| 发明名称 | Safety knife | ||
| 摘要 | A safety knife comprises a knife body (10), a blade carrier (16) movable within the knife body (10) between a retracted position and an extended position, biasing means (24) urging the blade carrier (16) towards its retracted position, latch means to latch the blade carrier (16) in its extended position, and a weight (36) movable along a passage (32) relative to the knife body (10) and engageable with release means (40) to release the latch means. | ||
| 申请公布号 | US8839523(B2) | 申请公布日期 | 2014.09.23 |
| 申请号 | US201013146984 | 申请日期 | 2010.02.02 |
| 申请人 | WA1 Designs Limited;The Safety Knife Co., Ltd. | 发明人 | Ireland William;Marshall Peter Jonathan |
| 分类号 | B26B1/08;B26B5/00 | 主分类号 | B26B1/08 |
| 代理机构 | Andrus Intellectual Property Law, LLP | 代理人 | Andrus Intellectual Property Law, LLP |
| 主权项 | 1. A safety knife comprising a knife body, a blade carrier movable within the knife body between a retracted position and an extended position, biasing means urging the blade carrier towards its retracted position, latch means to latch the blade carrier in its extended position, and a weight enclosed within and freely slideable with and movable relative to the knife body along an elongate passage formed inside the knit body and engageable with release means to release the latch means, wherein a spring is provided at an end of the elongate passage remote from the release means, movement of the weight along the elongate passage away from the release means into engagement with the spring causing the weight to rebound towards the release means with minimal loss of energy. | ||
| 地址 | Somerset GB | ||