Machine element or mechanism – Control lever and linkage systems – Hand operated
Patent
1995-07-31
1997-08-19
Marmor, Charles A.
Machine element or mechanism
Control lever and linkage systems
Hand operated
74527, F16C 122
Patent
active
056576692
ABSTRACT:
In a walk-behind, powered lawnmower, a cable control apparatus is provided for supporting at least two different cable assemblies. The apparatus includes a housing for supporting the outer conduits of the cables at a fixed position on the handlebar of the mower and a fastener for fastening the housing to the handlebar. A throttle lever is supported on the housing for pivotal movement, the free end of the first cable being connected to the throttle lever so that movement of the lever is transmitted to the motor by the first cable, adjusting the speed of the motor. The free end of the second cable extends beyond the cable control apparatus and is connected to a separate ground drive lever so that movement of the ground drive lever is transmitted to the ground drive assembly by the second cable, actuating the ground drive assembly. The control apparatus includes an adjustment apparatus for removing slack from the second cable assembly. The adjustment apparatus includes a polygonal channel formed in the housing and sized for receipt of the ground drive conduit fitting so that engagement between the fitting and the channel prevents the fitting from rotating relative to the housing. A turnbuckle is received for threaded engagement on the fitting and is supported at a fixed axial position along the channel so that the turnbuckle can be rotated to adjust the position of the fitting within the channel. A detent is also provided for biasing the turnbuckle toward each of a plurality of rotational positions so that the biasing force must be overcome to rotate the turnbuckle from each position in either direction.
REFERENCES:
patent: D344090 (1994-02-01), Barnard
patent: 1876731 (1932-09-01), Neate
patent: 2612051 (1952-09-01), Felt
patent: 3393578 (1968-07-01), Tschanz
patent: 4038508 (1977-07-01), Mapelsden
patent: 4909094 (1990-03-01), Yoshigai
patent: 5321994 (1994-06-01), Barnard
Battista Mary Ann
Marmor Charles A.
Wescon Products Company
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