Switch control with lost motion actuator
阅读：639发布：2022-02-16
专利汇可以提供Switch control with lost motion actuator专利检索，专利查询，专利分析的服务。并且A switch control is disclosed for an electric motor having a push collar mounted on a shaft for substantially coaxial movement with respect to the shaft from a first motor run push collar position through successive second, third and fourth push collar imparting switch control operative event positions to a fifth motor stop push collar position. The switch control comprises first means for engaging the push collar with the switch actuator at the push collar second position, and second means for engaging the actuator with a resilient switch blade at the push collar third position. Third means are provided for bringing a mobile switch contact on the resilient switch blade into engagement with an immobile switch contact at the push collar fourth position. The switch control further comprises fourth means for causing the push collar to apply force against the switch actuator at a first rate of force increase as the push collar moves from the fourth push collar position to a push collar position intermediate the fourth and fifth collar positions, and for causing the push collar to apply force against the switch actuator at a second rate of force increase as the push collar moves from the intermediate position towards the fifth push collar position with the second rate of force increase being less than the first rate of force increase.，下面是Switch control with lost motion actuator专利的具体信息内容。
1. A switch control comprising a housing; first and second terminals mounted to said housing; a resilient switch blade having an immobile portion mounted within said housing and electrically connected to said first terminal, and a mobile portion carrying a mobile switch contact; an immobile switch contact mounted within said housing adjacent said mobile switch contact and electrically connected to said second terminal; a first actuating member movably mounted within said housing to engage and move said resilient switch blade mobile portion; a second actuating member movably mounted within said housing adjacent said first actuating member; spring means mounted between said first and second actuating members to translate motion of said second actuating member relative to said switch blade to said first actuating member through said spring means; and stop means mounted within said housing adjacent said spring means to limit movement of said spring means and thereby limit the translation of motion of said second actuating member to said first actuating member.
2. A switch control in accordance with claim 1 wherein said stop means is integrated with said housing.
3. A switch control in accordance with claim 1 wherein said stop means comprises two spaced walls limiting movement of said spring means therebetween.
4. A switch control in accordance with claim 1 wherein said housing defines a portal through which an external portion of said second actuating member may slidably pass.
5. A switch control in accordance with claim 1 wherein said housing defines two cavities; said switch blade is mounted in one of said cavities; and said spring means is mounted in the other of said cavities.
6. A switch control in accordance with claim 5 wherein said housing defines a passageway communicating between said two cavities through which passageway said first actuating member may slidably pass.
7. A switch control in accordance with claim 1 comprising third and fourth terminals mounted to said housing; a second resilient switch blade having an immobile portion mounted within said housing and electrically connected to said third terminal, and a mobile portion; a second mobile switch contact mounted to said second switch blade mobile portion, a second immobile switch contact mounted within said housing adjacent said second mobile switch contact and electrically connected to said fourth terminal; and wherein said first actuating member has a notch through which said second switch blade mobile portion passes.
8. A switch control comprising a housing; first and second terminals mounted to said housing; a resilient switch blade having an immobile portion mounted within said housing and electrically connected to said first terminal, and a mobile portion having a mobile switch contact; and immobile switch contact mounted within said housing adjacent said mobile switch contact and electrically connected to said second terminal; a first actuating member movably mounted within said housing to engage and move said resilient switch blade mobile portion; a second actuating member movably mounted within said housing adjacent said first actuating member for movement in unison with said first actuating member; said first and second actuating members defining aligned apertures; and a compression spring mounted within said aligned apertures.
9. A switch control in accordance with claim 8 wherein said first actuating member has a first tab projecting into said first actuating member aperture; said second actuating member has a second tab projecting into said second actuating member aperture; and said compression spring has a first spring end and a second spring end with said first spring end mounted about said first tab and with said second spring end mounted about said second tab.
10. A switch control actuator adapted to be slidably mounted in a switch control housing which housing defines a cavity, a portal through which a portion of the actuator may pass from the housing cavity to the housing exterior, and two confronting spring stops, said switch control actuator comprising a first actuator bar member having a first longitudinal slot; a second actuator bar member having a second longitudinal slot in juxtaposition with said first longitudinal slot; and a compression spring mounted within said first and second longitudinal slots with a first spring end disposed adjacent the first spring stop and a second spring end disposed adjacent the second spring stop.
