Position and angle of polar adjustable vice

Abstract: An adjustable angle vice that is movably adjustable in four different directions or coordinates. The vice has an upper frame, including clamping faces carried thereby, that is carried by a base frame. The upper frame is pivotably joined to the base frame for pivotal movement of the upper frame in a pivotal direction. The upper frame is further joined to the base frame, so that the upper frame sliding moves relative to the base frame in a first horizontal direction. The base frame is rotatably carried by an upstanding rod, so that the vice, including the upper frame, may be rotationally moved in a rotational direction. The rod is slidingly joined to the base frame, so the the vice, including the upper frame may be slidingly moved in a second horizontal direction. Finally, rotational movement of the rod also vertically moves the upper frame in a vertical direction.

Description: Field of the Invention The present invention relates to adjustable angle vices and, in particular, to adjustable angle vices that are simultaneously adjustable in a plurality of directions positioning and working on a workpiece. Background of the Invention Vices for clamping workpieces often utilise drills that are driven along longitudinal axes of the drill. With such drills (except during heavy-duty working), the workpieces are held steady with manpower while the drill itself is moved horizontally. Use of such an arrangement can be quite limited, especially when large or irregularly shaped workpieces are involved. Other devices of which I am aware include two-way vices that provide for positive positioning of a vice in two co-ordinates. US-A-2502784 (Fahlander) describes a vice having adjustable jaws movable relative to each other. In particular, Fahlander discloses an adjustable angle vice for clamping a workpiece and comprising a foot plate, a base frame and an upper frame; the upper frame including at least one pair of clamping jaws, at least one of said clamping jaws being movable against the other for the selective clamping and unclamping of workpiece therebetween, the upper frame being supported by the base frame, firstly by means of a pair of pivots, and secondly by means of pair of lateral struts pivotally secured to the base frame and respective pivot points and including respective trackways each accommodating a slide fixed to the upper frame and slidably in said trackway when the upper frame is pivoted about said pivot points, said slides being further adapted to aiding and fixing and securing the upper frame in the pivoted position selected; base frame being rotatably supported by the foot plate for rotational movement of the base frame about a vertical axis relative to the foot plate, and the latter being connected to a foot support. Summary of the Invention The object of the present invention is the provision of an adjustable angle vice that may be moved in a plurality of different directions (co-ordinates) for the clamping and moving of a workpiece. It is a further object of the present invention to provide such an adjustable angle vice that may be moved in pivotal and rotational directions (co-ordinates), as well as in a first horizontal direction (co-ordinate) and a second horizontal direction (co-ordinate). It is a still further object of the present invention to provide such an adjustable angle vice that may further move in a vertical direction (co-ordinate), so as to provide for vertical adjustability of the vice. In order to achieve these objects, adjustable vices according to the present invention are defined in claims 1 and 4. Preferred embodiments of the vice of claim 1 are defined in claims 2 and 3. Brief Description of the Drawings Figure 1 is an exploded perspective view of a first embodiment of the adjustable angle vice of the present invention. Figure 2 is a top view of the vice of Figure 1. Figure 3 is a side view of the vice of Figure 1 illustrating, in phantom lines the pivotal movement of the upper frame relative to the base frame in a pivotal direction (co-ordinate). Figure 4 is a perspective view of a base frame that may be employed in the vice of the present invention. Figure 5 is a top view of the base frame of Figure 4. Figure 6 is a side view of the base frame of Figure 4. Description of Preferred Embodiments With reference now to the drawings, the adjustable angle vice of the present invention includes an upper frame 101 and a base frame 108. The upper frame 101 is supported by the base frame 108 for simultaneous movement in rotational, pivotal, two horizontal and vertical directions (co-ordinates), as will be discussed at length below. The upper frame 101 includes at least one first 104 and one second 105 clamping surface 104 and 105 respectively. At least one of the said clamping surfaces 104, or 105 is movable towards the other of said clamping surfaces for the selective clamping and unclamping of workpieces therebetween. The clamping face 104 is slidably horizontally moved with the use of guide rod 102 and slide rails 103. The upper frame further includes substantially parallel vertical side walls 106 and 107 in which respective sliding pivot apertures are formed. The base frame 108 includes a lower portion 109. Holes or grooves 100 are formed in a forward end of the lower portion 109 for optional fixing (securing) of the base frame 108 to a support by use of, for example, bolts. Upwardly-extending parallel longitudinal arms 111 and 112 are formed on each side of the base frame 108. Each of the arms 111 and 112 has a respective, substantially parallel, longitudinal trackway 121 and 122, respectively, formed therein. A pair of sliding pivots 125 and 126 are rotatably carried by the upper frame 101, such that the upper frame 101 pivots about the sliding pivots 125 and 126 for pivotal movement of the upper frame 101, and the clamping faces 104 and 105 carried thereby, in a pivotal direction (coordinate) relative to the base frame 108. Each of the sliding pivots 125 and 126 is