Reference for Shabbat 275:16
ואמר שמואל משום רבי חייא
A bed too is forbidden. What about a bed? A canopy too is permitted, he replied. What about a canopy and a bed? A canopy is forbidden, replied he, while a bed is permitted. Yet there are no contradictions: when he said, A bed too is forbidden, [he meant one] like that used by the Carmanians.<span class="x" onmousemove="('comment',' Inhabitants of Carmania, a province of the ancient Persian empire, with the capital Carmana. Others: a frame used by vendors of linen garments. On both translations the frameworks were such that they were taken apart and then set up; this constitutes a forbidden labour. ');"><sup>14</sup></span> When he said to him, A canopy too is permitted, [he referred to] one like Rami b. Ezekiel['s].<span class="x" onmousemove="('comment',' I.e., one about which a cord was wound, and which he permits in this passage. ');"><sup>15</sup></span> A canopy is forbidden while a bed is permitted refers to one like ours.<span class="x" onmousemove="('comment',' V. p. 695, n. 8. ');"><sup>16</sup></span> R. Joseph said: I saw the canopy beds of R. Huna's house stretched out at night and thrown down in the morning.<span class="x" onmousemove="('comment',' Which shows that they may be taken apart — he was speaking of the Sabbath — and in the same way they may be set up ');"><sup>17</sup></span> Rab said in R. Hiyya's name: A [door] curtain may be hung up and taken down.<span class="x" onmousemove="('comment',' It is not a 'tent', since it has no roof. ');"><sup>18</sup></span> And Samuel said in R. Hiyya's name: