Lower link hook

A coupling device comprising:

• a hook body including a shoulder and an inner surface;
• an opening defined between the shoulder and a guideway of a locking latch, wherein the opening is configured to receive a mating part of an attachment to engage with the inner surface of the hook body, and wherein the guideway and the shoulder are positioned at distal ends of the opening;
• the locking latch that protrudes into the opening, wherein in a locked position the locking latch is configured to engage and lock the mating part of the attachment with the inner surface of the hook body, and wherein in an unlocked position the locking latch is configured to allow movement of the mating part relative to the hook body;
• an actuation lever connected to locking latch, the actuation lever being movable from a first position to a second position to allow disengagement of the locking latch from the mating part in order to release the mating part and to disconnect the attachment wherein the actuation lever and the book body define a resting position such that the actuation lever maintains the locking latch in a disengaged condition;
• and
• a safety device coupled to the locking latch, wherein the safety device includes a portion extending beyond the inner surface of the hook body towards a base of the coupling device.