公开(公告)号：US3563585A

公开(公告)日：1971-02-16

申请号：US3563585D

申请日：1966-10-28

Applicant: EMHART CORP

Inventor： WELCH NICHOLAS A

IPC: E05B63/20 ,  E05B65/10 ,  E05C3/16

CPC classification number: E05B65/1066 ,  E05B17/0045 ,  E05B63/20 ,  E05B65/1006 ,  E05B65/1013 ,  Y10T292/0908 ,  Y10T292/1068 ,  Y10T292/54

Abstract: This invention relates to door locks of the type generally referred to in the trade as ''''emergency exit locks,'''' and more specifically to emergency exit locks of the vertical rod type such as generally include a top and a bottom latch unit and an intermediate, panic bar-actuated mechanism that is operatively connected to said latch units by rods disposed vertically on the door.

公开(公告)号：US3477260A

公开(公告)日：1969-11-11

申请号：US3477260D

申请日：1968-01-18

Applicant: EMHART CORP

Inventor： BALDUCCI WALTER O ,  WELCH NICHOLAS A

IPC: E05B65/10 ,  E05C15/02

CPC classification number: E05B65/1066 ,  E05B63/04 ,  Y10T70/5159 ,  Y10T70/5367 ,  Y10T292/0908

公开(公告)号：US3403380A

公开(公告)日：1968-09-24

申请号：US43700965

申请日：1965-03-01

Applicant: EMHART CORP

Inventor： WELCH NICHOLAS A

IPC: G07C9/00 ,  G07F17/14

CPC classification number: G07C9/00007 ,  G07C9/00706 ,  G07F17/145 ,  Y10T70/7057 ,  Y10T70/7073

公开(公告)号：US3324692A

公开(公告)日：1967-06-13

申请号：US39427564

申请日：1964-09-03

Applicant: EMHART CORP

Inventor： WELCH NICHOLAS A

IPC: E05B63/04 ,  E05B63/20 ,  E05B65/10

CPC classification number: E05B65/1066 ,  E05B17/0045 ,  E05B63/04 ,  E05B63/20 ,  E05B65/1006 ,  E05B65/1013 ,  Y10T70/5159

公开(公告)号：US3553877A

公开(公告)日：1971-01-12

申请号：US3553877D

申请日：1968-06-28

Applicant: EMHART CORP

Inventor： WELCH NICHOLAS A ,  FERRARA JOSEPH R

IPC: F41A17/02 ,  F41C17/00 ,  F41C17/02 ,  F41C17/08

CPC classification number: F41A17/02

Abstract: A SAFETY LOCK FOR FIREARMS HAVING A SAFETY MOVABLE TO AND FROM POSITIONS OF BLOCKING RELATIONSHIP RELATIVE TO MOVEMENT OF THE SAFETY OF THE GUN''S FIRING MECHANISM, AND A KEY LOCK CARRIED WITHIN THE STOCK OF THE GUN AND HAVING A BOLT MOVABLE IN RESPONSE TO OPERATION OF A KEY FOR SELECTIVE ENGAGEMENT WITH THE SAFETY TO PREVENT RELEASE OF THE SAFETY UNLESS THE BOLT OF SAID LOCK IS FIRST RELEASED BY OPERATION OF THE KEY.

公开(公告)号：US3463046A

公开(公告)日：1969-08-26

申请号：US3463046D

申请日：1967-12-11

Applicant: EMHART CORP

Inventor： WELCH NICHOLAS A ,  WENDT HARRY C

IPC: B21J15/04 ,  B21K1/58 ,  F16B19/10 ,  F16B13/06 ,  F16B33/04

CPC classification number: B21K1/60 ,  B21J15/043 ,  F16B19/1054 ,  F16B19/1072 ,  Y10S411/967 ,  Y10T29/49917 ,  Y10T29/49929 ,  Y10T29/4994 ,  Y10T29/49956

公开(公告)号：US3314708A

公开(公告)日：1967-04-18

申请号：US39739464

申请日：1964-09-18

Applicant: EMHART CORP

Inventor： WELCH NICHOLAS A

IPC: E05B17/00

CPC classification number: E05B17/0058 ,  Y10S292/27 ,  Y10T292/59 ,  Y10T292/865

公开(公告)号：US3271982A

公开(公告)日：1966-09-13

申请号：US38957164

申请日：1964-08-14

Applicant: EMHART CORP

Inventor： WELCH NICHOLAS A

IPC: E05B65/10

CPC classification number: E05B65/1066 ,  Y10T70/5159 ,  Y10T292/0908