Drainage channel with locking grate

Details Drainage channel with locking grate Drainage channel with locking grate

1988-02-25

1990-11-13

Massie, Jerome W.

Road structure, process, or apparatus

Drain or gutter

404 4, 521695, 210163, E01F 500

Patent

active

RE0334391

ABSTRACT:
A slotted grate (2) is provided for being positioned in and covering the opening of the channel body (1) of a drainage channel. Anchor means are provided for detachably securing grate (2) to channel body (1) and include a bolt (4) rotatably mounted on grate (2) and having an end (14) extending into channel body (1). A locking strap (5) is carried transversely by bolt (4) for rotation within channel body (1) into and out of proximity to the walls (7,7') of channel body (1). Locking blocks (8, 8') are carried by walls (7,7') and secure locking strap (5) within locking blocks (8,8') upon rotation of locking strap (5) in one direction, and permit detachment of locking strap (5) upon rotation of locking block (5) in the other direction. Therefore, grate (2) can be easily and quickly secured to or detached from channel body (1), as desired.

REFERENCES:
patent: 1060693 (1913-05-01), Mueller
patent: 1324981 (1919-12-01), Roesch
patent: 1458391 (1923-06-01), Burton
patent: 2312155 (1943-02-01), Flaxman
patent: 3319384 (1967-05-01), Berg
patent: 3418781 (1968-12-01), Penote
patent: 3561307 (1971-02-01), Mortensen
patent: 3860089 (1975-01-01), Huggett
patent: 4472078 (1984-09-01), Karbstein
patent: 4498807 (1985-02-01), Kirkpatrick et al.
patent: 4560009 (1985-12-01), Lindbeck
patent: 4640643 (1987-02-01), Williams
Polydrain, Inc. "Surface Drainage Made Sample", brochure, 9-83, p. 3.

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