Improvements in or relating to measuring rules

摘要

890,965. Measuring-rules. STAUB, H. K. April 29, 1959, No. 14688/59. Class 106 (2). A hook rule is provided with a hook 102 pivotable from a position in which a face 106 of the hook is parallel to and offset slightly from the end edge 107 of the rule (as shown) to a position in which the face is adjacent to a ruling edge 104 of the rule.