Rebar tying tool
AssigneeMakita Corporation
InventorsHideki MATSUSHIMA, Natsumi NOTO, Kenji KOBAYASHI
Life of this patent
Estimating the term…
Abstract
A rebar tying tool may be configured to tie rebars with a wire. The rebar tying tool may include: a contact member configured to contact the wire during a tying operation in which the rebar tying tool ties the rebars with the wire. The contact member may include: a base; and a surface layer covering at least a part of a surface of the base and configured to contact the wire during the tying operation. Hardness of the surface layer may be higher than hardness of the base.
Claims17
A rebar tying tool configured to tie rebars with a wire, the rebar tying tool comprising:
- a contact member configured to contact the wire during a tying operation in which the rebar tying tool ties the rebars with the wire,
- wherein
- the contact member comprises:
- a base;
- and
- a surface layer covering at least a part of a surface of the base and configured to contact the wire during the tying operation, and
- hardness of the surface layer is higher than hardness of the base.
A rebar tying tool configured to tie rebars with a wire, the rebar tying tool comprising:
- a first contact member;
- and
- a second contact member configured to contact the first contact member and move relative to the first contact member during a tying operation in which the rebar tying tool ties the rebars with the wire,
- wherein
- the first contact member comprises:
- a first base;
- and
- a first surface layer covering at least a part of a surface of the first base, the second contact member comprises:
- a second base;
- and
- a second surface layer covering at least a part of a surface of the second base and configured to contact the first surface layer during the tying operation,
- hardness of the first surface layer is higher than hardness of the first base, and
- hardness of the second surface layer is higher than hardness of the second base.
A rebar tying tool configured to tie rebars with a wire, the rebar tying tool comprising:
- a feed roller configured to feed the wire toward the rebars when the rebar tying tool ties the rebars with the wire,
- wherein
- hardness of a surface layer of the feed roller is equal to or more than 900 HV.
A rebar tying tool configured to tie rebars with a wire, the rebar tying tool comprising:
- a first feed roller configured to contact the wire and be rotated by a motor when the wire is fed toward the rebars;
- and
- a second feed roller configured to contact the wire when the wire is fed toward the rebars,
- wherein
- the wire is clamped between the first feed roller and the second feed roller and fed toward the rebars by rotation of the first feed roller,
- the first feed roller comprises a groove that the wire passes through when the wire is fed toward the rebars, and
- hardness of the first feed roller in the groove is equal to or more than 1000 HV.
Dependencies are inferred from the claim text.