Integral three-point safety buckle

Claim 2

In a safety belt construction, the combination of a casing having a chamber therein and a latching dog connected therewith within the chamber, a belt latching tongue having a socket adapted to releasably receive the dog for the latching of the tongue to the casing, a holding and blocking member movably carried by the casing for releasably holding the tongue latched to the dog, a second latching dog movably carried by the casing, a second belt attachable latching tongue having means for releasable connection with the second dog, means normally moving the holding and blocking member and second dog is latched positions, and means movably carried by the casing for simultaneously operating said holding and blocking member and the movable latching dog into their respective tongue releasing and unlatched positions.

Claim 3

The buckle construction defined in claim 1 in which the last-mentioned means comprises a movable pushbutton member having a cam engageable with said holding and blocking member and the second movable latching dog to move them to their respective belt releasing positions.

Claim 4

The buckle construction defined in claim 2 in which a biasing spring is provided on the casing for normally moving boTh the movable holding means and the second dog in latching positions with respect to their respective tongues.

Claim 5

In a buckle adapted for use with vehicle safety seat belts, the combination of a casing having a chamber therein and a latching dog fixedly connected therein within the casing, a belt-attachable latching tongue having a socket adapted to releasably receive the dog for the latching of the dog to the casing, a holding member movably carried by the casing for releasably holding the tongue latched to the dog, a second dog movably carried by the casing, a second belt attachable latching tongue having a projection thereon provided with a lateral recess, said casing having an opening to receive said projection, said second dog having a portion to engage in the recess of the projection to hold the projection and its tongue attached to the casing, spring biasing means normally urging both the holding member and the second movable latching dog into their respective latching positions, and means movably carried by the casing to simultaneously urge the holding member and the movable latching dog to unlatched positions with respect to their tongues.

Claim 6

In a buckle adapted for use with vehicle safety seat belts, the combination of a casing having a chamber therein and a latching dog fixedly connected therein within the casing, a belt-attachable latching tongue having a socket adapted to releasably receive the dog for the latching of the dog to the casing, a holding member movably carried by the casing for releasably holding the tongue latched to the dog, a second dog movably carried by the casing, a second belt attachable latching tongue having a projection thereon provided with a lateral recess, said casing having an opening to receive said projection, said second dog having a portion to engage in the recess of the projection to hold the projection and its tongue attached to the casing, spring biasing means normally urging both the holding member and the second movable latching dog into their respective latching positions, and means movably carried by the casing to simultaneously urge the holding member and the movable latching dog to unlatched positions with respect to their tongues.

Claim 7

The buckle defined in claim 4 in which the last-mentioned means comprises a depressible pushbutton having cam means thereon for simultaneously engaging and moving the holding means and second latching dog against the force of the biasing spring to release positions.

Claim 8

In a safety belt buckle construction the combination of a strong casing including a base wall, upstanding relatively spaced sidewalls the upper ends of which are provided with overhanging flanges spaced from the base, a latching dog fixed on the casing base, a belt tongue having a socket for receiving said latching dog, a vertical force reaction plate mounted on the sidewalls of the casing in spaced relation from the inside surface of the base wall, a top plate mounted on the casing held in upward position thereon by said vertical force reaction plate and having an opening therein, a holding member slidably mounted on the base within the casing movable into and out of latching relation with respect to the base carried latching dog, a movable latching dog slidably mounted on the casing beneath the top plate having an opening therein adapted to align with the opening of the top plate, a belt receiving tongue having a projection thereon adapted for extension through the openings of the top plate and movable latching dog having a lateral recess into which the movable latching dog may engage to latch the tongue to said casing, spring biasing means normally urging both the holding means and movable latching dog to latching positions, and pushbutton means depressibly mounted on the casing for actuating said holding means and movable latching dog for the purpose of releasing the holding means and movable latching dog from their latching positions.

Claim 9

In a safety belt buckle construction the combination of a strong casing including a base wall, upstanding relatively spaced sidewalls the upper ends of which are provided with overhanging flanges spaced from the base, a latching dog fixed on the casing base, a belt tongue having a socket for receiving said latching dog, a vertical force reaction plate mounted on the sidewalls of the casing in spaced relation from the inside surface of the base wall, a top plate mounted on the casing held in upward position thereon by said vertical force reaction plate and having an opening therein, a holding member slidably mounted on the base within the casing movable into and out of latching relation with respect to the base carried latching dog, a movable latching dog slidably mounted on the casing beneath the top plate having an opening therein adapted to align with the opening of the top plate, a belt receiving tongue having a projection thereon adapted for extension through the openings of the top plate and movable latching dog having a lateral recess into which the movable latching dog may engage to latch the tongue to said casing, spring biasing means normally urging both the holding means and movable latching dog to latching positions, and pushbutton means depressibly mounted on the casing for actuating said holding means and movable latching dog for the purpose of releasing the holding means and movable latching dog from their latching positions.

