Dog (engineering)
Videos
In engineering, a dog is a tool or part of a tool, such as a pawl, that prevents or imparts movement through physical engagement. It may hold another object in place by blocking it, clamping it, or ot
Shutter dog
Hatch dogs around a door on the R/V Knorr
A bench vise with its dog extended, holding (without using the dog) a wooden bench dog being worked
Straight-leg lathe dogs (carriers)
Compartment (ship)
Videos
A compartment is a portion of the space within a ship defined vertically between decks and horizontally between bulkheads. It is analogous to a room within a building, and may provide watertight subdi
Dog (engineering)
…Ladder dogs secure the sections of an extension ladder at a given height by engaging on its rungs, and are secured in place by spring-loaded pawls. The watertight doors that allow passage through bulkheads between compartments inside a ship can be closed during emergencies to seal off one compartment from another, thus…
Transverse bulkheads appear horizontally in this photo of the battleship USS South Dakota (BB-57) under construction.
These compartments are formed by non-structural bulkheads.
A watertight hatch with the door dogs clearly visible