A novel cam mechanism or assembly is provided by the present disclosure. The cam mechanism can have a cylindrical or barrel shape configuration. The cam mechanism includes a first module or body (also referred to as an inner body), a cam module or body encircling said first module, and a guide modul
A novel cam mechanism or assembly is provided by the present disclosure. The cam mechanism can have a cylindrical or barrel shape configuration. The cam mechanism includes a first module or body (also referred to as an inner body), a cam module or body encircling said first module, and a guide module or body (also referred to as an outer body) encircling each of the first module and the cam module. The cam mechanism is configured to translate rotary motion or torque of the cam module about a rotational axis (A) into linear displacement of the first module in a parallel manner along said rotational axis (A). The outer body or guide body encircles each of the cam module and the inner body. The outer body can be a stationary or fixed structure, and can be configured to physically isolate the movable components of the cam mechanism (e.g., the cam module and the inner body).
대표청구항▼
1. An assembly comprising: a cam mechanism comprising a first body comprising at least one follower element;an outer body defining an axis and comprising at least one guide structure configured to engage with the at least one follower element for confining travel thereof to at least substantially pa
1. An assembly comprising: a cam mechanism comprising a first body comprising at least one follower element;an outer body defining an axis and comprising at least one guide structure configured to engage with the at least one follower element for confining travel thereof to at least substantially parallel to the axis and guiding the first body between a first position and a second position;a cam module positioned between the first body and the outer body, the cam module configured with the outer body for rotational displacement at least substantially about the axis, the cam module defining at least one pathway having a profile, the at least one pathway being shaped and dimensioned for the at least one follower element to travel along the respective at least one pathway during rotational displacement of the cam module about the axis,wherein travel of the at least one follower element along the at least one pathway during rotational displacement of the cam module linearly displaces the at least one follower element along the at least one guide structure and parallel the axis to thereby displace the first body between the first position and the second position;a driver coupled to the cam module, the driver operable to effectuate rotation of the cam module about the axis;a control module coupled to the driver, the control module configured to control operation of the driver; andan auto-locking feature coupled to the control module, the auto-locking feature configured to maintain a relative position of each of the first body, the cam module, and the outer body;wherein the auto-locking feature comprises a worm gear configured to control rotation of the cam module;wherein a hollow space within the cam mechanism increases when the first body is displaced from the first position to the second position;a sound component coupled to the cam mechanism, the sound component configured to emit sound from within the hollow space. 2. The assembly as in claim 1, wherein the outer body is configured to encircle the cam module and the first body. 3. The assembly as in claim 2, wherein the first body, the cam module, and the outer body are concentrically aligned. 4. The assembly as in claim 2, wherein each of the first body, the cam module, and the outer body is cylindrical in shape, and wherein a diameter of the first body is smaller than a diameter of the cam module, and the diameter of the cam module is smaller than a diameter of the outer body. 5. The assembly as in claim 2, wherein the outer body is a stationary structure. 6. The assembly as claim 5, wherein the outer body comprises: a body portion shaped and dimensioned to encircle each of the cam module and the first body, the outer body carrying the at least one guide structure; anda flange portion extending at least substantially perpendicularly from an outer circumference of the body portion. 7. The assembly as in claim 6, wherein the flange portion is configured to either carry or be coupled to a printed circuit board. 8. The assembly as in claim 6, wherein the at least one guide structure is formed along an inner circumference of the body portion proximate to the cam module, and wherein the at least one guide structure is shaped and dimensioned such that at least a portion of the at least one follower element matingly engages with the at least one guide structure. 9. The assembly as in claim 1, wherein the control module is configured to execute a set of instructions for controlling operation of the driver for effectuating rotation of the cam module about the axis. 10. The assembly as in claim 9, wherein the control module is configured to control a speed of rotation of the cam module and thereby control a speed of displacement of the at least one follower element along the at least one pathway. 11. The assembly as in claim 10, wherein the auto-locking feature is configured to one of facilitate and effectuate maintenance of the relative position of each of the first body, the cam module, and the outer body. 12. The assembly as in claim 10, wherein the profile of the at least one pathway of the cam module comprises a first end and a second end located at opposite terminals of the at least one pathway, the position of the at least one follower element at the first end and the second end of the cam module corresponds to the position of the first body at the first position and the second position respectively. 