Door-locking arrangement

Claim 2

In a vehicle body having a door member swingably mounted thereon for movement between an open position exposing a door opening in said body and a closed position closing said door opening, said door member having a latch member Thereon operable to releasably maintain said door member in said closed position and including a locking lever movable between locked and unlocked position which locking lever automatically returns to said locking position upon movement of said door member to said closed position, a locking lever control arrangement comprising an internal control member, means mounting said internal control member on said door member for accessibility from inside of said body in said closed position of said door member and for movement relative to the latter between at least three distinct positions, an external control member, means mounting said external control member on said door member for accessibility from outside of said body in said closed position of said door member and for movement relative to the latter between at least two distinct positions, means operably connecting said external control member to said locking lever so that movement of the former between said two positions moves said locking lever between said locked and unlocked positions, blocking means on said door member selectively operable to block movement of said external control member, transmission means, and link means operably connecting said internal control member to said transmission means and connecting said transmission means to said blocking means and to said locking lever, said internal control member being operable upon movement to one of said three positions to move said locking lever to said unlocked position and upon movement to another of said three positions to operate said blocking means to block movement of said external control member.

Claim 3

In a vehicle body having a door member swingably mounted thereon for movement between an open position exposing a door opening in said body and a closed position closing said door opening, said door member having a latch member thereon operable to releasably maintain said door member in said closed position and including a locking lever movable between locked and unlocked positions which locking lever automatically returns to said locked position upon movement of said door member to said closed position, a locking lever control arrangement comprising an internal control member, means mounting said internal control member on said door member for accessibility from inside of said body in said closed position of said door member and for movement relative to the latter between at least three distinct positions, an external control member, means mounting said external control member on said door member for accessibility from outside of said body in said closed position of said door member and for movement relative to the latter between at least two distinct positions, means operably connecting said external control member to said locking lever so that movement of the former between said two positions moves said locking lever between said locked and unlocked positions, a blocking member, means mounting said blocking member on said door member for pivotal movement between an unblocking and a blocking position wherein said blocking member prevents movement of said external control member, a bellcrank assembly including first and second levers, means mounting each of said first and second levers on said door member for pivotal movement relative to each other about a common axis of said door member, means on said first and second levers operable to couple said levers together for unitary movement in one direction, a first draft link operably connecting said internal control member and one end of said first lever, a second draft link operably connecting said blocking member and the other end of said first lever, and a third draft link operably connecting said second lever and said locking lever, said internal control member upon movement to one of said three positions being operable to pivot said first and second levers in said one direction thereby pivoting said locking lever from said locked to said unlocked position and upon movement to another of said three positions Being operable to pivot said first lever in the other direction thereby pivoting said blocking member into said blocking position to prevent movement of said external control member, and said locking lever upon movement from said unlocked to said locked position being operable to pivot said first lever in said one direction thereby moving said internal control member to a third of said three positions.

Claim 4

In a vehicle body having a door member swingably mounted thereon for movement between an open position exposing a door opening in said body and a closed position closing said door opening, said door member having a latch member thereon operable to releasably maintain said door member in said closed position and including a locking lever movable between locked and unlocked positions which locking lever automatically returns to said locked position upon movement of said door member to said closed position, a locking lever control arrangement comprising an internal control member, means mounting said internal control member on said door member for accessibility from inside of said body in said closed position of said door member and for movement relative to the latter between at least three distinct positions, an external control member, means mounting said external control member on said door member for accessibility from outside of said body in said closed position of said door member and for movement relative to the latter between at least two distinct positions, means operably connecting said external control member to said locking lever so that movement of the former between said two positions moves said locking lever between said locked and unlocked positions, a blocking member, means mounting said blocking member on said door member for pivotal movement between an unblocking and a blocking position wherein said blocking member prevents movement of said external control member, a bellcrank assembly including first and second levers, means mounting each of said first and second levers on said door member for pivotal movement relative to each other about a common axis of said door member, means on said first and second levers operable to couple said levers together for unitary movement in one direction, a first draft link operably connecting said internal control member and one end of said first lever, a second draft link operably connecting said blocking member and the other end of said first lever, and a third draft link operably connecting said second lever and said locking lever, said internal control member upon movement to one of said three positions being operable to pivot said first and second levers in said one direction thereby pivoting said locking lever from said locked to said unlocked position and upon movement to another of said three positions Being operable to pivot said first lever in the other direction thereby pivoting said blocking member into said blocking position to prevent movement of said external control member, and said locking lever upon movement from said unlocked to said locked position being operable to pivot said first lever in said one direction thereby moving said internal control member to a third of said three positions.

Claim 5

The locking lever control arrangement as recited in claim 2 further including a lock cylinder housing fixedly secured to said door member, a lock cylinder assembly mounted in said housing for rotation between locking, unlocking and neutral positions, and means operably connecting said lock cylinder assembly and said blocking member so that rotation of the former from said neutral to said locking position pivots said blocking member from said unblocking to said blocking position and rotation of said lock cylinder assembly from said neutral to said unlocking position pivots said blocking member from said blocking to said unblocking position.

