FIELD: drawing boards; sheet clamps. SUBSTANCE: proposed clamp has rod with press head on end installed in drawing board hole for displacement. Press head is made in form of flat leaf spring whose backward tilted section engages with spring lock. With clamp pressed on, lock secured from back side of board operates for holding the sheet. EFFECT: enhanced reliability of rod locking at preserved convenience in use. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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