Limit switch mounting structure for a linear actuator

Details Limit switch mounting structure for a linear actuator Limit switch mounting structure for a linear actuator

1997-03-18

1999-04-06

Friedhofer, Michael A.

Electricity: circuit makers and breakers

Limit switch

H01H 316

Patent

active

058905855

ABSTRACT:
A linear actuator in which the number of limit switches to be mounted, as well as the mounting position and direction of limit switches, can be selected with a high degree of freedom, the limit switch mounting spacing can be made short, and a positive operation is ensured while using a small number of components. Flat limit switch mounting flanges are fixed onto an outer cylinder of a linear actuator so that their positions are adjustable in both axial and circumferential directions of the outer cylinder, and a guide rail for slidably guiding a striker is supported by and between the limit switch mounting flanges. The striker is connected with the actuator rod of the actuator by a connecting rod. With projection or retraction of the actuating rod, the striker moves and actuates limit switches attached to the associated limit switch mounting flanges.

REFERENCES:
patent: 3192349 (1965-06-01), Horberg, Jr.
patent: 3369087 (1968-02-01), Eller
patent: 4137432 (1979-01-01), Kamm
patent: 4307799 (1981-12-01), Zouzoulas
patent: 4727762 (1988-03-01), Hayashi
patent: 4763219 (1988-08-01), Nakamura
patent: 4889002 (1989-12-01), Abraham
patent: 4910419 (1990-03-01), Hayashi
patent: 5579899 (1996-12-01), Arnold
patent: 5620078 (1997-04-01), Nakamura et al.
patent: 5673019 (1997-09-01), Dantoni

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