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US 4,927,196 AGranted
Power-assisted rotary bolt lock
AssigneeVachette
InventorsJoel Girard, Christian Wattebled
Life of this patent
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AssigneeVachette
InventorsJoel Girard, Christian Wattebled
Estimating the term…
The lock (S), intended in particular for an automobile door, includes a rotary bolt (1) intended for cooperation with a keeper (2), and includes motive means arranged to assist at least the closure, as well as manual control means enabling the assurance of the opening and closure of the assisting motive means; it includes a transmission device (T) of the freewheel type (17), mounted in a recess (18) of the bolt (1) and arranged to communicate to the bolt a rotational movement originating in the assist means for the direction that corresponds to the closure of the lock (S); anti-lock means are arranged to be actuated by the manual control means, with a view to preventing the normal action of locking the freewheel (17), and uncoupling the bolt from the assist means in the event of failure of these means.
A lock device of the type used with an automobile door, lid or trunk or the like, comprising a rotary bolt means for cooperation with a keeper, motor assist means for assisting rotation of said bolt means at least during locking movement of the locking device, manual control means for operating said bolt means, said manual control means being operable in the event of failure of said motor assist means, transmission means operatively connected to said motor assist means for imparting rotation to said bolt means in a locking direction, said manual control means including an anti-locking device for preventing operation of said transmission means to thereby disengage said bolt means from said motor assist means in the event of failure of said motor assist means, said transmission means comprising a free wheel rotatably mounted adjacent said bolt means concentrically therewith and having means for rotatably driving said bolt means.
A lock device of the type used with an automobile door, lid or trunk or the like, comprising a rotary bolt means for cooperation with a keeper, motor assist means for assisting rotation of said bolt means at least during locking movement of the locking device, manual control means for operating said bolt means, said manual control means being operable in the event of failure of said motor assist means, transmission means operatively connected to said motor assist means for imparting rotation to said bolt means in a locking direction, said manual control means including an anti-locking device for preventing operation of said transmission means to thereby disengage said bolt means from said motor assist means in the event of failure of said motor assist means, said transmission means comprising a free wheel rotatably mounted adjacent said bolt means concentrically therewith and having means for rotatably driving said bolt means, said bolt means including a central recess and said free wheel being disposed in said recess, said recess having a perimeter provided with notches and said free wheel having at least one pawl means carried therein and movable into and out of engagement with one of said notches, said free wheel having elastic means for urging said one pawl into engagement with a said one of said notches, said free wheel being connected to a drive shaft with said motor assist means being provided for driving said drive shaft.
Dependencies are inferred from the claim text.