2 examples of unbolting in sentences

I had jumped from the nettings, where I was perched, to assist in unbolting one of the carronade slides, when I slipped and capsized against a peg sticking out of one of the scuppers.

she said, impatient, unbolting the heavy door; and, willy-nilly, I followed, meeting the pack all sulking on the stairs, who rose to seize me as I came upon them.

2 examples of  unbolting  in sentences