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SCHOOL DESK HAS A WRITING TOP PIVOTALLY MOUNTED ON THE FRAME AND A RELEASABLE LATCH RETAINING THE TOP IN AN UPWARD INCLINED POSITION
SCHOOL DESK HAS A WRITING TOP PIVOTALLY MOUNTED ON THE FRAME AND A RELEASABLE LATCH RETAINING THE TOP IN AN UPWARD INCLINED POSITION
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机译:学校的桌子上有一个笔架,上面有一个笔尖,上面有一个可倾斜的闩锁
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摘要
A school desk (1) having a frame (7) and a desk top (2) with a flat writing surface (3). The desk top (2) is pivoted at its rear edge (11) and movable between a first position in which the writing surface (3) is horizontal and a second position in which the writing surface (3) is inclined. A releasable latch maintains the writing surface (3) inclined. The latch takes the form of two linkages (16, 18) each having a first link (16) and a single common link (18) which form an over-center toggle mechanism. The latch is releasable by fingers passed through an aperture (5) in the desk top (2).
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