US 2014/0360235 A1 · VEHICLE DOOR LATCH ASSEMBLY

Abstract

A vehicle door latch assembly including a vehicle door latch having a ratchet and pawl combination. The vehicle door latch assembly also includes a key receiver in which a key is rotatable. In addition, the vehicle door latch assembly includes a key receiver mechanical advantage means that is mechanically connected to the key receiver. The key receiver is operatively connected mechanically via the key receiver mechanical advantage means to the ratchet and pawl combination for release of the ratchet and pawl combination under movement of at least a part of the key receiver when mechanically engaged by the key.

Claims10

Dependent claims

1-7. (canceled)

A vehicle door latch assembly (118) comprising:

a vehicle door latch (120) comprising:
a base (126) comprising a body (128) and a fishmouth slot (130 in the body (128) in which at least part of a striker (124) is receivable;
a ratchet gear (132) comprising a slot (134), the ratchet gear (132) being pivotably mounted on the base (126) and positionable to at least partially align the slot (134) thereof with the fishmouth slot (130);
the ratchet gear (132) being pivotable between a closed position, in which the striker (124) is capturable by the ratchet gear (132), and an open position, in which the slot (134) in the ratchet gear (132) is at least partially aligned with the fishmouth slot (130) to release the striker (124), the ratchet gear (132) being biased to the open position:
a primary pawl (136) movable between a secured position, in which the primary pawl (136) locates the ratchet gear (132) in the closed position, and an unsecured position, in which the primary pawl (136) is positioned to permit the ratchet gear (132) to move the open position thereof;
a primary lever (138) to which the primary pawl (136) is connected, the primary lever (138) being movable between a first position, in which the primary lever (138) holds the primary pawl (136) in the secured position thereof, and a second position, in which the primary lever (138) locates the primary pawl (136) in the unsecured position thereof, the primary lever (138) being biased to the second position;
an auxiliary pawl (140) movable between an engaged position, in which the auxiliary pawl (140) holds the primary lever (138) in the first position thereof, and a disengaged position, in which the auxiliary pawl (140) is disengaged from the primary lever (138) to permit the primary lever (138) to move the second position thereof, the auxiliary pawl (140) being biased to the engaged position;
an electrical motor (141) operatively connected to the ratchet gear (132), the primary lever (138) and the auxiliary pawl (140) for release and reset thereof;
an auxiliary lever (143) movable to a reset position, in which the auxiliary lever (143) urges the primary lever (138) to the first position thereof, and to an inactive position, in which the auxiliary lever (143) permits the primary lever (138) to move to the second position thereof;
and
a key lever (146), for mechanically transmitting rotation from a key cylinder (150) for moving the key lever (146) to a first active position, in which the key lever (146) urges the auxiliary pawl (140) to the disengaged position thereof, and to a second active position, in which the key lever (146) urges the auxiliary lever (143) to the reset position thereof.

8 more elements

A vehicle door latch assembly (118) comprising:

a vehicle door latch (120) comprising a ratchet and pawl combination (121), wherein the ratchet and pawl combination (121) comprises:
a ratchet gear (132) movable between a closed position, in which a striker (124) is at least partially capturable by the ratchet gear (132), and an open position, in which the striker (124) is releaseable by the ratchet gear (132);
a primary pawl (136) movable between a secured position, in which the primary pawl (136) locates the ratchet gear (132) in the closed position, and an unsecured position, in which the primary pawl (136) is position to permit the ratchet gear (132) to move the open position thereof;
a primary lever (138) to which the primary pawl (136) is connected, the primary pawl (136) being movable between a first position, in which the primary lever (138) holds the primary pawl (136) in the secured position thereof, and a second position, in which the primary lever (138) locates the primary pawl (136) in the unsecured position thereof, the primary lever (138) being biased to the second position thereof;
an auxiliary pawl (140) movable between an engaged position, in which the auxiliary pawl (140) holds the primary lever (138) in the first position thereof, and a disengaged position, in which the auxiliary pawl (140) is disengaged from the primary lever (138) to permit the primary lever (138) to move to the second position thereof, the auxiliary pawl (140) being biased to the engaged position;
an electrical motor (141) operatively connected to the ratchet and pawl combination (121) for release and reset of the ratchet and pawl combination (121);
a key receiver (150) in which a key (122) is rotatable;
and
a key receiver mechanical advantage means (151) mechanically connected to the key receiver (150), wherein the key receiver (150) is operatively connected mechanically via the key receiver mechanical advantage means (151) to the ratchet and pawl combination (121) for release and reset of the ratchet and pawl combination (121) under movement at least a part (152) of the key receiver (150) when mechanically engaged by the key (122).