slidingly received in a respective trackway 121 and 122, respectively of the base frame 108. In this fashion, the upper frame 101 and the clamping faces 104 and 105 are horizontally movable relative to the base frame 108 in a first horizontal direction (coordinate). Also in this fashion, the upper frame 101 is supported and carried by the base frame 108. The sliding pivots 125 and 126 are further received in the respective sliding pivot apertures formed in the side walls 106 and 107. Positioned thus, the pivots 125 and 126 may be selectively adjustably tightened and loosened by use of bolts 119 and 120, that are rotatably received in a lateral shaft 118 located between the wings 111 and 112. Such tightening secures the upper frame 101 into a selected pivoted position. Loosening of the bolts 119 and 120 permits pivoting of the upper frame 101 in the pivotal direction (coordinate) relative to the base frame 108, as described above. Disposed on either side of the frames 101 and 108 are a pair of lateral struts 123 and 124. Struts 123 and 124 have respective first ends that are pivotally secured to the base frame 108 at respectively pivot points. This provides for pivotal movement of the struts 123 and 124 in a pivotal direction relative to the base frame 108 about the pivot points in response to the pivotal movement of the upper frame 101 including the clamping faces 104 and 105 carried thereby in the pivotal direction (co-ordinate). Each said struts 123 and 124 has a respective trackway formed therein. A pair of slides (bolts) are provided. Each slide is received through one of the respective trackways formed in the struts 123 and 124 (with the respective heads thereof preventing the disengagement of the slides from the respective trackways) and is fixed (bolted) to the upper frame 101 at a location that is spaced from the sliding pivots 125 and 126. In this fashion, the slides freely slide in the trackways of the struts 123 and 124 when the upper frame 101 is pivoted in the pivotal direction (co-ordinate). Also in this fashion, the slides aid in fixing and securing the upper frame 101 in the pivoted position selected. Finally, apertures (axle holes) 127 and 128 are formed in the base frame 108 for securing the base frame 108 to a support, as will be discussed at length below. Means is provided and described for securing the vice to a suitable support such as a bench. Preferably, the means permits for the vice and in particular for the upper frame 101 and the clamping jaws 104 and 105 carried thereby, to be rotationally moved in a rotational direction (co-ordinate) in a horizontal plane. In this fashion, the upper frame 101, including the clamping faces 104 and 105 carried thereby may be rotationally adjusted and positioned. The means for securing the vice to a support includes a foot plate that is received on and secured to a support by any suitable means, such as bolts. The foot plate includes an upstanding internally threaded boss formed therein. The means for securing the vice is not shown in the drawings, but an upstanding externally threaded rod having a vertical axis is provided. This rod includes a lower end, an upper end and an enlarged nut portion located at substantially the upper end of the rod. The threads of the rod mutually-engage the threads of the boss so that the lower end of the rod is rotatably received in the threaded boss and carried by the foot plate for rotational movement in the rotational direction. It is noted that rotational movement of the rod in the rotational direction about the vertical axis raises and lowers the height of the rod in the foot plate. The upper end of the rod is secured or joined to the base frame 108 at either of the apertures 127 and 128. Use of the rotatable lug in the apertures 127 and 128 permits rotational movement of the rod in a rotational direction (co-ordinate) while the vice does not rotate. This permits the vertical height of the vice to be adjusted. Alternatively, the use of the lugs permits rotational movement of the vice, including the upper frame 101 and the clamping faces 104 and 105 carried thereby, in the rotational direction (co-ordinate) while the rod remains stationary. In this manner, the vice may be selectively rotationally moved in a rotational direction (co-ordinate), so that the desired rotational positioning of the vice may be achieved without substantially altering the vertical height of the vice. It is preferred to equip the vice with various indicia, so that the amount of movement of the vice and, in particular, of the upper frame of the vice, may be visually indicated. In this respect, indicia is formed on the sliding pivots 125 and 126 and the upper frame 101 that interact for visually indicating the pivotal position of the upper frame 101 including the clamping faces 104 and 105 carried thereby. Further in this respect, the foot plate and the rod have indicia formed thereon that interact for visually indicating the rotational position of the upper frame 101, including the clamping faces 104 and 105 carried thereby. With reference now to Figures 4-6, an alternative arrangement for a base frame is disclosed, which base frame permits the upper frame, including the clamping faces carried thereby, to pivotally move in a pivotal direction (co-ordinate). In this embodiment, the sliding pivots 125 and 126 in the trackways 121 and 122, respectively are eliminated. The pivots 125 and 126 are replaced by a pair of parallel ears 134 having respective aligned apertures formed therethrough. A bolt 131 is disposed so as to be received through the sliding pivot holes formed in the upper frame and the aligned apertures formed in the respective ears 134. The bolt 131 is then held in place by nuts 132. The upper frame can then pivotally move in a pivotal direction (coordinate) about the bolt 131, the longitudinal axis of which also defines the pivot point. The trackway 133 formed in the base frame provides for the sliding movement of the upper frame in a horizontal direction (coordinate).

