A warning structure includes a bracket and a warning member mounted on the bracket. The bracket includes a main body, rollers rotationally mounted to the main body, and a stopping assembly including a rotating mechanism and a stopping member coupled to the rotating mechanism. The rotating mechanism is rotationally coupled to the main body. One of the rollers is mounted adjacent to the stopping member. When the rotating mechanism is rotated, the stopping member is engaged with a ground to prevent the bracket from moving.

A warning structure includes a bracket and a warning member mounted on the bracket. The bracket includes a main body, rollers rotationally mounted to the main body, and a stopping assembly including a support member, a mounting member, and a resilient member. The support member is coupled to the main body. The mounting member is movably mounted to the support member. The rollers are mounted to the mounting member and the main body. The resilient member elastically resists the support member and the mounting member to bias the mounting member. When the support member is subjected to a downward force, the support member abuts against a ground to keep the bracket stationary.

A warning structure includes a bracket and a warning member mounted on the bracket. The bracket includes a main body, rollers rotationally mounted to the main body, and a stopping assembly including a support member, a mounting member, and a resilient member. The support member is coupled to the main body. The mounting member is movably mounted to the support member. The rollers are mounted to the mounting member and the main body. The resilient member elastically resists the support member and the mounting member to bias the mounting member. When the support member is subjected to a downward force, the support member abuts against a ground to keep the bracket stationary.

A warning structure includes a bracket and a warning member mounted on the bracket. The bracket includes a main body, rollers rotationally mounted to the main body, and a stopping assembly including a rotating mechanism and a stopping member coupled to the rotating mechanism. The rotating mechanism is rotationally coupled to the main body. One of the rollers is mounted adjacent to the stopping member. When the rotating mechanism is rotated, the stopping member is engaged with a ground to prevent the bracket from moving.

A stanchion with enhanced stability and user safety is provided. The stanchion includes a base having a top surface, a bottom surface and a central opening extending from the top surface to the bottom surface, the central opening in the base having an inner surface with a locking protrusion coupled thereto, and an elongated body with a bottom end rotatably mounted to the central opening of the base and having a pair of tabs. The elongated body is designed to rotate to a first position to permit one of the pair of tabs to engage with the locking protrusion on the base, thereby locking the elongated body to the base. The elongated body is designed to rotate to a second position with the pair of tabs disengaged from the locking protrusion on the base, thereby unlocking the elongated body from the base.

An improved tri-directional traffic bollard having a plurality of reflective members. The plurality of reflective members of the tri-directional traffic bollard can be viewed by the human eye from any direction, even when toppled or tipped over. The current invention provides a tri-directional traffic bollard comprising a main elongated body having a proximal end, a distal end, an internal face and an exterior face and a base member adjoined to the proximal end of the main elongated body. The tri-directional traffic bollard includes a plurality of reflective members adjoined to the any face of the main elongated body and the base member. The plurality of reflective members is aligned to be flush, raised or recessed within any face of the main elongated body or any face of the base member.

An improved tri-directional traffic bollard having a plurality of reflective members. The plurality of reflective members of the tri-directional traffic bollard can be viewed by the human eye from any direction, even when toppled or tipped over. The current invention provides a tri-directional traffic bollard comprising a main elongated body having a proximal end, a distal end, an internal face and an exterior face and a base member adjoined to the proximal end of the main elongated body. The tri-directional traffic bollard includes a plurality of reflective members adjoined to the any face of the main elongated body and the base member. The plurality of reflective members is aligned to be flush, raised or recessed within any face of the main elongated body or any face of the base member.

A warning triangle structure includes a base, a triangle, a number of connecting rods, and a braking device. The triangle includes a bottom end and a top end opposite the bottom end. The bottom end is fixedly mounted to the base. Each of the connecting rods includes a first end and a second end. The first end is fixedly coupled to the base, and the second end is mounted with a rotatable support wheel. The braking device is installed at the second end of at least one of the connecting rods. The braking device includes a transmission shaft coupled to the support wheel. The braking device controls the support wheel to stop rotating by stopping the transmission shaft from rotating.

A warning triangle structure includes a base, a triangle, a number of connecting rods, and a braking device. The triangle includes a bottom end and a top end opposite the bottom end. The bottom end is fixedly mounted to the base. Each of the connecting rods includes a first end and a second end. The first end is fixedly coupled to the base, and the second end is mounted with a rotatable support wheel. The braking device is installed at the second end of at least one of the connecting rods. The braking device includes a transmission shaft coupled to the support wheel. The braking device controls the support wheel to stop rotating by stopping the transmission shaft from rotating.

The safety tripod includes a tripod, a flight driving machine mounted on the tripod to enable the tripod to fly, a landing base for seating the tripod on the ground when the tripod lands, and a standing guide mounted on the tripod to enable the tripod to stand up.