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US 3,991,423 AGranted
Helmet with actuated neck pad
AssigneeGeneral Aquadyne, Inc.
InventorRichard F. Jones
Life of this patent
Estimating the term…
Abstract
A diver's helmet is held to his head by means of a movable pad which engages the back of the neck, preferably near the base of the skull. The pad is preferably manually movable by means of any suitable mechanism to engage the diver's neck.
Claims1
Diving gear for the head of a diver comprising:
- a. a face mask;
- b. a rigid helmet secured to the face mask to enclose the head of a diver and having a neck opening;
- c. a neck pad on the interior of the helmet adjacent to the neck opening opposite the face mask;
- d. a leaf spring having one end connected to the neck pad and extending vertically therefrom and having the other end secured to the interior of the helmet and normally biasing the neck pad against the interior of the helmet and away from the face mask characterized by having a shape that normally fits snugly against the interior of the helmet;
- e. and manually operable means of moving the neck pad toward the face plate to thereby engage the neck of the diver to hold the helmet and face mask in place on the diver's head,
- whereby the pad has a maximum amount of retraction when said manually operable means is released, so that the neck opening is of maximum size for easy placement on or removal from the diver's head.
3 more elements
Dependencies are inferred from the claim text.