Safety floor

Details Safety floor Safety floor

1986-03-17

1987-09-15

Reese, Randolph A.

Railways

Car-carried propulsion system

Electric

104288, A47B 5300

Patent

active

046931848

ABSTRACT:
A low profile safety floor for electrically powered mobile storage systems includes one or more elongated panels that span the building floor between the system rails. To each end of the panels are mounted a pair of leaf springs and a safety switch. The panels are supported above the rails by means of the leaf springs. When a person steps onto the safety floor, the panel is deflected downwardly so that a safety switch is actuated. Positive stops limit the approach of the panel toward the rails. Switch actuation deenergizes the electric motor drive powering the carriages. To prevent panel sag, the panels are manufactured as wood and steel laminates. To further inhibit sagging, the panels are forced into a permanently upwardly convex shape at manufacture.

REFERENCES:
patent: 1380615 (1921-06-01), Weaver
patent: 1710175 (1929-04-01), Mascuch
patent: 2172000 (1939-09-01), Wenker
patent: 2743487 (1951-04-01), Kuhlman
patent: 3829189 (1974-08-01), Staller
patent: 3957323 (1976-05-01), Tucker et al.
patent: 4017131 (1977-04-01), Camenisch

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