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A fastening for double doors or casement windows; employs vertical rods that move up and down to engage the top and bottom of the frame.



Related Terms

DRIP CONNECTION

The vertical length of pipe connecting the bottom of the steam supply main to the return piping.

FLOOR

Vertical transverse plate immediately above the bottom shell plating, often located at every frame, extending from bilge to bilge.

PILLARS

provide a means of transferring loads between decks and fastening together the structure in a vertical directions.

BITT

  1. A post or pair mounted on the ship's bow, for fastening ropes or cables.
  2. Strong vertical timbers or irons fastened through the deck beams used for securing ropes or hawsers.

BOTTOM DUMP

A construction wagon with movable gates in the bottom to allow vertical discharge of its contents.

SCOPE

The ratio of length of anchor rode in use to the vertical distance from the bow of the vessel to the bottom of the water. Usually six to seven to one for calm weather and more scope in storm conditions.

CENTER VERTICAL KEEL

A vertical plate on the ship's centerline between the flat keel and inner bottom extending the length of the ship. Also called center vertical keel, CVK. Or center keelson.

HEAD LOG

The vertical stem plate connecting the bottom to deck of a square- stemmed barge.

CENTER KEELSON

A vertical plate on the ship's centerline between the flat keel and inner bottom extending the length of the ship. Also called center vertical keel, CVK. Or center keelson.

CENTER GIRDER

A vertical plate on the ship's centerline between the flat keel and inner bottom extending the length of the ship. Also called center vertical keel, CVK. Or center keelson.

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