In the meantime Peter, who had respectfully left his hat at the door, proceeded to uncase his body from the multiplied defences he had taken against the inclemency of the weather.
"Precaution"
James Fenimore Cooper
Unless he is duck-shooting down there in the hidden slough where is a great "quack-quack" of young teals, the trapper may not uncase his gun.
"The Story of the Trapper"
A. C. Laut
Say you so, then 'tis time for me to uncase.
"The Works of Aphra Behn, Vol. I (of 6)"
Aphra Behn