A hardhat mount assembly (12) is provided for mounting a speaker device
(14) on a hardhat (10), that allows adjustment of the speaker device
position to allow the worker to choose a comfortable position. The mount assembly
includes an inner mount part (50) for mounting on the hardhat, a linkage
(100) having an upper end pivotally connected to the inner mount part and
a lower end pivotally connected to the speaker device, both pivot connections having
pivot axes extending in forward and rearward directions. One inner mount device
includes a pair of wings (52, 54) with Velcro (74) on their inner
surfaces that attach to Velcro pads (80, 82) that have been mounted with
contact adhesive on a side of the hardhat. Another inner mount device includes
a pair of plates (210, 212) with adjacent edges (214, 216) hinged
together and distant ends (220, 222) that can be latched together to clamp
a sweatband (202) of the hardhat lining between them. Another inner mount
device (130) has a U-shaped part that straddles a thickened lip (132)
at the side of a hardhat, and has at least one screw (150) that screws against
the hardhat at a location adjacent to the stepped thickness of the hardhat lip.