US689951A - Lathe-stay. - Google Patents

Description

m. swam. Patahted Dec. 3|, mm.

C. H. CLARE.

LATHE STAY.

(Application filed Aug. 5, 1901.)

(No Model.)

45 or in the position shown in Fig. 3.

UNITED Status PATENT Duties.

CHARLES HENRY CLARE, OF MANCHESTER, ENGLAND.

LATH E-STAY.

SPECIFICATION forming part of Letters Patent No. 689,951, dated December 31, 1901.

Application filed August 5, 1901. Serial No. 70,994- N model) lathe or like machine while such work is being operated upon, especially shafting requiring to be supported along its length as well as at both ends; and the chief object of the invention is to provide a stay which is adapted for supporting a variety of work or shafting of a variety of sizes in lieu of supporting one or two sizes only, as is the case with the ordinary stepped stay now in use.

The accompanying drawings illustrate the salient features of my invention.

Figure l is a side elevation, and Fig. 2 a front elevation, showing one of its uses. Fig. 3 is also a side elevation with certain of the parts reversed and showing another of its uses.

5 According to my invention I employ a standard or upright A, with foot portion B, adapted to stand on a level support. The standard A is slotted and on one side is machine-faced and recessed,as illustrated. Upon 0 such side I mount two adjustable brackets 01' bearing-blocks O D, which take slightly into the recess and are capable of being held at various elevations by studs or bolts and nuts E F. The lower bracket D is by preference 5 hollow and forms a trough and in its upper edges carries two hardened-steel rollers G H, arranged parallel to each other and free to rotate. The upper bracket 0 carries on its lower face a hardened-steel roller I, similar to and parallel with the rollers G H. Such bracket 0 is also slotted, and fitting into a recess upon its underrface is an auxiliary and adjustable block J, held by stud or bolt and nut K, either in the position shown in Fig. 1 In such auxiliary block is a hardened-steel roller L. In the position shown in Fig. l the brackets and their four rollers G H I-L are adapted for use in supporting or staying work X of large diameter, while in the position shown in Fig. 2t'. a, with the block J reversed and the roller L directly above the work-the rollers G, H, and L are adapted for supporting or staying work Y of small diameter, as illustrated, the roller I in the latter case not being used.

In both uses of my invention the brackets C D are capable of adjustment up to or away from the work. The block J is also adjustable laterally and when drawn back allows of the ready introduction of the work between the several rollers.

For work having, say, a collar or stopped part, or requiring to be stayed laterally, or which gives an end thrust against the brackets O D, I provide a set of small antifrictiou-runners M, one or more, let into the face of the bracket D, one let into each end of the axis of rollerI and a third let into each end of the axis of roller L. In lieu of runners I may employ small hardenedsteel balls. Each bracket 0 D being held adj ustably against the face of the standard A, it will be seen that by clamp ing them at an angle they may be adapted to support or stay conical work.

WVith the bracket D hollow it serves for holding lubricant, in which the rollers G H may run. By suitably reeessing bracket J it also may serve as a reservoir for a lubricant, and other variations in detail may be made without departing from my invention.

What I claim is-= 1. In a lathe-stay or the like, an upright or standard having a slot or slots and a support= ing-foot; two bearing-blocks each preferably hollow and adapted to fit against the face of the standard; studs or bolts and nuts for clamping the bracket on the standard; two hardened-steel rollers in the upper face of the lower bracket; and a similar roller in the under face of the upper bracket; an auxiliary bearing-bracket also on the under face of the upper bracket and adjustable thereon horizontally; a hardened-steel roller therein, and means for clamping the auxiliary bracket to the said upper bracket, as set forth.

2. In a lathe-stay or the like, an upright or standard having aslot or slots and asupporting-foot; two bearing-blocks each preferably hollow and adapted to fit against the face of the standard and adjustable vertically thereon; studs or bolts and nuts for clamping the brackets on the standard; two hardened-steel rollers in the upper face of the lower bracket and a similar roller in the underface of the upper I roller, an auxiliary bearing-bracket also on the under face of the upper bracket and adjustable thereon horizontally; a bardened-steel roller therein; means for clamping the auxiliary bracket to the said upper bracket; recesses in the sides of the brackets and roller-axis ends, and antifriction-rollers therein, as set forth.

3. In a lathe-stay, two pairs of rollers one In witness whereof I have hereunto set my hand in the presence of two witnesses.

CHARLES HENRY CLARE.

Witnesses GEO. H. POTTS, JOHN CAMP.

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