Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
77 words
A rotary switch for being mounted on a printed circuit board, said switch comprising: a housing defining a throughgoing aperture; a rotor with a centric shaft, said centric shaft defining a throughgoing aperture, said rotor is frictionally mounted in said housing; and a rotating control shaft being axially adjustably mounted in the centric shaft aperture, and said centric shaft aperture being sized to adjustably receive said control shaft, and said control shaft projecting through said housing aperture.
Claim 2
Dependent Claim
77 words
A rotary switch for being mounted on a printed circuit board, said switch comprising: a housing defining a throughgoing aperture; a rotor with a centric shaft, said centric shaft defining a throughgoing aperture, said rotor is frictionally mounted in said housing; and a rotating control shaft being axially adjustably mounted in the centric shaft aperture, and said centric shaft aperture being sized to adjustably receive said control shaft, and said control shaft projecting through said housing aperture.
Claim 3
Dependent Claim
55 words
A rotary switch as in claim 1 further comprising extension means for attaching said switch to said printed circuit board, said extension means comprising plate members with ends to be inserted and projecting through apertures in said printed circuit board, said ends comprising locking means, said locking means, for snapping behind said printed circuit board.
Claim 4
Dependent Claim
26 words
A rotary switch as in claim 2, wherein said housing comprises an elastic material, with said extension means forming one structural unit with said housing part.
Claim 5
Dependent Claim
39 words
A rotary switch as in claim 3, wherein said housing further comprises the shape of a box open on one side, said open side facing said printed circuit board when said switch is attached to said printed circuit board.
Claim 6
Dependent Claim
52 words
A rotary switch as in claim 4, wherein said rotor is capable of being inserted from said open side into said housing part, said housing part comprising a limit stop for restricting the insertion depth of said rotor, said housing further comprising detent members for retaining said rotor within said housing part.
Claim 7
Dependent Claim
50 words
A rotary switch as in claim 5, wherein said rotor further comprises a stepping ring comprising elevations and recesses staggered in accordance with the contact spacing of switching steps, said switch further comprising a stop spring having at least one detent boss which is capable of lockingly engaging said recesses.
Claim 8
Dependent Claim
36 words
A rotary switch as in claim 6 wherein said stop spring comprises an annular disk, said stop spring and said housing further comprising at least one protruding tongue adapted to insertingly engage at least one groove.
Claim 9
Dependent Claim
17 words
A rotary switch as in claim 7, wherein said tongue is provided for in said stop spring.
Claim 10
Dependent Claim
31 words
A rotary switch as in claim 8, wherein said stop spring comprises two diametrically arranged detent bosses, said bosses being staggered by 90° with respect to the groove and tongue joint.
Claim 11
Dependent Claim
45 words
A rotary switch as claimed in claim 9 wherein said rotor, on its side associated with said printed circuit board, comprises several deformable plugs on which a contact spring with outwardly projecting contact blades is plugged and retained in position by deformation of said plugs.
Claim 12
Dependent Claim
32 words
A rotary switch as claimed in claim 10 wherein at least one centering pin directed towards said printed circuit board and capable of being inserted therein, is moulded to said housing part.