JQuery :: Selected Elements Based On Checkbox

I have the following HTML. I wish to select all the second column elements for only rows where the input is checked. For instance, if row 1 and row 3 was checked, I would want to select the td elements which contain row1_column2 and row3_column2.

<table><thead><tr>
<th><input type="checkbox" value="" class="checkAll" /></th>
<th>Col1</th>
<th>Col2</th>
<th>Col3</th>
</tr></thead><tr>
<td><input type="checkbox" name="cb[]" value="1" /></td>
<td>row1_column2</td>
<td>row1_column3</td>
</tr><tr>
<td><input type="checkbox" name="cb[]" value="2" /></td>
<td>row2_column2</td>
<td>row2_column3</td>
</tr><tr>
<td><input type="checkbox" name="cb[]" value="3" /></td>
<td>row3_column2</td>
<td>row3_column3</td>
</tr></table>