Binary coded key and latch-actuator

Invention Grant

US4878367A Binary coded key and latch-actuator 失效

Title translation: 二进制编码键和闩锁致动器

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Patent Title: Binary coded key and latch-actuator
Patent Title (中): 二进制编码键和闩锁致动器
Application No.: US715077

Application Date: 1985-03-22
Publication No.: US4878367A

Publication Date: 1989-11-07
Inventor: Robert H. Bisbing
Applicant: Robert H. Bisbing
Applicant Address: PA Concordville
Assignee: Southco, Inc.
Current Assignee: Southco, Inc.
Current Assignee Address: PA Concordville
Main IPC: E05B35/00
IPC: E05B35/00 ; E05B35/04

Abstract:

A tubular key and mating latch-actuator are provided in which the key has inner circumferential recesses and the latch-actuator has a stud having projections therefrom, the recesses and stud projections being arranged according to a binary-code so that each key of a series is unique.

Abstract(Chinese):

提供了一种管状键和配合闩锁致动器，其中键具有内周凹槽，并且闩锁致动器具有一个具有突起的螺柱，该凹槽和螺柱突起根据二进制代码排列，使得每个键的每个键是独一无二的

Public/Granted literature

US5671176A Semiconductor memory device including program inhibition capacitors and method for controlling program-disturb of non-selected memory cells Public/Granted day:1997-09-23

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IPC分类:

E	固定建筑物
E05	锁；钥匙；门窗零件；保险箱
E05B	锁；其附件；手铐
E05B35/00	用特殊钥匙或几个钥匙开的锁