Spacer insert
A spacer insert for providing spacing between a first structure and a second structure includes a head having a diameter larger than an opening in the first structure to which the spacer insert is attachable, a hollow cylindrical shaft coupled with and extending from the head that defines at least part of a connector channel, and a thread on an exterior of the hollow cylindrical shaft. The spacer insert provides a better thread engagement, is more economical to install, and is more reliable in service.
1. A spacer insert for providing spacing between a first structure and a second structure, the spacer insert comprising:
a head having a diameter larger than an opening in the first structure to which the spacer insert is attachable;
a hollow cylindrical shaft coupled with and extending from the head, the hollow cylindrical shaft defining at least part of a connector channel; and
a thread on an exterior of the hollow cylindrical shaft,
wherein the hollow cylindrical shaft is configured to receive and secure a connector in the connector channel that connects the first structure to the second structure.
2. A spacer insert according to claim 1 , wherein the thread extends to about a mid-portion of the hollow cylindrical shaft.
3. A spacer insert according to claim 2 , wherein the spacer insert is 15 mm long, and wherein the thread extends to a position 7 mm from the head.
4. A spacer insert according to claim 1 , wherein the thread is spaced from the head by an undercut.
5. A spacer insert according to claim 4 , wherein the undercut is about 0.75 mm.
6. A spacer insert according to claim 1 , further comprising a thread locker on the thread.
7. A spacer insert for providing spacing between a first structure and a second structure, the spacer insert comprising:
a head having a diameter larger than an opening in the first structure to which the spacer insert is attachable;
a hollow cylindrical shaft coupled with and extending from the head, the hollow cylindrical shaft defining at least part of a connector channel; and
a thread on an exterior of the hollow cylindrical shaft,
wherein the head comprises an exteriorly accessible shaped recess that is continuous with and forming part of the connector channel.
8. A spacer insert according to claim 7 , wherein the shaped recess comprises a hex recess.
9. A spacer insert for providing spacing between a first structure and a second structure, the spacer insert comprising:
a head having a diameter larger than an opening in the first structure to which the spacer insert is attachable;
a hollow cylindrical shaft coupled with and extending from the head, the hollow cylindrical shaft defining at least part of a connector channel; and
a thread on an exterior of the hollow cylindrical shaft,
wherein the hollow cylindrical shaft is configured to be independently secured in the second structure.