Ex Parte Jensen - Page 7




               Appeal No. 2003-0677                                                                           Page 7                   
               Application No. 09/759,950                                                                                              


               supported by an angle bracket 81 mounted on the gear edge of truck platform                                             
               80.  A recess 83 forms a downwardly facing surface that rests on the bracket 81.                                        
               Latch lever 72 is constantly urged upwardly towards the latched position by a tension                                   
               spring 82 connected between a hole 84 in the lever and a hole 86 in the end of a                                        
               bracket 88 the latter being attached to frame mounting brackets 23.  As shown in Figure                                 
               4, an angle bracket 150 is mounted on the edge of truck platform 80 and a                                               
               corresponding recess 152 is formed on lift platform 34.                                                                 


                       In operation of Randall's loading apparatus, platform 34 is manually moved from                                 
               the tailgate forming position of Figure 5 to the platform level position of Figure 4 but the                            
               latch mechanism of Figure 3 must first be released by depressing foot lever 70.  Upon                                   
               actuation of the control lever 90 towards the rear of the apparatus, or to the left in                                  
               Figure 3, power cylinder 60 will drain permitting platform 34 to drop downwardly to the                                 
               ground level or loading position.  In order to lift a load placed on lift platform 34 from the                          
               ground level or loading position of Figure 6, an electric motor is energized by actuating                               
               the control lever 90 forwardly, or to the right as seen in Figure 3, which connects the                                 
               power cylinder 60 with the outlet of a pump 170 to raise the lift platform 34.  When                                    
               control lever 90 is actuated towards the rear of the apparatus, to a centered position,                                 
               pressurized fluid is trapped in the power cylinder 60 and thus the load supporting                                      
               platform 34 can be arrested at the bed level or unloading position of Figure 4 or at any                                








Page:  Previous  1  2  3  4  5  6  7  8  9  10  11  12  13  14  Next 

Last modified: November 3, 2007