Spacer rack for smoke detecton having separable sections

Details Spacer rack for smoke detecton having separable sections Spacer rack for smoke detecton having separable sections

1992-07-22

1993-09-21

Joyce, Harold

Ventilation

Chimney or stack

454370, F23J 1108

Patent

active

052463974

ABSTRACT:
A narrow chimney-like airflow space between vertical columns of stacked, palletized loads is created by a narrow rectangular shaft of open mesh wire creating a narrow vertical passage extending the full height of the columns of palletized loads up which smoke can travel by convection to reach a smoke detector and trigger an alarm. The shaft is formed by a pair of L-shaped elements connected by detachable means whereby the elements can be separated and nested for compact storage.

REFERENCES:
patent: 114534 (1871-05-01), Dole
patent: 2735568 (1956-02-01), Bitney
patent: 2821029 (1958-01-01), Simons
patent: 3071045 (1963-01-01), Budd
patent: 3157106 (1964-11-01), Leach
patent: 3800686 (1974-04-01), Otsuka et al.

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