Latch device in a vehicle

A latch device comprising a spring 10 biased latch 5 pivotal from a disengaged position in which the latch disengages from a striker to an engaged position in which the latch engages the striker. A pivotal locking plate (pawl) 6 having hook 61 to retain the latch in the engaged position. The latch h...

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Bibliographic Details
Main Authors NAOYA SETO, KIYOHIKO KAMATA
Format Patent
LanguageEnglish
Published 07.09.2011
Subjects
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
PERFORMING OPERATIONS
SAFES
SEATS SPECIALLY ADAPTED FOR VEHICLES
TRANSPORTING
VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR
VEHICLES IN GENERAL
WINDOW OR DOOR FITTINGS
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Summary:A latch device comprising a spring 10 biased latch 5 pivotal from a disengaged position in which the latch disengages from a striker to an engaged position in which the latch engages the striker. A pivotal locking plate (pawl) 6 having hook 61 to retain the latch in the engaged position. The latch has a limiting portion 57 which contacts the locking plate at 63 to prevent contact between hook of pawl 6 from contacting the latch 5. Upon engagement with the striker the latch rotates and limiting portion 57 disengages from the pawl 6 to allow rotation of the pawl and hook 61 to engage the latch. The contact portion 63 of locking plate may be on an elongate arm 62; the limiting and contact portions may comprise a pin 57 following an arcuate surface 63; the centre point of the arc being the pivot 9 of the latch such that the force exerted is directed centrifugally. The location of the pin and arc may be interchanged, see fig.15. Ensuring there is no contact and pawl 6 is kept separate from latch 5 during rotation of the latch minimizes any resistance due to friction between the latch and the pawl. A pivotal cam plate 7 may be provided to engage the latch and move the latch into an overrunning position.
Bibliography:Application Number: GB20100008798