SECURITY CART

摘要

A security cart includes a rear wall, a wheeled base frame connected to the rear wall and a base shelf pivotable between a horizontal position and a raised position. A first sidewall and a first door pivotally connected to the first sidewall are movable from locked positions with the base shelf to a folded position forwardly of the rear wall. A second sidewall and a second door pivotally connected to the second sidewall are movable from locked positions to a folded position forwardly of the folded first sidewall and first door. The base shelf is movable from the horizontal position to the raised position, and retained against the folded first sidewall and the first door and the folded second sidewall and second door.

主权项

1. A security cart movable among transport, loading and collapsed conditions comprising:
a rear wall having a pair of side extensions projecting forwardly therefrom and a bottom supporting member extending forwardly from the rear wall in support of the side extensions; a base frame having a pair of diverging limbs interconnected together at front ends thereof by a front cross piece, the limbs having front ends provided with a set of front wheels and rear ends provided with a set of rear wheels supported beneath the bottom supporting member of the rear wall; a base shelf supported in a horizontal load-bearing position upon the base frame and pivotally mounted about a rear edge of the bottom supporting member of the rear wall for movement to a raised position; a first sidewall pivotally connected to one of the side extensions of the rear wall and to the bottom supporting member, the first sidewall being pivoted between a first position locked and supported on one side edge of the base shelf, and a second position folded parallel to the rear wall; a first door pivotally attached to the first sidewall, the first door being pivoted between a first position locked over a front edge of the base shelf, and a second position unlocked from the base shelf and folded with the first sidewall parallel to the rear wall; a second sidewall pivotally connected to the other of the side extensions of the rear wall and to the bottom supporting member, the second sidewall being pivoted between a first position locked and supported on another side edge of the base shelf, and a second position folded parallel to the rear wall and forwardly of the first door in its second position; a second door pivotally attached to the second sidewall, the second door being pivoted between a first position locked over the front edge of the base shelf, and a second position unlocked from the base shelf and folded with the second sidewall parallel to the rear wall and forwardly of the first sidewall in its second position; and the base shelf being pivoted from the horizontal position to the raised position for retaining the first sidewall, the first door, the second sidewall and the second door in their second positions when the cart is in the collapsed condition.