Retractable overhead guard

Details Retractable overhead guard Retractable overhead guard

1978-06-02

1980-05-13

Mitchell, David M.

Land vehicles

Wheeled

Attachment

296102, 414914, B60J 724

Patent

active

042025656

ABSTRACT:
A retractable overhead guard assembly is provided to protect an operator of industrial trucks, such as a forklift operator, from falling objects. Said guard is retractable from a raised to a lowered position for operation in areas of low overhead clearance. A pair of substantially parallel extensible supports are attached to said truck. A guard is mounted on the upper ends of the supports and is manually slideable between a forward and rearward position and is maintained in either position by a locking mechanism. Said supports may include biasing means such as springs to counterbalance the weight of the guard and facilitate manual adjustment between raised and lowered positions. A locking mechanism is also provided on each support to retain the guard in a plurality of positions. Electrical interlocks prevent the raising of the lift beyond a predetermined height if the guard is not in the rearward and raised position where it offers maximum protection to the operator.

REFERENCES:
patent: 2263981 (1941-11-01), Dalecke et al.
patent: 3021174 (1962-02-01), Rund
patent: 3436118 (1969-04-01), Duncan
patent: 3713688 (1973-01-01), Monroe
patent: 3827532 (1974-08-01), Minich, Jr. et al.
patent: 3844382 (1974-10-01), Mecklenburg
patent: 4026597 (1977-05-01), Miller
patent: 4047750 (1977-09-01), Samide

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