Material or article handling – Elevator or hoist and loading or unloading means therefor – Comprising device on carrier to move or carry load laterally...
Patent
1986-02-10
1987-04-07
Werner, Frank E.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Comprising device on carrier to move or carry load laterally...
414607, 414785, 414497, 414280, B60P 102
Patent
active
046556729
ABSTRACT:
A no crease system for a push/pull attachment on a lift truck for avoiding damaging loads. A gripper having a bar and a shoe for gripping and releasing a slip sheet carrying a load is provided with a control circuit for closing the gripper to the gripping position when the push plate is extended for protecting the load from damage by an open gripper. The circuit includes a valve connected to the push/pull attachment and actuated by the push/pull attachment when the push plate is fully extended. The valve may be deactuated by a control switch.
REFERENCES:
patent: 2590355 (1952-03-01), Turner et al.
patent: 2601932 (1952-07-01), Turner
patent: 2619241 (1952-11-01), Jessen
patent: 2672249 (1954-03-01), Ulinski
patent: 2996204 (1961-08-01), Jensen
patent: 4482286 (1984-11-01), Farmer
Lane Kenneth R.
Sinclair Stuart W.
Long Reach Manufacturing Co.
Werner Frank E.
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