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Title: Retaining latch for a water pit gate

Abstract

A retaining latch is described for use in a hazardous materials storage or handling facility to adjustably retain a water pit gate in a gate frame. A retaining latch is provided comprising a latch plate which is rotatably mounted to each end of the top of the gate and a recessed opening, formed in the gate frame, for engaging an edge of the latch plate. The latch plate is circular in profile with one side cut away or flat, such that the latch plate is D-shaped. The remaining circular edge of the latch plate comprises steps of successively reduced thickness. The stepped edge of the latch plate fits inside a recessed opening formed in the gate frame. As the latch plate is rotated, alternate steps of the latch plate are engaged by the recessed opening. When the latch plate is rotated such that the flat portion of the latch plate faces the recessed opening in the gate frame, there is no connection between the opening and the latch plate and the gate is unlatched from the gate frame. 4 figs.

Inventors:
Issue Date:
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
567175
Patent Number(s):
5,688,003
Application Number:
PAN: 8-694,576
Assignee:
Dept. of Energy, Washington, DC (United States) PTO; SCA: 420205; PA: EDB-98:018527; SN: 98001896351
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 18 Nov 1997
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; STORAGE FACILITIES; FASTENERS; CLOSURES; HAZARDOUS MATERIALS; WASTE WATER; DESIGN; OPERATION

Citation Formats

Beale, A.R. Retaining latch for a water pit gate. United States: N. p., 1997. Web.
Beale, A.R. Retaining latch for a water pit gate. United States.
Beale, A.R. Tue . "Retaining latch for a water pit gate". United States.
@article{osti_567175,
title = {Retaining latch for a water pit gate},
author = {Beale, A.R.},
abstractNote = {A retaining latch is described for use in a hazardous materials storage or handling facility to adjustably retain a water pit gate in a gate frame. A retaining latch is provided comprising a latch plate which is rotatably mounted to each end of the top of the gate and a recessed opening, formed in the gate frame, for engaging an edge of the latch plate. The latch plate is circular in profile with one side cut away or flat, such that the latch plate is D-shaped. The remaining circular edge of the latch plate comprises steps of successively reduced thickness. The stepped edge of the latch plate fits inside a recessed opening formed in the gate frame. As the latch plate is rotated, alternate steps of the latch plate are engaged by the recessed opening. When the latch plate is rotated such that the flat portion of the latch plate faces the recessed opening in the gate frame, there is no connection between the opening and the latch plate and the gate is unlatched from the gate frame. 4 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1997},
month = {11}
}