Claims: An adjustable angle vice for clamping a workpiece comprising a foot plate, a base frame (108) and an upper frame (101); the upper frame (101) including at least one pair of clamping faces (104, 105) at least one of said clamping faces (104) being movable towards the other (105) for the selective clamping and unclamping of workpieces therebetween, the upper frame being supported by the base frame (108) firstly by means of a pair of pivots (125, 126) and secondly by means of a pair of lateral struts (123, 124) pivotally secured to the base frame (108) at respective pivot points and including respective trackways each accommodating a slide fixed to the upper frame (101) and slidable in said trackway when the upper frame (101) is pivoted about said pivot points, said slides further being adapted to aid in fixing and securing the upper frame (101) in the pivoted position selected; and the base frame (108) being rotatably supported by the foot plate for rotational movement of the base frame (108) about a vertical axis relative to the foot plate, the latter being secured to a support, characterised in that the base frame (108) has a pair of substantially parallel longitudinal trackways (121, 122) formed therein, the pivots (125, 126) connecting the upper frame (101) to the base frame (108) are slidably received in said longitudinal trackways (121, 122) of the base frame (108) such that the upper frame (101) is slidable in a first horizontal direction relative to the base frame (108) and to said struts, whereby the slides (126) are sliding in the trackways of the struts (123, 124); the base frame (108) further has location apertures (127, 128) for mounting the base frame (108) on the foot plate, each aperture forming a single mounting position in which longitudinal sliding adjustment is prevented and the foot plate further has an internally threaded boss, and a vertical, upstanding rod the lower end of which is threaded for rotatable engagement with the boss of the foot plate and the upper end of which carries a rotatable lug, said lug being received in one of the apertures (127, 128) of the base frame (108) so that rotation of the rod in the boss vertically moves the rod for causing vertical movement of the base frame (108) carrying the upper frame (101) and the clamping faces (104, 105). An adjustable angle vice according to claim 1, characterised in that sliding pivots (125, 126) and the upper frame (101) include indicia thereon for visually indicating the pivotal position of the upper frame (101) including the clamping jaws (104, 105) carried thereby. An adjustable angle vice according to claim 1, characterised in that the foot plate and the rod include indicia thereon for visually indicating the rotational position of the upper frame (101) including the clamping jaws (104, 105) carried thereby. An adjustable angle vice for clamping a workpiece comprising a foot plate, a base frame (108) and an upper frame (101); the upper frame (101) including at least one pair of clamping faces (104, 105) at least one of said clamping faces (104) being movable towards the other (105) for the selective clamping and unclamping of workpieces therebetween, the upper frame being supported by the base frame (108) by means of a pair of pivots (132, 134); and the base frame (108) being rotatably supported by the foot plate for rotational movement of the base frame (108) about a vertical axis relative to the foot plate, the latter being secured to a support, characterised in that the upper frame is supported by the base frame (108) without the use of lateral struts between the base frame (108) and the upper frame; the base frame (108) farther has a longitudinal trackway (133) facing the foot plate for mounting the base frame (108) on the foot plate, and the foot plate further has an internally threaded boss, and a vertical, upstanding rod the lower end of which is threaded for rotatable engagement with the boss of the foot plate and the upper end of which carries a rotatable lug, said lug being received in the trackway (133) of the base frame (108) so that rotation of the rod in the boss vertically moves the rod for causing vertical movement of the base frame (108) carrying the upper frame (101) and the clamping jaws (104, 105).

Inventors: YANG TAI-HER, YANG, TAI-HER
Applicants: YANG TAI HER, YANG, TAI-HER
Application year: 1990
Main classification: B25B1
IPC codes: B25B1