11. A switch control actuator in accordance with claim 10 wherein said first actuator bar member has a first longitudinal tab projecting from a first slot defining surface into said first longitudinal slot, and said second actuator bar member has a second longitudinal tab projecting from a second slot defining surface into said second longitudinal slot.
12. A switch control actuator in accordance with claim 11 wherein said first spring end is disposed about said first tab in contact with said first slot defining surface, and said second spring end is disposed about said second tab in contact with said second slot defining surface.
13. A switch control actuator in accordance with claim 11 wherein said first actuator bar member has a notch through which a portion of a switch blade may pass.
14. A switch control comprising a housing; first, second and third terminals mounted to said housing; first and second switch contacts mounted apart within said housing facing one another and electrically connected to said first and second terminals, respectively; a switch blade having a fixed end portion mounted within said housing and electrically connected with said third terminal, and a free end disposed between said first and second switch contacts; a third switch contact on said switch blade free end to make and break contact with said first switch contact upon actuation of said switch blade; a fourth switch contact on said switch blade free end to make and break contact with said second switch contact upon actuation of said switch blade; and said second and fourth switch contacts being spaced apart a first distance when said first and third switch contacts are closed; a first actuating member movably mounted within said housing to actuate said switch blade; a second actuating member movably mounted within said housing adjacent said first actuating member; a compression spring of predetermined length uncompressed having a first spring end mounted to said first actuating member and a second spring end mounted to said second actuating member; and two spring stops affixed to said housing disposed apart a second distance facing said spring ends as with said second distance being at least as great as said spring predetermined uncompressed length plus said first distance.
15. A switch control in accordance with claim 14 wherein said housing defines a portal through which a portion of said second actuating member projects.
16. A switch control comprising a housing; first, second and third terminals mounted to said housing; first and second switch contacts mounted apart within said housing facing one another and electrically connected to said first and second terminals, respectively; a switch blade having a fixed end portion mounted within said housing and electrically connected with said third terminal, and a free end disposed between said first and second switch contacts; a third switch contact on said switch blade free end to make and break contact with said first switch contact upon actuation of said switch blade; a fourth switch contact on said switch blade free end to make and break contact with said second switch contact upon actuation of said switch blade; said second and fourth switch contacts being spaced apart a first distance when said first and third switch contacts are closed; a first actuating member comprising a first elongate bar movably mounted within said housing to actuate said switch blade; a second actuating member comprising a second elongate bar movably mounted within said housing adjacent said first actuating member; said first and second elongate bars having aligned longitudinal slots; a compression spring of predetermined length uncompressed seated in said longitudinal slots and having a first spring end mounted to said first actuating member and a second spring end mounted to said second actuating member; and two spring stops disposed apart a second distance facing said spring ends with said second distance being at least as great as said spring predetermined uncompressed length plus said first distance.
17. A switch control comprising a housing; first, second and third terminals mounted to said housing; first and second switch contacts mounted apart within said housing facing one another and electrically connected to said first and second terminals, respectively; a switch blade having a fixed end portion mounted within said housing and electrically connected with said third terminal, and a free end disposed between said first and second switch contacts; a third switch contact on said switch blade free end to make and break contact with said first switch contact upon actuation of said switch blade; a fourth switch contact on said switch blade free end to make and break contact with said second switch contact upon actuation of said switch blade; said second and fourth switch contacts being spaced apart a first distance when said first and third switch contacts are closed; a first actuating member movably mounted within said housing to actuate said switch blade; a second actuating member movably mounted within said housing adjacent said first actuating member; a compression spring of predetermined length uncompressed having a first spring end mounted to said first actuating member and a second spring end mounted to said second actuating member; and two spring stops forming integral portions of said housing disposed apart a second distance facing said spring ends with said second distance being at least as great as said spring predetermined uncompressed length plus said first distance.
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