Shabbos17: 1
כָּל הַכֵּלִים נִטָּלִין בַּשַּׁבָּת וְדַלְתוֹתֵיהֶן עִמָּהֶן, אַף־עַל־פִּי שֶׁנִּתְפָּרְקוּ בַשַּׁבָּת; שֶׁאֵינָן דּוֹמִין לְדַלְתוֹת הַבַּיִת, לְפִי שֶׁאֵינָן מִן הַמּוּכָן.
All utensils may be taken on the Sabbath and their doors with them, even though they were detached on the Sabbath; for they are not like house doors, which are not prepared.