Abstract: A reciprocal force outputting mechanism includes a main body and a power component combined therewith; the main body includes a slide slot and two compression passages communicated with the slot; a slide block is accepted in the slide slot; a stem is accepted in each of the two compression passages, one end of each stem is combined to one flank side of the slide block; the slide block can be driven to move to and fro to allow the two stems to be moved reciprocally to respectively output a push force to enhance the working efficiency.

Abstract: A grease gun includes a relief valve and a grease barrel. The relief valve has a main member associated with the grease barrel. The main member further includes a compression passage with a relief outlet and a first opening, a first passage communicating the with compression passage at one end thereof and being joined to the barrel opening with the another end thereof, a second passage communicating with the relief outlet at one end thereof and having a second opening communicating with outside of the main member for receiving a ball, an elastic element and a screw rod and a third passage communicating with the second passage at one end thereof and joining the barrel opening at another end thereof. Once the screw rod is adjusted the length thereof in the second passage for regulating compression amount of the elastic element, the force of the ball for blocking the relief outlet is capable of being controlled.

Abstract: A structure for combining a grease gun with a grease tube comprises a protruding-out guide position portion disposed outside of a connection hole of the grease gun; internal threads are disposed in the connection hole; the inner side face of the guide positioning portion are formed with a shape corresponding to a engagement portion of the grease tube; whereby, a user only presses the engagement portion of the grease tube against the inner side face of the guide positioning section, the engagement portion of the grease tube is then allowed to be automatically in alignment with the connection hole of the grease gun and obtain a support so as to allow the grease tube to be engaged with the grease gun easily and quickly.

Abstract: A reciprocal force outputting mechanism comprises a main body and a power component combined therewith; the main body comprises a slide slot and two compression passages communicated with the slot; a slide block is accepted in the slide slot; a stem is accepted in each of the two compression passages, one end of each stem is combined to one flank side of the slide block; whereby, the slide block can be driven to move to and fro to allow the two stem to be moved reciprocally to respectively output a push force to enhance the working efficiency.

Abstract: A reciprocal force outputting mechanism having a body having a slide slot that contains a slide block, thereby providing for the linear, reciprocal movement of the slide block within the slide slot. The slide block has an elongated opening formed centrally and a row of teeth are disposed along each of the two facing sides the said elongated opening, with a stem extending from one end of the said slide block inserted through a guide hole of the body. A fan-shaped gear is secured onto a power output shaft that rotates it. When the fan-shaped gear revolves and its teeth are respectively enmeshed with a row of teeth, the slide block is brought into reciprocal motion, causing the reciprocal movement of the stem which serves as a means of outputting force.

Abstract: A reciprocal force outputting mechanism comprised of a body having a slide slot that contains a slide block, thereby providing for the linear, reciprocal movement of the slide block within the slide slot. The slide block has an elongated opening formed centrally and a row of teeth are disposed along each of the two facing sides the said elongated opening, with a stem extending from one end of the said slide block inserted through a guide hole of the body. A fan-shaped gear is secured onto a power output shaft that rotates it. When the fan-shaped gear revolves and its teeth are respectively enmeshed with a row of teeth, the slide block is brought into reciprocal motion, causing the reciprocal movement of the stem which serves as a means of outputting force.