Linear actuator

Latest Societe Francaise d'Equipments pour La Navigation Aerienne (S.F.E.N.A.) Patents:

Description

FIG. 1 is a perspective view of a linear actuator showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a view from one end thereof;

FIG. 4 is a view from the other end thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a perspective view of a modified form of the linear actuator showing our new design; and

FIG. 7 is an end view of the modified form shown in FIG. 6.

The flexible cable is shown in alternate positions in FIGS. 1-5 and broken away in FIGS. 2-5 for ease of illustration.

Referenced Cited
U.S. Patent Documents
2870675 January 1959 Salisbury
3050943 August 1962 Thorel et al.
3425009 January 1969 Voigt
3445690 May 1969 Thorel et al.
3549917 December 1970 Espenschied
3805099 April 1974 Kelly
3869625 March 1975 Sawyer
3959071 May 25, 1976 Bevilacqua
Foreign Patent Documents
2334178 February 1974 DEX
1442500 July 1976 GBX
Patent History
Patent number: D267721
Type: Grant
Filed: Apr 17, 1979
Date of Patent: Jan 25, 1983
Assignee: Societe Francaise d'Equipments pour La Navigation Aerienne (S.F.E.N.A.) (Velizy Villacoublay)
Inventors: Jean-Claude Dupuis (Chatellerault), Georges Roudavitch (Chatellerault)
Primary Examiner: T. Tung
Law Firm: Browdy and Neimark
Application Number: 6/30,850
Classifications
Current U.S. Class: Drive Train (D15/148)
International Classification: D1599;