String trimmer with adjustable guard assembly
AssigneeBlack & Decker Inc.
InventorsMark D Miller, Michael Cannaliato
Life of this patent
Estimating the term…
Abstract
An adjustable guard assembly is connected to a head assembly of a string trimmer. The adjustable guard assembly includes a housing. The housing includes a mounting portion, which connects to a motor case. The housing further includes a deck portion, which extends from the mounting portion. The deck portion has a proximal end and a distal end. A first skirt member extends along and downward from the distal end of the deck portion in a generally radially outward direction. A first blade assembly includes a first blade member, provided in the interior of the first skirt member, to engage a rotating string member.
Claims20
A string trimmer assembly, comprising:
- a support shaft having a head assembly at a first end of the support shaft, the head assembly having a motor casing and a guard assembly;
- a motor enclosed in the motor casing and coupled to a cutting head;
- the guard assembly removably secured to the motor casing and having a first blade connected thereto;
- a support member extending from the motor casing or the support shaft;
- a second blade secured to the support,
- wherein the second blade remains fixed to the head assembly when the guard assembly is removed.
A string trimmer apparatus, comprising:
- a motor case for securing a motor;
- a support member connected to the motor case;
- a guard assembly having an aperture therein;
- a first blade secured to the guard assembly, the first blade mounted within a skirt member of the guard assembly;
- and
- a second blade secured to the support member independent of the first blade, wherein the second blade is disposed adjacent the first blade when the guard assembly is attached to the motor case.
A string trimmer assembly comprising:
- a head assembly having a support member extending therefrom:
- a removable guard assembly having a housing, a mounting portion, and a deck portion extending from the mounting portion, the deck portion having a proximal end, a distal end, and a skirt member extending substantially downward from the distal end of the deck portion and having an aperture therein;
- a first blade assembly including a first blade member provided in the interior of the skirt member to engage a rotating string member;
- a second blade assembly including a second blade member secured to the support member separately from the skirt member and extending through the aperture in the deck portion such that when the skirt member of the guard assembly is removed from the head assembly, the second blade assembly remains secured to the head assembly.
Dependencies are inferred from the claim text.