Pintle exotic metal alloys. For World War II aircraft with sideways-retracting main gear units, carefully set-up "pintle angles" for such axes of rotation during retraction and extension allowed the maingear struts to be raked forward while fully extended for touchdown and better ground handling, while permitting retraction into rearwards-angled landing gear wells in their wings to usually clear the forward wing spar for stowing while in flight. Pintle A pintle is a pin or bolt, usually inserted into a gudgeon, which is used as part of a pivot or hinge. Other applications include pintle and lunette ring for towing, and pintle
Pallet Rack Safety Bolt holes in the pallet rack cross beam and pallet rack upright frame. The top hat or .75 circle at the top of the pin stops it from going all the way through the hole. The pin has a J design so it is installed horizontally and then turns vertical as it enters the upright frame. Gravity holds the pallet rack safety bolt in place. Estimated 5 seconds to install compared to 30–60 seconds for a standard pallet rack clip. OSHA ANSI/RMI Beam Locking Device Regulations What does OSHA say about pallet rack clips? Although OSHA does not get specific on