Roof assembly for a convertible motor vehicle

A roof assembly for a convertible motor vehicle, the assembly comprising

• a roof configured to be placed in contact with a frame of the motor vehicle in a closed roof position so as to close a passenger compartment of the motor vehicle from the top, and
• a manual locking device carried by the roof and configured to be manually operated when the roof is in the closed roof position according to a first operating mode, according to which the manual locking device cooperates with the frame to carry out a first constraining action in order to secure the roof to the frame in the closed roof position, and according to a second operating mode, according to which the locking device refrains from cooperating with the frame, thus removing the first constraining action, and
• an additional locking device carried by the roof and configured to automatically exert a second constraining action to secure the roof to the frame at least in response to a positioning or a movement of the roof into the closed roof position, the additional locking device comprising release means configured to be manually operated in order to remove the second constraining action,
• wherein the manual locking device (5) comprises at least one lock bolt (8) comprising
• a guide body, which is fixed relative to the frame, extends along a straight axis and has a hole along the straight axis, and
• a pin coupled to the guide body so as to slide along the straight axis inside the hole between two lock bolt positions and configured to engage and disengage, respectively, a pin seat obtained on the frame when the pin is in one and in the other one of said two lock bolt positions, so that the engagement of the pin in the pin seat carries out the first constraining action, and
• a knob fixed relative to the pin and projecting relative to the guide body along a first axis transversal to said straight axis through a slot obtained on the guide body and communicating with the hole, the knob being suitable for being grabbed by the user to move the pin between the two lock bolt positions.