Tonneau cover securing plate having channel for lock member

Abstract

A tonneau cover apparatus for securing a flexible cover about a cargo box of a pickup truck. The apparatus comprises the flexible cover and a support frame for attachment to the cargo box. The support frame has two opposing side rails, each of which have a lock engaging surface. The support frame further includes a pair of securing plate engagement members, each of which is secured to one of the respective opposing side rails. The apparatus further comprises a flexible cover securing plate attached to the cover and having first and second ends. The flexible cover securing plate includes a channel that extends between the respective ends. The flexible cover securing plate is engageable with the respective securing plate engagement members and additionally includes at least one locking member, preferably two locking members. Each locking member is slidably secured within the channel proximate one of the ends of the flexible cover securing plate and each respective locking member is engagable with the lock engaging surface of the respective opposing side rail such that the flexible cover securing plate is prevented from disengaging with respect to the respective side rail when it is in a first position.