Claim 10

The buckle of claim 6 in which the holding means and pushbutton have cams which normally moves the holding means and movable latching dog to unlatched positions upon depression of the push button.

Claim 11

In a safety belt construction the combination of a buckle having a casing provided with a chamber therein, a latching dog movable in the casing chamber, a belt having a tongue provided with a transverse projection thereon which has a lateral latching recess transversely to the axis of said projection adapted to receive the movable latching dog to latch the buckle casing to the tongue, means on the casing to release the latching dog from latching relation with the tongue, and cam means on the projection engageable with said latching dog upon predetermined rotary movement of the projection with respect to the latching dog to move the latching dog to a releasing position with respect to said projection.

Claim 12

In a safety belt construction the combination of a buckle having a casing provided with a chamber therein, a latching dog movable in the casing chamber, a belt having a tongue provided with a transverse projection thereon which has a lateral latching recess transversely to the axis of said projection adapted to receive the movable latching dog to latch the buckle casing to the tongue, means on the casing to release the latching dog from latching relation with the tongue, and cam means on the projection engageable with said latching dog upon predetermined rotary movement of the projection with respect to the latching dog to move the latching dog to a releasing position with respect to said projection.

Claim 13

A safety belt construction as defined in claim 8 in which the cam means comprises a portion of the projection extending across the lateral recess around part of the circumference of said recess whereby uPon turning the projection with respect to the latching dog said cam means will engage and move the dog to a releasing position with respect to said projection and its tongue.

Claim 14

In a safety belt construction the combination of a buckle having a casing provided with a chamber therein, a latching dog movable in the casing chamber, a shoulder belt having a tongue provided with a transverse projection thereon which has a lateral latching recess transversely to the axis of said projection adapted to receive the movable latching dog to latch the buckle casing to the tongue means on the casing to release the latching dog from latching relation with the tongue, cam means on the projection engageable with said latching dog upon predetermined rotary movement of the projection with respect to the latching dog to move the latching dog to a releasing position, a lap strap means including a tongue, the buckle casing having an opening therein for receiving the lap strap tongue, a second movable latching dog carried by the buckle casing for releasably receiving the lap tongue, and means to simultaneously release both the shoulder latching dogs and lap strap latching dog simultaneously.

Claim 15

In a safety belt construction the combination of a buckle having a casing provided with a chamber therein, a latching dog movable in the casing chamber, a shoulder belt having a tongue provided with a transverse projection thereon which has a lateral latching recess transversely to the axis of said projection adapted to receive the movable latching dog to latch the buckle casing to the tongue means on the casing to release the latching dog from latching relation with the tongue, cam means on the projection engageable with said latching dog upon predetermined rotary movement of the projection with respect to the latching dog to move the latching dog to a releasing position, a lap strap means including a tongue, the buckle casing having an opening therein for receiving the lap strap tongue, a second movable latching dog carried by the buckle casing for releasably receiving the lap tongue, and means to simultaneously release both the shoulder latching dogs and lap strap latching dog simultaneously.

Claim 16

The safety belt construction as defined in claim 10 in which the cam means comprises a portion of the projection extending across the lateral recess around part of the circumference of said recess whereby upon turning the projection with respect to the latching dog said cam means will engage and move the dog to a releasing position with respect to said projection and its tongue.

Claim 17

In a safety belt construction the combination of a buckle casing, a belt tongue, latching means on the tongue and in the casing for releasably latching the tongue to the casing including a slidable member carried by the casing, a second latching dog movably carried by the casing for slidable movement in parallelism with the said slidable member, a second belt tongue having means thereon for releasable connection with the second latching dog, and means for simultaneously moving said first-mentioned slidable member and the second-mentioned latching dog within the casing in opposite directions for releasing their respective belt tongues.

Claim 18

In a safety belt construction the combination of a buckle casing, a belt tongue, latching means on the tongue and in the casing for releasably latching the tongue to the casing including a slidable member carried by the casing, a second latching dog movably carried by the casing for slidable movement in parallelism with the said slidable member, a second belt tongue having means thereon for releasable connection with the second latching dog, and means for simultaneously moving said first-mentioned slidable member and the second-mentioned latching dog within the casing in opposite directions for releasing their respective belt tongues.