1963 Pontiac Catalina 1963年龐迪克Catalina

????無支柱式硬頂或硬頂敞篷車在設(shè)計上省去了車前門后的車頂支撐件，因此看起來像一輛車頂抬升起來的敞篷車,。部分類似龐迪克（Pontiac）的車型則將敞篷理念做了更進(jìn)一步的發(fā)揮,，將車頂設(shè)計得宛如一個抬升起來的帆布車頂。這種設(shè)計所潛藏的安全性問題以及在新型單片式車身生產(chǎn)線上遭遇的生產(chǎn)難題導(dǎo)致無支柱式硬頂車型在1978年宣告壽終正寢,。

1963 Pontiac Catalina

????Pillarless hardtops or hardtop convertibles, which omitted the roof support behind the front door, were designed to look like a convertible with the top raised. Some, like this Pontiac, took the convertible look even further, shaping the roof to resemble a raised canvas top. Safety concerns and manufacturing difficulties with new unibody assembly spelled the end of the pillarless hardtop style by 1978.