×

Safety belt buckle for race car

  • US 9,545,133 B1
  • Filed: 07/06/2016
  • Issued: 01/17/2017
  • Est. Priority Date: 07/06/2016
  • Status: Active Grant
First Claim
Patent Images

1. A safety belt buckle comprising:

  • a base unit;

    a cover covering and combined with the base unit;

    a locking device mounted in the cover;

    a torsion spring mounted on the cover; and

    a driving unit mounted on the cover;

    wherein;

    the base unit includes;

    a support base having a top provided with a plurality of slideways; and

    a plurality of elastic modules mounted in the slideways;

    the top of the support base has a center provided with a recessed flange;

    the support base is provided with a plurality of abutting pieces surrounding the recessed flange;

    the support base has a periphery provided with a plurality of spacing blocks and a plurality of insertion slots located between the spacing blocks;

    the cover has a top having a center provided with a tube and a bottom provided with a receiving space connected to the tube;

    the cover is provided with a limit block surrounding the tube;

    the limit block of the cover has a top provided with a limit boss;

    the receiving space of the cover is provided with a plurality of convex portions, a plurality of concave portions located between the convex portions, and a plurality of pillars located in the concave portions;

    the locking device is mounted in the receiving space of the cover and includes;

    a fixed post mounted on one of the pillars of the cover;

    a plurality of movable posts mounted on the pillars of the cover and corresponding to the elastic modules of the base unit;

    a plurality of springs mounted on the pillars of the cover and located in the fixed post and the movable posts;

    a conical spring mounted in the receiving space of the cover;

    a driven plate mounted in the receiving space of the cover and abutting the conical spring, a rotation shaft mounted on the cover; and

    a fixed disk arranged under the driven plate and abutting the spacing blocks of the support base;

    the driven plate of the locking device has a central portion provided with a through hole and a hollow lug and has a rim provided with a plurality of clamping grooves for clamping the movable posts;

    the hollow lug of the driven plate has a notch;

    the rotation shaft of the locking device includes a shaft shank extending through the through hole of the driven plate and provided with a pivot hole, and a pin extending through the pivot hole of the shaft shank and abutting the hollow lug of the driven plate;

    the fixed disk of the locking device has a central portion provided with a retaining hole to allow insertion of the abutting pieces of the support base;

    the fixed disk of the locking device has a periphery provided with a plurality of passages corresponding to the slideways of the support base;

    the fixed post and the movable posts of the locking device extend through the passages of the fixed disk;

    the conical spring of the locking device abuts a top of the receiving space of the cover;

    the driving unit includes a circular cap and a drive handle extending from the circular cap;

    the circular cap of the driving unit has a bottom provided with a receiving chamber for covering the tube, the limit block and the torsion spring;

    the receiving chamber of the circular cap has a periphery provided with a limit wall;

    the circular cap of the driving unit has a top provided with a fixing hole secured on the rotation shaft of the locking device, and a limit slot for receiving the limit boss of the limit block of the cover;

    the fixing hole and the limit slot of the circular cap are connected to the receiving chamber; and

    the torsion spring is mounted on the tube of the cover and has two ends abutting two ends of the limit block of the cover and abutting two ends of the limit wall of the circular cap.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×