Body restraint system

A restraint system for restraining a person in a road vehicle including a strap retaining and cam release assembly with a body having a bottom wall, a side wall, an interior wall, an open strap lug chamber inside the body and between the bottom wall and the interior wall, a right shoulder strap lug aperture through the body side wall and into the open strap lug chamber, a left shoulder strap lug aperture through the body side wall and into the open strap lug chamber, a right lap strap lug aperture through the body side wall and into the open strap lug chamber, a left lap strap lug aperture through the body side wall and into the open strap lug chamber, a leg strap lug aperture through the body side wall and into the open strap lug chamber and in communication with other strap lug apertures to allow foreign material to fall from the strap lug chamber, a cam actuator rotatably mounted in the body, a cam plate mounted in the body adjacent to a side of the interior wall and outside the open strap lug chamber, at least five retainer pin apertures through the cam plate, at least five retainer pin apertures through the interior wall each of which is in axial alignment with one of the retainer pin apertures through the cam plate, a retainer pin mounted in each pair of axially aligned retain pin apertures through the interior wall and the cam plate and extending into the open strap lug chamber, a cam surface on the cam plate that is engageable with the cam actuator and is operable to move the cam plate away from the interior wall in response to movement of the cam actuator, a spring for biasing each retainer pin toward the bottom wall of the body, a cam chamber cover attached to the body which preloads the springs for biasing the retainer pins, a handle connected to the cam actuator and operable to rotate the cam actuator, move the cam plate away from the interior wall and move a plurality of the retainer pins away from the bottom wall and to compress the springs that bias the retainer pins that are away from the bottom wall;

• a right shoulder strap with one end adapted to anchor to the vehicle, a right shoulder strap lug on the other end of the right shoulder strap with a tongue passing through the right shoulder strap lug aperture and retained in the open strap lug chamber by one of the retainer pins and having a portion that passes over the right shoulder and down the right side of the chest of a person being restrained;
• a left shoulder strap with one end adapted to anchor to the vehicle, a left shoulder strap lug on the other end of the left shoulder strap with a tongue passing through the left shoulder strap lug aperture and retained in the open strap lug chamber by one of the retainer pins and having a portion that passes over the left shoulder and down the left side of the chest of a person being restrained;
• a right lap strap with one end adapted to anchor to the vehicle, a right lap strap lug on the other end of the right lap strap with a tongue passing through the right lap strap lug aperture and retained in the open strap lug chamber by one of the retainer pins and having a potion that passes over the right side of the pelvis of a person being restrained;
• a left lap strap with one end adapted to anchor to the vehicle, a left lap strap lug on the other end of the left lap strap with a tongue passing through the left lap strap lug aperture and retained in the open strap lug chamber by one of the retainer pins and having a portion that passes over the left side of the pelvis of a person being restrained;
• and a leg strap for the prevention of submarining with one end attached to the right lap strap, the other end attached to the left lap strap, a portion which extends from the right lap strap under the right leg up between both legs, a portion which extends from left lap strap under the left leg up between both legs and wherein the portion of the leg strap that extends up between both legs is attached to a leg strap lug with a tongue passing through the leg strap lug aperture and retained in the open strap lug chamber by one of the retainer pins;
• an adjustable length sternum strap releasably connectable between the right and left shoulder straps that resist separation of the right and left shoulder straps to prevent the upper portion of a person's body from moving between the right and left shoulder straps;
• a right chest pad attached to the underside of the right shoulder strap and having an enlarged portion that extends to the left of the right shoulder strap;
• a left chest pad attached to the underside of the left shoulder strap and having an enlarged portion that extends to the right of the left shoulder strap;
• a pelvis pad positioned between the person being restrained and the release assembly;
• and an adjuster to adjust the length of the right shoulder strap, an adjuster to adjust the length of the left shoulder strap, an adjuster to adjust the length of the right lap strap and an adjuster to adjust the length of the left lap strap.

