Tongue assembly
First Claim
1. A tongue assembly for use in a safety apparatus in which a belt restrains movement of an occupant of a vehicle, said tongue assembly comprising:
- a base having a leading end portion , a trailing end portion and a connector portion extending at an angle between said leading and trailing end portions, said leading end portion including a latching section for connection to a cooperating part and having the terminal end of said base, said leading end portion having a first major side surface extending form the terminal end of said base and lying in a first plane, said tailing end portion having a second major side surface lying in a second plate which is offset from and parallel to the first plane, said base having an opening which extends through said leading end portion and through said connector portion, said trailing end portion having a clamping edge spaced from said leading end portion and which is least partially defines said opening; and
a lock bar slidable along said leading end portion and said connector portion of said base, said lock bar having first and second end portions and an intermediate portion extending between said first and second end portions and spanning said opening;
said lock bar having a first portion disposed at least partially on said connector portion and adjacent said clamping edge, and a second position in which said lock bar is disposed on said first major side surface on said leading end portion and spaced apart from said clamping edge.
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Accused Products
Abstract
A tongue assembly for use in a three-point continuous loop seat belt system is freely slidable along the belt to enable use of a light retractor spring. The tongue assembly includes a lock bar slidable along a base. The base has a flat leading end portion, a parallel offset trailing end position, and a connector section extending at an angle between the leading and trailing end portions. Whe the tongue assembly is engaged with the buckle, the belt wraps around the lock bar, and the lock bar is slid along the angled connector portion of the base toward the trailing end portion. The belt is clamped between the lock bar and the trailing end portion, to restrain the vehicle occupant. When the tongue assembly is disengaged from the buckle, the belt extends through the tongue assembly in such a manner that the belt may move freely through the tongue assembly. Since the belt may move freely through the tongue assembly, the retractor wind-up spring need not be strong enough to lift both the belt and the tongue assembly, and a light retractor spring may be used.
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Citations
9 Claims
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1. A tongue assembly for use in a safety apparatus in which a belt restrains movement of an occupant of a vehicle, said tongue assembly comprising:
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a base having a leading end portion , a trailing end portion and a connector portion extending at an angle between said leading and trailing end portions, said leading end portion including a latching section for connection to a cooperating part and having the terminal end of said base, said leading end portion having a first major side surface extending form the terminal end of said base and lying in a first plane, said tailing end portion having a second major side surface lying in a second plate which is offset from and parallel to the first plane, said base having an opening which extends through said leading end portion and through said connector portion, said trailing end portion having a clamping edge spaced from said leading end portion and which is least partially defines said opening; and a lock bar slidable along said leading end portion and said connector portion of said base, said lock bar having first and second end portions and an intermediate portion extending between said first and second end portions and spanning said opening; said lock bar having a first portion disposed at least partially on said connector portion and adjacent said clamping edge, and a second position in which said lock bar is disposed on said first major side surface on said leading end portion and spaced apart from said clamping edge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A tongue assembly for use in a safety apparatus in which a belt restrains movement of an occupant of a vehicle, said tongue assembly comprising:
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a base having a leading end portion, a trailing end portion and a connector portion extending at an angle between said leading and trailing end portions, said leading end portion including a latching section for connection to a cooperating part and having the terminal end of said base, said leading end portion having a first major side surface extending from the terminal end of said base and lying in a first plane, said trailing end portion having a second major side surface lying in a second plane which is offset from and parallel to the first plane, said base having an opening which extends through said leading end portion and through said connector portion, said trailing end portion having a clamping edge spaced from said leading end portion and which at least partially defines said opening; and a lock bar slidable along said leading end portion and said connector portion of said base, said lock bar having first and second end portions and an intermediate portion extending between said first and second end portion s and spanning said opening; said lock bar having a first position disposed at least partially on said connector portion and adjacent said clamping edge and a second position in which said lock bar is disposed on said leading end portion and spaced apart from said clamping edge, said lock bar being disposed at an angle to the first and second planes when said lock bar is in said first position, and said lock bar being disposed upon said first major side surface on said leading end portion and parallel to the first and second planes when said lock bar is in said second position; said opening enabling the belt to pass through said tongue assembly with a first and second planes when said lock bar is in said second position; said bar clamping the belt between said clamping edge on said base and said intermediate portion of said bar when said lock bar is in said first position.
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Specification