on the sleeve;
a first guiding member being movable in the first guiding groove and being configured to have no linear movement relative to the driving shaft;
a second guiding member being movable in the second guiding groove and being configured to have no linear movement relative to the impact bulk; and
wherein the first guiding groove and the second guiding groove being configured such that when the first guiding member is moving in the first guiding groove and the second guiding member is moving in the second guiding groove, the sleeve moves in the axial direction relative to the driving shaft and the impact bulk;
wherein the driving mechanism further comprises a resilient member configured to apply a tension to the impact bulk relative to the driving shaft in the axial direction and an output shaft disposed on a side of the driving mechanism opposite to the driving shaft;
wherein the first guiding groove and the second guiding groove are spaced apart in the axial direction of the sleeve and are spaced apart by an angle in the radial direction of the sleeve; and wherein the first guiding groove is closer to the driving shaft in the axial direction than the second guiding groove and the first guiding groove passes through the sleeve;
wherein the sleeve additionally has a third guiding groove and a fourth guiding groove, and the third guiding groove is located on the opposite side of the first guiding groove and the fourth guiding groove is located on the opposite side of the second guiding groove; and wherein the driving mechanism further comprises a third guiding member configured to have no linear movement relative to the driving shaft but to move in the third guiding groove and a fourth guiding member configured to have no linear movement relative to the impact bulk but to move in the fourth guiding groove; and
wherein the first guiding member and the third guiding member are a ball.