A pusher for a planer comprising:
- a body, a planer mounted on a top of the body, a movable control portion fixed on a rear end of the planer, and a push member arranged on a front end of the movable control portion above the planer;
- wherein the planer includes a cutter and a drive shaft in the body, the drive shaft extends to a lower portion of the movable control portion, and a transmission portion formed on a rear end of the body, a horizontal rod, a reduction wheel connected with the horizontal rod, and a threaded portion formed on the horizontal rod and located beside the reduction wheel;
- wherein the drive head of the longitudinal rod is fitted with a first end of a lower belt, a second end of the lower belt is fitted on a first receiving portion of a transmission rod above the longitudinal rod, the first receiving portion has an upper belt fitted thereon adjacent to the lower belt, and the upper belt is further fitted on a wheel rod and an auxiliary rod;
- wherein the wheel rod includes a second receiving portion of a rear end thereof, a guiding portion formed on a front end of the second receiving portion, a pushing wheel fixed in the push member, the upper belt is fitted on the second receiving portion, and the guiding portion has a transmitting belt fitted on a first end thereof, a second end of the transmitting belt is fitted on an actuation rod beside the wheel rod, the actuation rod has a driving portion formed on a rear end thereof so as to fit with the transmitting belt, and the actuation rod has another pushing wheel connected with the push member;
- wherein the auxiliary rod is supported on an auxiliary abutting block inserted onto a positioning rod which is mounted on a base, and a returning spring is fitted on the positioning rod between the base and the auxiliary abutting block;
- and
- wherein the movable control portion includes a rotary shaft mounted on an upper end of the movable control portion and extending to the movable control portion inwardly, the movable control portion includes a movable pedestal connected with the wheel rod and the actuation rod, the movable pedestal has a press post arranged therebelow, the press post has two pressing wheels arranged on a front end and a rear end of the press post respectively, a rear end of the press post abuts against the upper belt between the auxiliary rod and the second receiving portion, and a control wheel is biased against the transmitting belt between the guiding portion and the driving portion.