Patent ID: 11963489
Assignee: MAKITA CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 0:
1. A gardening trimmer, comprising:
a housing;
a prime mover disposed in the housing;
a guide bar extending from the housing;
a conversion mechanism configured to convert rotational motion of the prime mover to linear motion along a first direction;
a blade configured to move in reciprocating motion relative to the guide bar along the first direction in response to the linear motion of the conversion mechanism and including a plurality of slots extending along the first direction; and
a plurality of guide members each disposed in a corresponding slot of the plurality of slots of the blade and configured to guide the relative reciprocating motion of the blade,
wherein
the plurality of slots comprises:
at least one first slot in which a corresponding guide member of the guide members that is connected to the housing and the guide bar is disposed; and
a plurality of second slots in which a corresponding guide member of the guide members that is connected to the guide bar and is not connected to the housing is disposed,

the at least one first slot includes:
a first inner side surface extending along the first direction; and
a second inner side surface extending along the first direction and opposing the first inner side surface in a second direction perpendicular to the first direction,

each of the second slots includes:
a third inner side surface extending along the first direction; and
a fourth inner side surface extending along the first direction and opposing the third inner side surface in the second direction,

the plurality of guide members comprises:
at least one primary guide member, the at least one primary guide member being disposed in the at least one first slot, wherein with respect to the at least one primary guide member, a total value of a shortest distance between the at least one primary guide member and the first inner side surface in the second direction and a shortest distance between the at least one primary guide member and the second inner side surface in the second direction is a first distance; and
a plurality of secondary guide members, each of the secondary guide members being disposed in a corresponding one of the second slots, wherein with respect to one of the plurality of secondary guide members, a total value of a shortest distance between the one of the plurality of secondary guide members and the third inner side surface in the second direction and a shortest distance between the one of the plurality of secondary guide members and the fourth inner side surface in the second direction is a second distance, and

the first distance is smaller than the second distance.