Depth adjustment mechanism
View Patent ↗A depth adjustment mechanism, disposed on a router, is enabled using a worm drive that includes a shaft member engaging with a rack member. The shaft member couples with a sleeve disposed on a base of the router. The rack member is coupled with a motor casing of the router. The depth adjustment mechanism enables a user selectable engagement of the shaft member with the rack member. A rotating member, which is coupled with the shaft member, is engaged by a user to displace the shaft member relative to the rack member. The selective engagement of the shaft member with the rack member and rotation enabled by the rotating member enables continuous metered depth adjustment for the router.
1. A depth adjustment mechanism for a power tool having a motor casing adjustably received in a base, the depth adjustment mechanism comprising:
a rotation member;
a threaded shaft member coupled with the rotation member, and being received within a sleeve coupled to the base;
a rack member coupled with the casing, the rack member being selectively engaged by the threaded shaft member; and
a biasing assembly including a clamp with an arm that clamps over at least one of the threaded shaft member and the rack member to enable selective engagement of the threaded shaft member with the rack member,
wherein the threaded shaft member and the rack member, when engaged, enable depth adjustment of the motor casing relative to the base.
2. The depth adjustment mechanism of claim 1 , wherein the threaded shaft member is a spirally threaded shaft member which is removable from the sleeve.
3. The depth adjustment mechanism of claim 1 , fhrther comprising a micro adjust collar.
4. The depth adjustment mechanism of claim 1 , wherein the biasing assembly comprises a biasing handle adjustably coupled wiht the sleeve.
5. The depth adjustment mechanism of claim 4 , wherein the biasing handle is adjustably coupled with the base.
6. The dept adjustment mechanism of claim 1 , wherein the biasing assembly comprises a first biasing handle and a second biasing handle.
7. The depth adjustment mechanism of claim 1 , wherein the sleeve includes a fastening assembly.
8. The depth adjustment mechanism of claim 1 , wherein the sleeve comprises a first rib and a second rib.
9. A router assembly, comprising:
a motor casing coupled with a base; and
a depth adjustment mechanism enabling adjustment of the motor casing relative to the base along an axis, wherein the depth adjustment mechanism comprises
a rotation member rotatably coupled to the base and movable axially relative to the casing,
an engaging member coupled to the casing and movable axially relative to the base;
a biasing assembly including a clamp with an arm that clamps over at least one of the rotation member and the engaging member and that enables selective engagement of the rotation member with the engaging member to enable adjustment of the motor casing relative to the base along the axis.
10. The router assembly of claim 9 , wherein the motor casing is removable from the base.
11. The router assembly of claim 9 , wherein the rotation member, is removable from the base.
12. The router assembly of claim 9 , further comprising a micro adjust collar.
13. The router assembly of claim 9 , wherein the base includes a fastening assembly.
14. The router assembly of claim 9 , wherein the base comprises a first rib and a second rib.
15. A router table assembly, comprising:
a router table;
a router assembly coupled with the router table, wherein the router assembly comprises:
a motor casing adjustably coupled with a base; and
a depth adjustment mechanism providing adjustment of the motor casing relative to the base along an axis, wherein the depth adjustment mechanism comprises
a rotation member rotatably coupled to the base and movable axially relative to the casing,
an engaging member coupled to the casing and movable axially relative to the base, and
a biasing assembly including a clamp with an arm that clamps over at least one of the rotation member and the engaging member and that enables selective engagement of the rotation member with the engaging member to enable adjustment of the motor casing relative to the base along the axis.
16. The router table assembly of claim 15 , wherein the motor casing is removable from the base.
17. The router table assembly of claim 15 , wherein the rotation member, is removable from the base.
18. The router table assembly of claim 15 , further comprising a micro adjust collar.
19. The router table assembly of claim 15 , wherein the base includes a fastening assembly.
20. The router table assembly of claim 15 , wherein the base comprises a first rib and a second rib.
21. The depth adjustment mechanism of claim 1 wherein the rotation member is movable axially relative to the casing.
22. The depth adjustment mechanism of claim 1 wherein the rack member is movable axially relative to the base.
23. The depth adjustment mechanism of claim 1 wherein the rotation member is coupled to the base so as not to move axially relative to the base.
24. The depth adjustment mechanism of claim 1 wherein the thread engaging member is coupled to the casing so as not to move axially relative to the casing.
25. The router assembly of claim 9 wherein the rotation member comprises a threaded portion that is engageable with the engaging member.
26. The router assembly of claim 25 wherein the engaging member comprises a rack that is engageable with the threaded portion.
27. The router table assembly of claim 15 wherein the rotation member comprises a threaded portion that is engageable with the engaging member.
28. The router table assembly of claim 27 wherein the engaging member comprises a rack that is engageable with the threaded portion.
29. A depth adjustment mechanism for a power tool having a motor casing movably received in a base for depth adjustment, the depth adjustment mechanism comprising:
a rotation member rotatably coupled to the base and movable axially relative to the casing,
an engaging member coupled to the casing and movable axially relative to the base;
a biasing assembly including a clamp with an arm that clamps over at least one of the rotation member and the engaging member and that enables selective engagement of the rotation member with the engaging member to enable the adjustment of the motor casing relative to the base.
30. The depth adjustment mechanism of claim 29 wherein the rotation member comprises a threaded portion that is engageable with the engaging member.
31. The depth adjustment mechanism of claim 30 wherein the engaging member comprises a rack that is engageable with the threaded portion.
32. The depth adjustment mechanism of claim 29 wherein the rotation member is coupled to the base so as not to move axially relative to the base.
33. The depth adjustment mechanism of claim 29 wherein the thread engaging member is coupled to the casing so as not to move axially relative to the casing.