Claim 6

In a vehicle body having a door member swingably mounted thereon for movement between an open position exposing a door opening in said body and a closed position closing said door opening, said door member having a latch member thereon operable to releasably maintain said door member in said closed position and including a locking lever movable between locked and unlocked positions which locking lever automatically returns to said locked position upon movement of said door member to said closed position, a locking lever control arrangement comprising an internal control member, means mounting said internal control member on said door member for accessibility from inside of said body in said closed position of said door member and for movement relative to the latter between at least three distinct positions, an external control member, means mounting said external control member on said door member for accessibility from outside of said body in said closed position of said door member and for movement relative to the latter between at least two distinct positions, a first transfer lever rotatably mounted on said door member, a second transfer lever fixedly secured to said external control member for unitary movement therewith, said second transfer lever being engageable with said first transfer lever upon movement of said external control member between said two positions to rotate said first transfer lever, a third transfer lever rotatably mounted on said door member, means operably connecting said locking lever to said third transfer lever, a connecting link operably connecting said first and third transfer levers so that movement of said external control member between said two positions is operable to move said locking lever between said locked and said unlocked positions, a blocking member, means mounting said blocking member on said door member for pivotal movement between an unblocking and a blocking position wherein said blocking lever prevents movement of said external control member, a lock cylinder housing fixedly secured to said door member, a lock cylinder assembly mounted in said housing for rotation between locking, unlocking and neutral positions, means operably connecting said lock cylinder assembly and said blocking member so that rotation of the former from said neutral to said locking position pivots said blocking member from said unblocking to said blocking position and rotation of said lock cylinder assembly from said neutral to said unlocking position pivots said blocking member from said blocking to said unblocking position, a bellcrank assembly including first and second levers, means mounting each of said first and second levers on said door member for pivotal movement relative to each other about a common axis of said door member, means on said first and second levers operable to couple said levers together for unitary movement in one direction, a first draft link operably connecting said internal controL member and one end of said first lever, a second draft link operably connecting said blocking member and the other end of said first lever, and a third draft link operably connecting said second lever and said locking lever, said internal control member upon movement to one of said three positions being operable to pivot said first and second levers in said one direction thereby pivoting said locking lever from said locked to said unlocked position and upon movement to another of said three positions being operable to pivot said first lever in the other direction thereby pivoting said blocking member into said blocking position to prevent movement of said external control member, and said locking lever upon movement from said unlocked to said locked position being operable to pivot said first lever in said one direction thereby moving said internal control member to a third of said three positions.

Claim 7

In a vehicle body having a door member swingably mounted thereon for movement between an open position exposing a door opening in said body and a closed position closing said door opening, said door member having a latch member thereon operable to releasably maintain said door member in said closed position and including a locking lever movable between locked and unlocked positions which locking lever automatically returns to said locked position upon movement of said door member to said closed position, a locking lever control arrangement comprising an internal control member, means mounting said internal control member on said door member for accessibility from inside of said body in said closed position of said door member and for movement relative to the latter between at least three distinct positions, an external control member, means mounting said external control member on said door member for accessibility from outside of said body in said closed position of said door member and for movement relative to the latter between at least two distinct positions, a first transfer lever rotatably mounted on said door member, a second transfer lever fixedly secured to said external control member for unitary movement therewith, said second transfer lever being engageable with said first transfer lever upon movement of said external control member between said two positions to rotate said first transfer lever, a third transfer lever rotatably mounted on said door member, means operably connecting said locking lever to said third transfer lever, a connecting link operably connecting said first and third transfer levers so that movement of said external control member between said two positions is operable to move said locking lever between said locked and said unlocked positions, a blocking member, means mounting said blocking member on said door member for pivotal movement between an unblocking and a blocking position wherein said blocking lever prevents movement of said external control member, a lock cylinder housing fixedly secured to said door member, a lock cylinder assembly mounted in said housing for rotation between locking, unlocking and neutral positions, means operably connecting said lock cylinder assembly and said blocking member so that rotation of the former from said neutral to said locking position pivots said blocking member from said unblocking to said blocking position and rotation of said lock cylinder assembly from said neutral to said unlocking position pivots said blocking member from said blocking to said unblocking position, a bellcrank assembly including first and second levers, means mounting each of said first and second levers on said door member for pivotal movement relative to each other about a common axis of said door member, means on said first and second levers operable to couple said levers together for unitary movement in one direction, a first draft link operably connecting said internal controL member and one end of said first lever, a second draft link operably connecting said blocking member and the other end of said first lever, and a third draft link operably connecting said second lever and said locking lever, said internal control member upon movement to one of said three positions being operable to pivot said first and second levers in said one direction thereby pivoting said locking lever from said locked to said unlocked position and upon movement to another of said three positions being operable to pivot said first lever in the other direction thereby pivoting said blocking member into said blocking position to prevent movement of said external control member, and said locking lever upon movement from said unlocked to said locked position being operable to pivot said first lever in said one direction thereby moving said internal control member to a third of said three positions.