Course indicator
OwnerBernard Howardinventor
Life of this patent
Estimating the term…
Abstract
A course indicator including a marker which is normally movable following a compass and which may be automatically set to a reference position in alignment with a lubber line upon command. Thereafter, the marker will indicate any deviation from the course upon which it was set.
Claims43
A course indicating device comprising a compass adapted to rotate to a predetermined magnetic position, a shaft mounted to rotate with said compass, a reference marker, an indicator normally rotatable in fixed position with said shaft but rotatably positionable with respect thereto, means for moving said shaft axially, and guide means responsive to axial movement of said shaft for rotating said indicator with respect to said shaft and into a predetermined position of alignment with said reference marker.
A course indicating device comprising a compass, a shaft rotatably mounted to follow the position of said compass, means providing a reference marker, an indicator normally movable with said shaft but rotatably positionable with respect thereto, a guide means for rotating said indicator, means for producing relative axial movement of said shaft and said indicator, means responsive to said relative movement to engage said guide means and rotate said indicator relative to said shaft to a predetermined position of alignment with said reference marker.
A course indicating device comprising a housing member having a viewing window defined therein, a reference marker in fixed relation to said housing member, a compass assembly rotatably mounted within said housing, an indicator normally in contact with and movable with said compass assembly but rotatable with respect thereto and adapted to cooperate with said reference marker, said indicator including a hub portion disposed about said compass assembly and movable axially with respect thereto, positioning means on said hub portion for causing said indicator to rotatably move with respect to said compass assembly to a predetermined position where said indicating means is aligned with said reference marker upon relative axial movement of said compass assembly and said indicating device, and means for moving said compass assembly axially relative to said indicating device so that said positioning means causes said indicating device to rotate to said predetermined position, said indicating device being viewable in said window in alignment with said reference marker when rotated to said predetermined position.
A course indicating device comprising a rotatably mounted compass assembly, means providing a reference marker, an indicator normally in contact and movable with said compass assembly but relatively movable axially and rotatably with respect thereto, means for relatively axially moving said compass assembly with respect to said indicator, and positioning means responsive to relative axial movement of said compass assembly with respect to said indicator for rotatably moving said indicator into a predetermined position of alignment with said reference marker, whereby when said compass assembly is returned to its original position said indicator is in contact and movable with said compass assembly.
A course indicating device comprising a compass assembly including a shaft, means supporting said shaft for rotational movement of said compass assembly, an indicator normally in engagement with said compass assembly and movable therewith, said indicator being rotatable with respect to said shaft upon axial disengagement from said compass assembly, means for moving said compass assembly in a first axial direction with respect to said indicator to disengage said indicator, means responsive to axial movement of said compass assembly in said first direction to engage and produce rotation of said indicator to a predetermined angular position so that when said shaft is axially returned said indicator re-engages said compass assembly while in said predetermined angular position.
A course indicating device comprising a compass, a rotatably mounted shaft arranged to follow the position of said compass, means providing a reference marker, an indicator normally movable with said shaft but rotatably positionable with respect thereto, and positioning means for causing said indicator device to move rotatably with respect to said shaft into a predetermined position of alignment with said reference marker, said indicator device comprising a rod-like member having a universally pivotal connection to said shaft at one end thereof and an indicator marker at the other end thereof adapted to be aligned with said reference marker, said positioning means comprising a pivotal lever having spaced apart arms adapted to pivot and engage said indicator device and pivot it on said universal connection to said predetermined position with respect to said reference marker.
A course indicating device comprising a rotatably mounted compass assembly, a reference marker, an indicator normally movable with said compass assembly but rotatably positionable with respect thereto, positioning means for causing said indicator to move rotatably with respect to said compass assembly into a predetermined position of alignment with said reference marker, said positioning means including guide means for predetermining movement of said indicator to a position of alignment with said reference marker, and means for actuating said positioning means, said guide means including an annular track on said compass assembly, said indicator located in said track and rollable therein, said positioning means comprising means for tilting said compass assembly on its pivot so that said indicator rolls to a point in said track in alignment with said reference marker.
A course indicating device comprising a compass assembly, a bearing shaft rotatably supporting said compass assembly, a housing enclosing said compass assembly and shaft, means for retracting said bearing shaft whereby said compass assembly moves downwardly, a reference marker defined in fixed relation to said housing, an indicator on said compass assembly and normally movable therewith but movable axially and rotatively with respect to said compass assembly, and indicator positioning means disposed in said housing and positioned to engage said indicator when said compass assembly moves axially with respect to said indicator and rotate said indicator to a position of alignment with said reference marker.
A course indicating device comprising a compass assembly, support means rotatably mounting said compass assembly, a reference marker, an indicator normally rotatable in fixed position with said compass assembly but rotatably positionable with respect thereto, braking means for preventing rotation of said compass assembly, said braking means being normally out of engagement with said compass assembly, means for moving said compass assembly into contact with said braking means to provide rotation of said compass assembly, engaging means for moving upwardly and engaging said indicator when said compass assembly is braked, and guide means on said indicator engageable by said engaging means upon said upward movement thereof to rotate said indicator to a predetermined position with respect to said reference marker.
Dependencies are inferred from the claim text.