Improvements in or relating to engineer's drilling jigs and the like

摘要

969,783. Drill Jigs. D. B. VALLANCE. Aug. 22, 1962 [Aug. 22, 1961],- No-. 30160/61.` Heading B3C. A drill jig comprises a base 21, a vee block 22 adjustable in a slot 45 for supporting work 23, and a clamp- 10 having drill bushes 16, 17 therein. An adjustable work stop 43 is slidable in a bore 40, and a second vee block 44 is provided to support overhanging work. The clamp can be set in three positions, as shown, or aligned with bores 47, 49, or 46, 48.