6 more elements

A vehicle door latch assembly (118) comprising:

a ratchet gear (132) movable between a closed position in which a striker (124) is capturable thereby and an open position in which the striker (124) is releasable thereby, the ratchet gear (132) being biased to the open position;
a primary pawl (136) movable between a secured position, in which the primary pawl locates the ratchet gear (132) in the closed position, and an unsecured position, in which the primary pawl (136) is positioned to permit the ratchet gear (132) to move to the open position thereof;
a primary lever (138) to which the primary pawl (136) is connected, the primary lever (138) being movable between a first position, in which the primary lever (138) holds the primary pawl (136) in the secured position thereof, and a second position, in which the primary lever (138) locates the primary pawl (136) in the unsecured position thereof, the primary lever (138) being biased to the second position;
an auxiliary pawl (140) movable between an engaged position, in which the auxiliary pawl (140) holds the primary lever (138) in the first position thereof, and a disengaged position, in which the auxiliary pawl (140) is disengaged from the primary lever (138) to permit the primary lever (138) to move to the second position thereof, the auxiliary pawl (138) being biased to the engaged position;
an electrical motor (141) operatively connected to the ratchet gear (132), the primary pawl (136), the primary lever (138), and the auxiliary pawl (140) for the release and reset thereof;
an auxiliary lever (143) movable to a reset position, in which the auxiliary lever (143) urges the primary lever (138) to the first position thereof, and to an inactive position, in which the auxiliary lever (143) permits the primary lever (138) to move to the second position thereof;
and
a key lever (146), for mechanically transmitting rotation from a key cylinder (150) for moving the key lever (146) to a first active position, in which the key lever (146) urges the auxiliary pawl (140) to the disengaged position thereof, and to a second active position, in which the key lever (146) urges the auxiliary lever (143) to the reset position thereof.

5 more elements

Dependencies are inferred from the claim text.

Abstract

Claims10

Dependent claims

1-7. (canceled)

A vehicle door latch assembly (118) comprising:

a vehicle door latch (120) comprising:
a base (126) comprising a body (128) and a fishmouth slot (130 in the body (128) in which at least part of a striker (124) is receivable;
a ratchet gear (132) comprising a slot (134), the ratchet gear (132) being pivotably mounted on the base (126) and positionable to at least partially align the slot (134) thereof with the fishmouth slot (130);
the ratchet gear (132) being pivotable between a closed position, in which the striker (124) is capturable by the ratchet gear (132), and an open position, in which the slot (134) in the ratchet gear (132) is at least partially aligned with the fishmouth slot (130) to release the striker (124), the ratchet gear (132) being biased to the open position:
a primary pawl (136) movable between a secured position, in which the primary pawl (136) locates the ratchet gear (132) in the closed position, and an unsecured position, in which the primary pawl (136) is positioned to permit the ratchet gear (132) to move the open position thereof;
a primary lever (138) to which the primary pawl (136) is connected, the primary lever (138) being movable between a first position, in which the primary lever (138) holds the primary pawl (136) in the secured position thereof, and a second position, in which the primary lever (138) locates the primary pawl (136) in the unsecured position thereof, the primary lever (138) being biased to the second position;
an auxiliary pawl (140) movable between an engaged position, in which the auxiliary pawl (140) holds the primary lever (138) in the first position thereof, and a disengaged position, in which the auxiliary pawl (140) is disengaged from the primary lever (138) to permit the primary lever (138) to move the second position thereof, the auxiliary pawl (140) being biased to the engaged position;
an electrical motor (141) operatively connected to the ratchet gear (132), the primary lever (138) and the auxiliary pawl (140) for release and reset thereof;
an auxiliary lever (143) movable to a reset position, in which the auxiliary lever (143) urges the primary lever (138) to the first position thereof, and to an inactive position, in which the auxiliary lever (143) permits the primary lever (138) to move to the second position thereof;
and
a key lever (146), for mechanically transmitting rotation from a key cylinder (150) for moving the key lever (146) to a first active position, in which the key lever (146) urges the auxiliary pawl (140) to the disengaged position thereof, and to a second active position, in which the key lever (146) urges the auxiliary lever (143) to the reset position thereof.

