Battery-driven screwdriver with a two-part motor housing and a separate, flanged gear unit
First Claim
1. A cordless screwdriver having a motor housing (12) that is composed of casing halves (16,17), is equipped with a rechargeable battery (40), and is adjoined by a transmission housing (18) containing a transmission (72) equipped with an output spindle (20), wherein the casing halves (16,17) of the motor housing (12), solely with their c-shaped ends adjoining the transmission housing (18), embrace in clamp-like fashion and extend through axial, tab-like extensions (60), of the transmission housing (18), and hold the transmission housing (18) in a centered, non-rotational manner without play.
2 Assignments
0 Petitions
Accused Products
Abstract
A cordless screwdriver, having a housing (12, 18) equipped with a handle (14), having an in particular permanently installed rechargeable battery (40), and having a transmission (72), is particularly compact, lightweight, and strong because the transmission (72), embodied in the form of a sun-and-planet gear, is simply inserted into a hollow, cylindrical transmission housing (18) and can be secured in position in it by an axial securing plate (62); the transmission housing (18) is also provided with an internal gearing and serves as the sun gear as well as being integrated into the reinforcing structure of the cordless screwdriver (10).
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Citations
15 Claims
- 1. A cordless screwdriver having a motor housing (12) that is composed of casing halves (16,17), is equipped with a rechargeable battery (40), and is adjoined by a transmission housing (18) containing a transmission (72) equipped with an output spindle (20), wherein the casing halves (16,17) of the motor housing (12), solely with their c-shaped ends adjoining the transmission housing (18), embrace in clamp-like fashion and extend through axial, tab-like extensions (60), of the transmission housing (18), and hold the transmission housing (18) in a centered, non-rotational manner without play.
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15. A cordless screwdriver having a motor housing (12) that is composed of casing halves (16, 17), is equipped with a rechargeable battery (40), and is adjoined by a transmission housing (18) containing a transmission (72) equipped with an output spindle (20), wherein the casing halves (16, 17) of the motor housing (12), solely with their c-shaped ends adjoining the transmission housing (18) with an annular counterpart bead (53) embossed on the inside and an annular housing groove (54), embrace in clamp-like fashion and extend through axial, tab-like extensions (60) embodied in the form of axial teeth provided with annular counterpart profiles, of the transmission housing (18), and extend with protrusions configured as pedestals (50), between the extensions (60) and hold the transmission housing (18) in a centered, non-rotational fixed manner without play.
Specification