George B Quinlan

6409452, Jun 25, 2002

Jul 12, 2000

09/614352

Michael A. Zibella - Hudson NY
Mark S. Lounsbury - Wassaic NY
David P. Bresson - North Canton OH
George D. Quinlan - Valatie NY

Overhead Door Corporation - Dallas TX

B65G 6702

414401

A vehicle restraint apparatus includes a frame supporting an articulated arm assembly which is pivotable between a retracted or stored position and an extended operative position for engagement with the ICC bar or other restraint member connected to a truck or truck trailer. An electric motor driven linear actuator is connected to the arm assembly to move the arm assembly between its stored position and a working position. The linear actuator may be a power screw and nut mechanism operably connected to a tubular sleeve member which is connected at one end to the arm assembly and is sleeved over a linearly extensible member of the actuator. The actuator is operable to retract the linearly extensible member when the arm assembly is in its working position to allow floating motion of the truck or truck trailer doing loading and/or unloading operations. The arm assembly is biased into its working position by a gas spring. The apparatus includes a control system for causing the actuator to extend the arm assembly and then retract to a position to allow movement of the arm assembly.

62056069, Mar 27, 2001

Jun 29, 1999

9/343989

Michael A. Zibella - Hudson NY
Mark S. Lounsbury - Wassaic NY
George D. Quinlan - Valatie NY

Overhead Door Corporation - Dallas TX

E01D1/00

14 713

A vertically storable dock leveler apparatus includes a generally planar ramp member mounted on a frame by a hinge connection which includes spaced apart hinge plates secured to the frame, each having hinge pin receiving bores formed therein. An elongated cylindrical hinge pin is secured to the ramp and extends through the receiving bores of the hinge plates. The ramp is provided with elongated clearance slots formed therein providing clearance for the hinge plates when the ramp is assembled to the frame. Linearly extensible gas springs are interconnected between the ramp and the frame for biasing the ramp toward a vertically oriented stored position. An elongated actuating member is adapted to be releasably connected to a member mounted on one lateral edge of the ramp and also disposed in a socket member mounted on the frame for use in moving the ramp between working and stored positions and for retaining the ramp in its stored position, respectively. The ramp and actuating member may be secured together with a padlock to lock the ramp in the stored position.