Double ratchet structure and wrench

Bidirectional ratchet structure, bidirectional ratchet wrench and method for changing a direction thereof

Lap bar assembly with locking mechanism with locking in lap bar and grab bar positions

Wearable, self-deploying fall arrest device

Hand-operated cutting apparatus

Bicycle shifter

Control Structure for a Two-Way Ratchet Tool

Latching fitting for a vehicle seat

Parking lock arrangement

Ratchet reset mechanism

Parking lock arrangement

Swivel retractor blade assembly

Sprinkler having oscillating mechanism