发明名称 SAFETY INTERLOCK SYSTEM FOR FASTENER DRIVING TOOL
摘要 A fastener driving tool having a power mechanism operable during a fastener driving stroke to drive a fastener into a workpiece when an operator depresses a manually operable trigger and a safety member is in an actuated position. A safety mechanism for the fastener driving tool includes an interlock mechanism associated with the trigger and the safety member that assures that (1) the trigger will not be depressed from its standby position to its actuated position unless the safety member is moved to its actuated position; (2) the safety member will be locked into its standby position if the trigger is depressed prior to the safety member being depressed against the workpiece; (3) the trigger will be permitted to return toward its standby position even though the safety member is not fully engaged against the workpiece so that the fastener driving tool is reset to a static condition; (4) the trigger is permitted to return to its rest position only when the safety member is in its actuating position; and (5) the safety member will be prevented from returning from its actuated position to its standby position while the trigger is still in its firing position. In order to accomplish these safety interlock functions, the trigger has a trigger rod and the safety member has a series of reliefs into which the trigger rod may become lodged depending on the relative positions of the trigger and the safety member.
申请公布号 CA2042497(A1) 申请公布日期 1991.11.16
申请号 CA19912042497 申请日期 1991.05.14
申请人 DUO-FAST CORPORATION 发明人 MEYER, ROBERT J.
分类号 B25C1/04;B25C1/00;B25C7/00;(IPC1-7):B25C1/00;B25C5/10;B25F5/00 主分类号 B25C1/04
代理机构 代理人
主权项
地址