13. The assembly as in claim 12, wherein the at least one pathway includes an end portion proximal to the second end, the end portion disposed at least substantially perpendicular to the axis. 14. The assembly as in claim 13, wherein a position of the at least one follower element at the end portion of the at least one pathway corresponds to the position of the first body at the second position, and wherein the disposition of the end portion at least substantially perpendicular to the axis prevents displacement of the first body towards the first position. 15. The assembly as in claim 13, wherein the position of the end portion at least substantially perpendicular to the axis enables the cam module to carry at least part of the weight of the first body. 16. A method for translating rotary torque into linear motion comprising: operating a driver coupled to a cam module of a cam assembly to rotate the cam module about an axis, the cam module defining at least one pathway having a profile, the at least one pathway shaped and dimensioned for allowing travel of at least one follower element of a first body of the cam assembly therealong during rotation of the cam module about the axis, the cam assembly further comprising an outer body encircling each of the cam module and the first body, the outer body comprising at least one guide structure configured to engage with the at least one follower element for confining travel thereof to at least substantially parallel to the axis and guiding the first body between a first position and a second position;linearly displacing the at least one follower element along the at least one guide structure during rotation of the cam module about the axis to thereby displace the first body between the first position and the second position;controlling operation of the driver using a control module coupled to the driver; andproviding an auto-locking feature coupled to the control module, the auto-locking feature configured to maintain a relative position of each of the first body, the cam module, and the outer body;wherein the auto-locking feature comprises a worm gear configured to control rotation of the cam module;increasing a hollow space within the cam assembly by displacing the first body from the first position to the second position;coupling a sound component to the cam assembly, the sound component configured to emit sound from within the hollow space. 17. The method as in claim 16, wherein the outer body is a stationary structure. 18. The method as in claim 16, wherein the first body, the cam module, and the outer body are concentrically aligned. 19. The method as in claim 16, further comprising controlling at least one of initiation, termination, and speed of rotation of the cam module about the axis. 20. The method as in claim 19, wherein the control of the at least one of initiation, termination, and speed of rotation of the cam module is effectuated by the control module coupled to the driver, the control module configured to execute a set of instructions for controlling the at least one of initiation, termination, and speed of rotation of the cam module. 21. The method as in claim 20, further comprising effectuating maintenance of the relative position of each of the first body, the cam module, and the outer body using the auto-locking feature that is coupled to the control module. 22. The method as in claim 16, wherein the profile of the at least one pathway of the cam module comprises a first end and a second end located at opposite terminals of the at least one pathway, wherein the profile of the at least one pathway of the cam module comprises an end portion proximal to the second end, the end portion disposed at least substantially perpendicular to the axis. 23. The method as in claim 22, wherein a position of the at least one follower element at the end portion of the at least one pathway corresponds to the position of the first body at the second position, and wherein the disposition of the end portion at least substantially perpendicular to the axis one of facilitates and effectuates prevention of linear displacement of the first body parallel the axis. 24. The method as in claim 22, further comprising supporting at least part of the weight of the first body by the cam module at the end portion of the least one pathway of the cam module. 25. A speaker mechanism comprising: a cam mechanism comprising a first body comprising at least one follower element;an outer body defining an axis and comprising at least one guide structure configured to engage with the at least one follower element for confining travel thereof to at least substantially parallel to the axis and guiding the first body between a first position and a second position;a cam module positioned between the first body and the outer body, the cam module configured with the outer body for rotational displacement at least substantially about the axis, the cam module defining at least one pathway having a profile, the at least one pathway being shaped and dimensioned for the at least one follower element to travel along the respective at least one pathway during rotational displacement of the cam module about the axis,wherein travel of the at least one follower element along the at least one pathway during rotational displacement of the cam module linearly displaces the at least one follower element along the at least one guide structure and parallel the axis to thereby displace the first body between the first position and the second position; andwherein a hollow space within the speaker mechanism increases when the first body is displaced from the first position to the second position;anda sound component coupled to the cam mechanism, the sound component configured to emit sound from within the hollow space. 26. The speaker mechanism of claim 25, further comprising: a lighting component carried by the first body, wherein the cam mechanism is configured to vary a vertical displacement of the lighting component.
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이 특허에 인용된 특허 (8)
Nomura,Hiroshi, Cam mechanism of a photographing lens.
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