G - Physics – 01 – C
Patent
G - Physics
01
C
235/134
G01C 22/00 (2006.01) G06M 3/12 (2006.01)
Patent
CA 1199898
Abstract A control device for an instrument (10) attached to a vehicle wheel hub for recording the distance covered by the vehicle comprises a counting mechanism with several number-carrying wheels (25), a stamping mechanism (29,30) for stamping card , a means (41) for advancing the number-carrying wheels of the counting mechanism in response to the distance covered, and a pendulum, the oscillation axis of which coincides with the vehicle wheel axle, and which by substantially standing still effects a relative movement in relation to the record- ing instrument. This movement is utilized for driving the means for advancing the number-carrying wheels of the count- ing mechanism via a gear unit (12). The means for advancing the number-carrying wheels of the counting mechanism comprise a feed hook (14), which is deformed permanently when number- carrying wheels of the counting mechanism are blocked, and thereby effects permanent closing of a first electric contact (14b - 34). A movable member (18) in the gear unit (12) is provided with at least one signal shoulder (49), which is capable upon movement transfer of the gear unit to altern- atingly open and close a second electric contact (33 - 34). Furthermore, members (34,35) are provided for scanning the condition of the electric contacts in order to render possible rapid observation, whether the recording instrument operates in the way intended. Fig, 1 to be published.
440881
Sund Rune
Wallqvist Sven
Gowling Lafleur Henderson Llp
Haldex Ab
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