摘要:
A screw strip for holding a plurality of screws (5) is flexible, and includes a plurality of interconnected screw-holding strip portions (6). Each of the screw-holding strip portions (6) includes an annular planar top wall (61) and a plurality of pressed and spaced-apart holding tongues (63). The holding tongues (63) extend integrally, downwardly and inwardly from an inner periphery (611) of the top wall (61) so as to define a screw-clamping space (64) thereamong, which clamps a respective one of the screws (5) therewithin.
摘要:
A screw feeder (10) is disclosed which can be mounted to a screwdriver (12) for holding a screw (32) in position relative to a screwdriver bit (16) of the screwdriver (12) to enable insertion of the screw (12) into a workpiece adjacent the holding portion (30). The screw feeder (10) has a holding portion (30) and a feeder portion (34) adjacent the holding portion (30). The holding portion (30) can releasably hold a first screw (32) in position relative to the screwdriver bit (16) and receive a distal end of the screwdriver bit (16) to enable the screwdriver bit (16) to insert the first screw (32) into the workpiece. The feeder portion (34) is arranged adjacent the holding portion (30) and is adapted to receive a plurality of second screws (36) and to sequentially feed each of the second screws (36) into the holding portion (30) in response to retraction of the screwdriver bit (16) from the holding portion.
摘要:
A novel workpiece engaging nose body (20) for holding a screwstrip (14) having screws (16) held in a strap (13) is provided. The workpiece engaging nose body includes a nose portion (24) and a rear portion (22) with the nose portion slidably mounted on the rear portion for movement rearwardly when the nose is urged into a workpiece to drive a screw. An exitway (87) is defined between the nose portion and rear portion through wich spent strap from wich screws have been driven exit the nose body. On urging the nose body into the workpiece, the nose portion slides rearwardly to engaged the strap in the exitway and move it rearwardly into engagement with the rear portion in the exitway. The strap is preferably 'pinched' in the exitway between the nose portion and rear portion to assist in locating a screw to be driven from the nose body.
摘要:
A screw driving machine 1 is designed for screwing down roofing material 3 on a building's roof, in which washers are placed under the screw heads. The screw driving machine 1 has a frame 13 on which there is a movable carrier 15 for washers. This carrier 15 can be moved along a horizontal first guide 17 situated on the frame, and is provided with a stop against which a washer 21 can be positioned. There is also a washer holder 27 on the carrier 15 in which there is a stack 29 of washers. The screw driving machine 1, furthermore, has a screwing device 31 that can be moved along a second guide 33, situated vertically on the frame 13. Moreover, there is a means of placing 35 attached to the frame 13, for taking a washer from the washer holder 27 and placing it on the carrier 15. The means of placing 35 is a means of gripping 39, for gripping a washer, and an additional means of moving 41, in order to move the means of gripping. This means of gripping 39 is an electromagnet, which is fastened to the piston's free end.
摘要:
The present invention provides a screw alignment device (10) for use with a screw driving tool and a screw (71) during a fastening operation, with said screw being of the type having a shank disposed between a screw head and a distal end, the screw driving tool being of the type having a shaft with a gripping formation at one end thereof and a screw engaging formation at the other end thereof for engagement with the screw head, said screw alignment device including a screw guide having a body of generally annular configuration formed from a resilient material and having an internal cavity (14) of generally frustoconical configuration tapering convergently towards a forward end of the screw guide (17); a tool guide (20) spaced rearwardly from the screw guide and aligned generally with the cone axis (18); and a connector which connects the screw guide to the tool guide; where, in use, a screw can be located in the screw guide so as to be aligned generally with the cone axis, the distal end of the screw projecting through said forward end and the head of the screw being held by the screw guide, and said tool guide receiving said tool so that when engaged with the screw head said tool, said screw and said screw guide are held together with said tool and screw aligned, and by driving the screw forwardly into a surface to receive said screw, the head of the screw will cause the screw guide to flex outwardly to permit the screw to pass through the screw guide.
摘要:
The invention relates to a portable tool used for installing fixing elements for assembling parts, which is particularly suitable for assembling machined parts or sheet metal by means of riveting. Said portable tool comprises the following: means for distributing fixing elements, one by one, according to a distribution axis; means for holding a fixing element according to a placement axis; loading means for transferring a fixing element from said distribution means to said holding means; and means for mounting a fixing element in a hole provided in said parts. Said tool is characterized in that the loading means alternate between a loading movement for transferring a fixing element from said distribution means to said holding means and a movement back to the initial position. During said movements, the loading means describe the same path, alternating between one direction and the opposite direction.
摘要:
A belt-retaining member (34) is disposed in a slider member (33) of a driving gun 3, and includes an engaging finger (34F) with a pointed front end (340) , an enlarged rear end (344) , and upper and lower sliding faces (341, 342) that extend divergently and rearwardly from the pointed front end 340 toward the enlarged rear end (344). The upper and lower sliding faces (341,342) are in frictional contact with a periphery of a retaining notch unit (401) formed in a screw feed belt (40) to permit the periphery of the retaining notch unit (401) in the screw feed belt (40) to overcome friction between the periphery of the retaining notch unit (401) and the upper sliding face (341) for sliding downwardly along the upper sliding face (341) when the screw feed belt (40) is drawn downwardly, and to permit the periphery of the retaining notch unit (401) to overcome friction between the periphery of the retaining notch unit (401) and the lower sliding face (342) for sliding upwardly along the lower sliding face (342) when the screw feed belt (40) is drawn upwardly.
摘要:
A belt-retaining member (34) is disposed in a slider member (33) of a driving gun 3, and includes an engaging finger (34F) with a pointed front end (340) , an enlarged rear end (344) , and upper and lower sliding faces (341, 342) that extend divergently and rearwardly from the pointed front end 340 toward the enlarged rear end (344). The upper and lower sliding faces (341,342) are in frictional contact with a periphery of a retaining notch unit (401) formed in a screw feed belt (40) to permit the periphery of the retaining notch unit (401) in the screw feed belt (40) to overcome friction between the periphery of the retaining notch unit (401) and the upper sliding face (341) for sliding downwardly along the upper sliding face (341) when the screw feed belt (40) is drawn downwardly, and to permit the periphery of the retaining notch unit (401) to overcome friction between the periphery of the retaining notch unit (401) and the lower sliding face (342) for sliding upwardly along the lower sliding face (342) when the screw feed belt (40) is drawn upwardly.