GB190219618A - Improvements in or connected with Locks and Catches. - Google Patents

Improvements in or connected with Locks and Catches.

Info

Publication number
GB190219618A
GB190219618A GB190219618DA GB190219618A GB 190219618 A GB190219618 A GB 190219618A GB 190219618D A GB190219618D A GB 190219618DA GB 190219618 A GB190219618 A GB 190219618A
Authority
GB
United Kingdom
Prior art keywords
bolt
withdrawn
door
spring
key
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Ernest Richard Royston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190219618A publication Critical patent/GB190219618A/en
Expired legal-status Critical Current

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Abstract

19,618. Royston, E. R., [Krohn, E. H. F.]. Sept. 8. Locks, key; latches.- The latch bolt d for a door &c. is pivoted to a bar divided into two parts c, f, the part c being operated by the follower of a handle. The part f is pressed downwards, by a spring e, into contact with the end of a spring - guided bolt g. The key for operating the locking-bolt h is provided with projections b for moving the bolt g, in addition to the bit a for moving the bolt h. In locking the door, the bolt g is moved downwards, and the spring e presses the part f out of engagement with the part c so that the latch bolt cannot be withdrawn by turning the handle. Should the bolt h be withdrawn, without the bolt g being moved upwards, then the door cannot be opened as the bolt d cannot be moved. When the bolt g is moved upwards, the part f is forced into engagement with the part c, and the bolt d can be withdrawn. The bitts for operating the bolt g may be formed on a separate key. The plate carrying the bolt g is cut away instead of being provided with a keyhole.
GB190219618D 1902-09-08 1902-09-08 Improvements in or connected with Locks and Catches. Expired GB190219618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190219618T 1902-09-08

Publications (1)

Publication Number Publication Date
GB190219618A true GB190219618A (en) 1903-06-11

Family

ID=32364413

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190219618D Expired GB190219618A (en) 1902-09-08 1902-09-08 Improvements in or connected with Locks and Catches.

Country Status (1)

Country Link
GB (1) GB190219618A (en)

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