A restrains system strap retention and cam release assembly with a body having a bottom wall, an interior wall, an open strap lug chamber inside the body and between the bottom wall and the interior wall, a right shoulder strap lug aperture through the body and into the strap lug chamber, a left shoulder strap lug aperture through the body and into the open strap lug chamber, a right lap strap lug aperture through the body and into the open strap lug chamber, a left lap strap lug aperture through the body and into the open strap lug chamber, a leg strap lug aperture through the body and into the open strap lug chamber and in communication with other strap lug apertures to allow foreign material to fall from the strap lug chamber, a cam actuator rotatably mounted in the body, a cam plate mounted in the body adjacent to a side of the interior wall and outside the open strap lug chamber, at least five retainer pin apertures through the cam plate, at least five retainer pin apertures through the interior wall each of which is in axial alignment with one of the retainer pin apertures through the cam plate, a retainer pin mounted in each pair of axially aligned retainer pin apertures through the interior wall and the cam plate and extending into the open strap lug chamber, a cam surface on the cam plate that is engageable with the cam actuator and is operable to move the cam plate away from the interior wall in response to movement of the cam actuator, a spring for biasing each retainer pin toward the bottom wall of the body, a cam chamber cover attached to the body which preloads the springs for biasing the retainer pins, and a handle connected to the cam actuator and operable to rotate the cam actuator, move the cam plate away from the interior wall and move a plurality of the retainer pins away from the bottom wall and to compress the springs that bias the retainer pins that are moved away from the bottom wall.

A restraint system for restraining a person in a road vehicle including a cam-operated strap retention and release assembly;

• a right shoulder strap with one end adapted to anchor to the vehicle, the other end attached to the assembly and having a portion that passes over the right shoulder and down the right side of the chest of a person being restrained;
• a left shoulder strap with one end adapted to anchor to the vehicle, the other end attached to the assembly and having a portion that passes over the left shoulder and down the left side of the chest of a person being restrained;
• a right lap strap with one end adapted to anchor to the vehicle, the other end attached to the assembly and having a portion that passes over the right side of the pelvis of a person being restrained;
• a left lap strap with one end adapted to anchor to the vehicle, the other end attached to the assembly and having a portion that passes over the left side of the pelvis of a person being restrained;
• an adjustable length sternum strap releasably connectable between the right and left shoulder straps that resists separation of the right and left shoulder straps to prevent the upper portion of a person's body from moving between the right and left shoulder straps;
• a right chest pad attached to the underside of the right shoulder strap and having an enlarged portion that extends to the left of the right shoulder strap;
• and a left chest pad attached to the underside of the left shoulder strap and having an enlarged portion that extends to the right of the left shoulder strap and wherein the enlarged portions of the right and left chest pads overlap each other in an area between the chest of a person being restrained and the sternum strap.

A cam-operated strap retention and release assembly for use with a restraint system, having a plurality of body embracing straps with lugs thereon provided with lock openings, for holding a person in a vehicle seat, including:

• a body having a bottom wall, a side wall, and an interior wall spaced above the bottom wall to provide an open strap lug chamber inside the body and between the bottom wall and the interior wall, said interior wall having a plurality of apertures extending through said interior wall to communicate with said lug chamber, there being a plurality of strap lug apertures that pass through the body side wall and into the open strap lug chamber, a cam plate mounted for lug releasing movement in the body above the interior wall and having a plurality of retainer pin apertures extending through the cam plate in alignment with the interior wall apertures, retainer pins, for entering said locking openings in the strap lugs when the lugs are inserted through said lug apertures into the lug chamber, movably mounted in said aligned apertures through the cam plate and interior wall to extend into the open strap lug chamber, at least some of said retainer pins being cooperable with said cam plate to be withdrawn thereby, a cam surface on the cam plate, and a cam actuator engageable with the cam surface on the cam plate and operable to move the cam plate to at least partially withdraw said retainer pins from the open strap lug chamber to release them from said lug lock openings.