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Self-timer

阅读:840发布:2023-12-07

专利汇可以提供Self-timer专利检索,专利查询,专利分析的服务。并且A self-timer is driven by a spring motor through a drive shaft that is arrestable by an anchor. The motor is wound by a charging lever which is independently rotatable about the shaft. A starting member is also rotatable about the shaft to release the anchor. If it is desired to interrupt the timing operation, the starter is returned to its original position to cause the anchor to terminate rotation of the shaft. The starting member can also be returned to its original position by manually rotating the charging lever back to its restored position.,下面是Self-timer专利的具体信息内容。

1. A self-timer comprising: a center shaft; driving means coupled to said shaft for driving said shaft in a driving direction; a charging lever rotatably mounted on said shaft and having means affixed thereto for rotating said shaft from an initial position in a winding direction opposite to said driving direction; anchor means having an anchoring position for preventing rotation of said shaft in said driving direction and a nonanchoring position for permitting rotation of said shaft in said driving direction; anchor arresting means for placing said anchoring means in said anchoring position; and a starter ring rotatable about said shaft and having starting means thereon for selectively engaging said anchor arresting means, said anchor arresting means being operative in response to such engagement for removing said anchor means from said anchoring position to thereby permit said driving means to drive said shaft.
2. The apparatus of claim 1 including a cam plate mounted on said shaft for rotation therewith, said cam plate having a first surface thereon for engaging said anchor arresting means to place said anchor arresting means in said non-anchoring position when said shaft is in said initial position.
3. The apparatus of claim 2 including: an actuating plate rotatable with respect to said shaft so that rotation of said actuating plate in an actuating direction represents an output motion of the self-timer; means for biasing said actuating plate for rotation in a non-actuating direction; a projection on said actuating plate; a pivotable actuating lever having a surface thereon for engaging said projection on said actuating plate; and means associated with said actuating lever for biasing said actuating lever in a direction tending to rotate said actuating plate in said actuating direction when said actuating lever surface engages said first projection.
4. The apparatus of claim 3 wherein said cam plate has a second surface thereon for moving said actuating lever in a direction opposite to the bias force thereon during rotation of said shaft in said driving direction.
5. The apparatus of claim 4 including a third surface on said cam plate for engaging a second surface on said actuating lever during rotation of said shaft in said driving direction so that said first surface on said actuating lever causes said projection on said actuating plate to overcome said actuating plate bias and rotate in an actuating direction.
6. The apparatus of claim 1 including means on said starter ring adapted to be engaged by said charging lever when said charging lever is moved in said driving direction so that said starting means is moved out of engagement with said anchor arresting means when said charging lever is restored to its original position.
7. The apparatus of claim 6 including means on said shaft for engaging said charging lever when said shaft is rotated in said driving direction so that said charging lever is effectively driven by said shaft and restored to its original position when said shaft is returned to its initial position.
8. The apparatus in claim 1 including: means for biasing said anchor arresting means in a direction tending to place said anchor in said anchoring position; and wherein said starting ring is operative, when rotated in said driving direction, to move out of engagement with said anchor arresting means so that said anchor arresting means urges said anchor means toward said anchoring position.
9. The apparatus of claim 8 including means on said starter ring adapted to be engaged by said charging lever when said charging lever is moved in said driving direction so that said starting means is moved out of engagement with said anchor arresting means when said charging lever is restored to its original position.
10. The apparatus of claim 9 including means on said shaft for engaging said charging lever when said shaft is rotated in said driving direction so that said charging lever is effectively driven by said shaft and restored to its original position when said shaft is returned to its initial position.
11. The apparatus of claim 8 including a cam plate mounted on said shaft for rotation therewith, said cam plate having a first surface thereon for engaging said anchor arresting means to place said anchor arresting means in said non-anchoring position when said shaft is in said initial position.
12. The apparatus of claim 11 including means on said starter ring adapted to be engaged by said charging lever when said charging lever is moved in said driving direction so that said starting means is moved out of engagement with said anchor arresting means when said charging lever is restored to its original position.
13. The apparatus of claim 12 including means on said shaft for engaging said charging lever when said shaft is rotated in said driving direction so that said charging lever is effectively driven by said shaft and restored to its original position when said shaft is returned to its initial position.
14. The apparatus of claim 11 including: an actuating plate rotatable with respect to said shaft so that rotation of said actuating plate in an actuating direction represents an output motion of the self-timer; means for biasing said actuating plate for rotation in a non-actuating direction; a projection on said actuating plate; a pivotable actuating lever having a surface thereon for engaging said projection on said actuating plate; and means associated with said actuating lever for biasing said actuating lever in a direction tending to rotate said actuating plate in said actuating direction when said actuating lever surface engages said first projection.
15. The apparatus of claim 14 wherein said cam plate has a second surface thereon for moving said actuating lever in a direction opposite to the bias force thereon during rotation of said shaft in said driving direction.
16. The apparatus of claim 15 including a third surface on said cam plate for engaging a second surface on said actuating lever during rotation of said shaft in said driving direction so that said first surface on said actuating lever causes said projection on said actuating plate to overcome said actuating plate bias and rotate in an actuating direction.
17. A self-timer comprising: a central shaft; driving means coupled to said shaft for driving said shaft in a driving direction; a charging lever rotatably mounted on said shaft and having means affixed thereto for rotating said shaft from an initial position in a winding direction opposite to said driving direction; anchor means having an anchoring position for preventing rotation of said ahaft in said driving direction and a non-anchoring position for permitting rotation of said shaft in said driving direction; anchor arresting means for placing said anchoring means in said anchoriNg position; means for biasing said anchor arresting means in a direction tending to place said anchor in said anchoring position; a starter ring rotatable about said shaft and having starting means thereon for selectively engaging said anchor arresting means, said anchor arresting means being operative in response to such engagement for removing said anchor means from said anchoring position, said starter ring being adapted to be engaged by said charging lever when said charging lever is moved in said driving direction so that said starting means is moved out of engagement with said anchor arresting means when said charging lever is restored to its original position; a cam plate mounted on said shaft for rotation therewith, said cam plate having first, second, and third surfaces thereon; said first surface being operative to engage said anchor arresting means to place said anchor arresting means in said non-anchoring position when said shaft is in said initial position; an actuating plate rotatable with respect to said shaft so that rotation of said actuating plate in a actuating direction represents an output motion of the self-timer; means for biasing said actuating plate for rotation in a non-actuating direction; a projection on said actuating plate; a pivotable actuating lever having a first surface thereon for engaging said projection on said actuating plate; means associated with said actuating lever for biasing said actuating lever in a direction tending to rotate said actuating plate in said actuating direction when said first actuating lever surface engages said projection on said actuating plate, said second surface on said cam being operable to move said actuating lever in a direction opposite to the bias force thereon when said shaft is rotated in said driving direction, and said third surface on said cam being operable to engage a second surface on said actuating lever during rotation of said shaft in said driving direction so that the first surface on said actuating lever causes said projection on said actuating plate to rotate and overcome said actuating plate bias to rotate said actuating plate in an actuating direction; means on said shaft for engaging said charging lever when said shaft is rotated in said driving direction so that said charging lever is effectively driven by said shaft and restored to its original position when said shaft is returned to its initial position; and means to limit rotation of said charging lever and thereby said shaft when said charging lever is rotated in said winding direction.
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