ATE365847T1 - IMPROVEMENTS IN MORTISE LOCKS - Google Patents

IMPROVEMENTS IN MORTISE LOCKS

Info

Publication number
ATE365847T1
ATE365847T1 AT01274397T AT01274397T ATE365847T1 AT E365847 T1 ATE365847 T1 AT E365847T1 AT 01274397 T AT01274397 T AT 01274397T AT 01274397 T AT01274397 T AT 01274397T AT E365847 T1 ATE365847 T1 AT E365847T1
Authority
AT
Austria
Prior art keywords
spring
casing
rod
follower
latch bolt
Prior art date
Application number
AT01274397T
Other languages
German (de)
Inventor
Colin Middleton
Original Assignee
Carlisle Brass Ltd
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 Carlisle Brass Ltd filed Critical Carlisle Brass Ltd
Application granted granted Critical
Publication of ATE365847T1 publication Critical patent/ATE365847T1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0013—Followers; Bearings therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0437—Attachments or mountings; Mounting of springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0448—Units of springs; Two or more springs working together

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Casings For Electric Apparatus (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Closures For Containers (AREA)

Abstract

A latch has a casing (1); a latch bolt assembly mounted in the casing and comprising a latch bolt head (5) and a latch bolt spindle (6); a follower assembly comprising a follower core (16) designed to receive the spindle of a handle, follower arms (21a, 24a) mounted on the follower core (16) and a link (11) arranged to be engaged by the follower arms (21a, 24a) and to be engaged with the latch bolt spindle (6); and a follower spring (27)arranged to act on the link (11). The spring (27) is mounted on a rod (28) which is arranged to act on the link (11). The spring (27) is mounted on a rod (28) which is arranged to extend into the casing. The rod (28) has an enlarged diameter portion (29)from which bayonet prongs (30) extend radially outwards. The rod (28) with the spring (27) mounted thereon extends through a bore (33) in a plate (32) mounted in the casing. Slots (34) extend radially outwards from the bore (33) and the bayonet prongs (30) can pass through the slots (34). The rod (28) is accessible from outside the casing through an aperture in the rear casing wall (36) whereby the rod can be engaged through said aperture and withdrawn from the casing through the aperture. The spring (27) is withdrawn with the rod (28) so that it can be changed for a stronger or weaker spring. In this manner, the strength of the spring can be chosen to meet the requirements of the latch and the spring can be changed without having to open the casing.
AT01274397T 2001-07-25 2001-07-25 IMPROVEMENTS IN MORTISE LOCKS ATE365847T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2001/003329 WO2003012229A1 (en) 2001-07-25 2001-07-25 Improvements in mortice latches

Publications (1)

Publication Number Publication Date
ATE365847T1 true ATE365847T1 (en) 2007-07-15

Family

ID=9908499

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01274397T ATE365847T1 (en) 2001-07-25 2001-07-25 IMPROVEMENTS IN MORTISE LOCKS

Country Status (7)

Country Link
EP (1) EP1412598B1 (en)
AT (1) ATE365847T1 (en)
AU (1) AU2001298023B2 (en)
DE (1) DE60129171T2 (en)
ES (1) ES2288911T3 (en)
PT (1) PT1412598E (en)
WO (1) WO2003012229A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0409384D0 (en) * 2004-04-27 2004-06-02 Middleton Colin S Improvements in mortice latches

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE640436C (en) * 1934-09-23 1937-01-04 Ludw Rocholl & Co Spring arrangement for the push-button follower, which can be re-tensioned from the forend of the lock
GB1185642A (en) * 1966-03-14 1970-03-25 Micro & Prec Mouldings Chelten Improvements in or relating to Door Latches
GB2323626B (en) * 1997-03-25 2001-06-13 Newman Tonks Group Plc Latch assembly

Also Published As

Publication number Publication date
AU2001298023B2 (en) 2008-02-07
WO2003012229A1 (en) 2003-02-13
PT1412598E (en) 2007-10-09
EP1412598A1 (en) 2004-04-28
DE60129171D1 (en) 2007-08-09
DE60129171T2 (en) 2008-03-20
EP1412598B1 (en) 2007-06-27
ES2288911T3 (en) 2008-02-01

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties