Handheld work apparatus

Details Handheld work apparatus Handheld work apparatus

2011-06-14

2011-06-14

Durand, Paul R (Department: 3721)

Tool driving or impacting

Drive control operable by hand engaging manipulating handle

C173S171000, C173S162200, C074S491000

Reexamination Certificate

active

07958946

ABSTRACT:
A handheld work apparatus has a housing (2) wherein an internal combustion engine (10) and a fuel-metering unit for the engine (10) are mounted. A throttle lever (6) is provided which is pivotally journalled on a handle (3). The handle (3) is connected to the housing (2) via at least one antivibration element (33). A vibration gap (9) is formed between the handle (3) and the housing (2). A transmitting unit (13) is provided for transmitting the pivot movement of the throttle lever (6) to the fuel-metering unit. The transmitting unit (13) includes a rigid transmitting element (17, 77) which bridges the vibration gap (9). The transmitting element (17, 77) is rotatably journalled on at least one bearing (18, 19, 59) and transmits the pivot movement of the throttle lever (6) as a rotation about a rotational axis (22) lying transversely to the vibration gap (9). A first bearing (19, 59) of the transmitting element (17, 77) is located on the fuel-metering unit.

REFERENCES:
patent: 4302880 (1981-12-01), Elfving et al.
patent: 4592445 (1986-06-01), Sawada
patent: 4785539 (1988-11-01), Nagashima
patent: 4896425 (1990-01-01), Henriksson
patent: 5029393 (1991-07-01), Nagashima et al.
patent: 5142934 (1992-09-01), Persson et al.
patent: 7269904 (2007-09-01), Schmidt et al.
patent: 2005/0183270 (2005-08-01), Schmidt et al.

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