8 more elements

A vehicle door latch assembly (118) comprising:

a vehicle door latch (120) comprising a ratchet and pawl combination (121), wherein the ratchet and pawl combination (121) comprises:
a ratchet gear (132) movable between a closed position, in which a striker (124) is at least partially capturable by the ratchet gear (132), and an open position, in which the striker (124) is releaseable by the ratchet gear (132);
a primary pawl (136) movable between a secured position, in which the primary pawl (136) locates the ratchet gear (132) in the closed position, and an unsecured position, in which the primary pawl (136) is position to permit the ratchet gear (132) to move the open position thereof;
a primary lever (138) to which the primary pawl (136) is connected, the primary pawl (136) being movable between a first position, in which the primary lever (138) holds the primary pawl (136) in the secured position thereof, and a second position, in which the primary lever (138) locates the primary pawl (136) in the unsecured position thereof, the primary lever (138) being biased to the second position thereof;
an auxiliary pawl (140) movable between an engaged position, in which the auxiliary pawl (140) holds the primary lever (138) in the first position thereof, and a disengaged position, in which the auxiliary pawl (140) is disengaged from the primary lever (138) to permit the primary lever (138) to move to the second position thereof, the auxiliary pawl (140) being biased to the engaged position;
an electrical motor (141) operatively connected to the ratchet and pawl combination (121) for release and reset of the ratchet and pawl combination (121);
a key receiver (150) in which a key (122) is rotatable;
and
a key receiver mechanical advantage means (151) mechanically connected to the key receiver (150), wherein the key receiver (150) is operatively connected mechanically via the key receiver mechanical advantage means (151) to the ratchet and pawl combination (121) for release and reset of the ratchet and pawl combination (121) under movement at least a part (152) of the key receiver (150) when mechanically engaged by the key (122).

6 more elements

A vehicle door latch assembly (118) comprising:

a ratchet gear (132) movable between a closed position in which a striker (124) is capturable thereby and an open position in which the striker (124) is releasable thereby, the ratchet gear (132) being biased to the open position;
a primary pawl (136) movable between a secured position, in which the primary pawl locates the ratchet gear (132) in the closed position, and an unsecured position, in which the primary pawl (136) is positioned to permit the ratchet gear (132) to move to the open position thereof;
a primary lever (138) to which the primary pawl (136) is connected, the primary lever (138) being movable between a first position, in which the primary lever (138) holds the primary pawl (136) in the secured position thereof, and a second position, in which the primary lever (138) locates the primary pawl (136) in the unsecured position thereof, the primary lever (138) being biased to the second position;
an auxiliary pawl (140) movable between an engaged position, in which the auxiliary pawl (140) holds the primary lever (138) in the first position thereof, and a disengaged position, in which the auxiliary pawl (140) is disengaged from the primary lever (138) to permit the primary lever (138) to move to the second position thereof, the auxiliary pawl (138) being biased to the engaged position;
an electrical motor (141) operatively connected to the ratchet gear (132), the primary pawl (136), the primary lever (138), and the auxiliary pawl (140) for the release and reset thereof;
an auxiliary lever (143) movable to a reset position, in which the auxiliary lever (143) urges the primary lever (138) to the first position thereof, and to an inactive position, in which the auxiliary lever (143) permits the primary lever (138) to move to the second position thereof;
and
a key lever (146), for mechanically transmitting rotation from a key cylinder (150) for moving the key lever (146) to a first active position, in which the key lever (146) urges the auxiliary pawl (140) to the disengaged position thereof, and to a second active position, in which the key lever (146) urges the auxiliary lever (143) to the reset position thereof.

5 more elements

Dependencies are inferred from the claim text.

Vehicle door latch assembly

Life of this patent

Abstract

Claims10

Vehicle door latch assembly

Life of this patent

Abstract

Claims10