In buildings pintles and gudgeons are used for working shutters. This will allow for smoother operation of the helm and preserve the pintles and gudgeons. New seals and pintles were installed. Pintles - the "pins" on which hinges swing. Hinges - Mate with the Pintles and are mounted on the shutter. There is a rudder with pintles on the leading edge, inserted into gudgeons. The pintles are, by definition, mounted to the structure. Pintles are offered in various configurations to match different installation situations.