Attachment device and method for assisting in the winding of a rounded turn knob
First Claim
1. A device for engaging and turning a rounded knob of the type having depressions formed around its periphery, said device comprising:
- a hub having a peripheral wall, said hub being sized to receive the rounded knob within said peripheral wall, wherein said peripheral wall has an interior surface that engages the depressions on the rounded knob when the hub is rotated;
a handle radially extending from said hub a predetermined length beyond said peripheral wall; and
a crank extension protruding from said handle, wherein said handle and said crank extension are used for manually rotating said hub.
0 Assignments
0 Petitions
Accused Products
Abstract
A device and method for engaging a rounded knob so that the knob can be turned in a more rapid and ergonomically efficient manner. The claimed invention includes an auxiliary handle device. The auxiliary handle device includes a hub and a handle that extends radially away from the hub. The hub is configured to pass over the exterior of the rounded knob. Once the hub envelopes the rounded knob, the handle is rotated. As the handle is rotated, an interference fit is created between the interior of the hub and the knob. The interference fit transfers the rotational energy from the handle to the rounded knob, thereby rotating the rounded knob.
50 Citations
16 Claims
-
1. A device for engaging and turning a rounded knob of the type having depressions formed around its periphery, said device comprising:
-
a hub having a peripheral wall, said hub being sized to receive the rounded knob within said peripheral wall, wherein said peripheral wall has an interior surface that engages the depressions on the rounded knob when the hub is rotated;
a handle radially extending from said hub a predetermined length beyond said peripheral wall; and
a crank extension protruding from said handle, wherein said handle and said crank extension are used for manually rotating said hub. - View Dependent Claims (2, 3, 4, 13)
-
-
5. A device for engaging and turning a rounded knob, said device comprising:
-
a hub sized to receive the rounded knob therein;
contact elements within said hub that engage the rounded knob when said hub is rotated;
a handle radially extending from said hub; and
a crank extension protruding from said handle, wherein said handle and said crank extension are used for manually rotating said hub. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
-
-
14. A method of turning a rounded knob having a peripheral edge, wherein a plurality of depressions are disposed along said peripheral edge, said method comprising the steps of:
-
providing an auxiliary handle device having a hub and a handle interconnected with said hub, wherein said hub has a contact elements that are symmetrically disposed around a central point on said knob;
advancing said hub over the rounded knob, wherein said contact elements are disposed around the peripheral edge of the rounded knob; and
rotating said handle and causing said contact elements to move in unison toward said central point, thereby rotating said hub and causing an interference fit between said hub and the rounded knob. - View Dependent Claims (15, 16)
-
Specification