B - Operations – Transporting – 26 – B
Patent
B - Operations, Transporting
26
B
30/65
B26B 5/00 (2006.01) B26B 1/08 (2006.01)
Patent
CA 1086483
ABSTRACT A retractable blade knife adapted for use selectively with either the long narrow standard type of blade having score lines for breaking off successive end portions when worn and a large hole at its rear end or the shorter wider type of blade, sometimes double ended, with one or more smaller holes. The knife has a two part blade carrier. One part slides longitudinally relative to the other into -two click positions. In each of these positions the upper part can pivot at its front end relative to the lower part. The rear end of the upper part is spring-biased away from the lower part to engage detent means on the upper part with detent means on the casing to locate the blade carrier. The front part has two bosses of different diameters, the small diameter boss projecting above the large diameter boss. All the blades lie in the same plane in the casing when in use respectively. The lower blade carrier part provides two pivotal support heights for the front end of the upper blade carrier part in the two click positions. The lower support height positions the smaller boss to engage the shorter, wider type of blade. The upper support height positions the larger boss to engage the long narrow type of blade.
320053
Marks & Clerk
Stanley Tools Limited
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