US2454327A

US2454327A - Base for holding vernier calipers

Info

Publication number: US2454327A
Application number: US539861A
Authority: US
Inventors: Malsom Frank
Original assignee: Individual
Current assignee: Individual
Priority date: 1944-06-12
Filing date: 1944-06-12
Publication date: 1948-11-23
Anticipated expiration: 1965-11-23

Description

Nov. 23, 1948. F. MALSOM BASE FOR HOLDING VERNIER CALIPERS 2 Sheets-Sheet 1 Filed June 12, 1944 Nov. 23,1948. F, M SQM 2,454,327

BASE FOR HOLDING VERNIER CALIPERS Filed June 12, 1944 2 Sheets-Sheet 2' 4 IN E ro/a Patented Nov. 23, 1948 UNITED STATES PATENT OFFICE BASE FOR HOLDING VERNIER CALIPERS Frank Malsom, Maplewood, N. J.

Application June 12, 1944, Serial No. 539,861

2 Claims.

, 1 This invention relates to vernier calipers and more particularly to two attachments, one a base and gib to hold a vernier caliper in vertical position and the other an attachment to hold a Other objects and advantages will be apparent from the following detailed description when taken in conjunction with the accompanying drawing, wherein Fig. l is a vertical sectional view of a vernier caliper mounted in the proposed base and. gib and showing the attachment holding a scriber on the movable jaw of the vernier;

Fig. 2 is a top plan View of the base and gib; and

Fig. 3 is a vertical sectional view taken along the line 3-3 of Fig. 1.

Fig. 4 is a vertical sectional View of the gib removed from the base and showing the flange which fits over the vernier caliper and holds it upright, secured by means of an Allen screw fitted into the blind countersink shown in the drawing;

Fig. 5 is a vertical sectional view of the gib;

Fig. 6 is a vertical sectional View of the lock element for holding the attachment and scriber onto the movable jaw of the vernier caliper;

Fig. 7 is an end elevational view of the'lock element.

Referring now to the drawing, numeral 10 designates a base substantially rectangular in shape except that the two front corners are cut to form a triangle. The base may be made of any suitable material and in any desired manner, size or form. However, in the present embodiment of the invention the base is formed of tool steel machined to form a base with a platform transversally, approximately center. The bottom is undercut H to allow the base to set solidly on a smooth surface. A slot I2 is cut the length of the platform at approximately center and concaved at the front end.

In the present embodiment of the invention an insert l3 cut with a relief and fitting the slot perfectly is placed at the back of the slot and secured by a pin l4. However, this shape could be machined in the slot, but, the insert provides for a perfect degree angle at the bottom of the slot I5.

A gib l6, flanged at the top-center rests in the slot and is convexed as shown in Fig. 4 to match the concave at the front end of the slot. A blind countersink in this gib l6, cut at forty-five degrees and off-center along the line 2-2 receives the Allen screw l8. When a vernier caliper i9 is placed in the base the end of flange 20 on the gib overlaps the stationary jaw of the vernier; the Allen screw is tightened with a key and the gib thus secured forces the vernier into position at points 2!, 22, 23, 24, and 25 at a right angle with the base and holds it against the insert 3 at position 26 and secured at position 21 by the screw.

The invention uses an attachment 28 such as is employed to hold the scriber in a height vernier and improves it by the addition of a pivotal element 29 as shown in Fig. 6. This pivotal element locks the attachment, which holds the scriber, at the end of the movable jaw of the vernier caliper and squares it into position by the pivotal action of the pin 30 in the hole 3| which is fractionally larger than the pin.

The pivotal element squares against the point of the movable jaw at position 32 and is held in position against the concave top of the jaw by the convexed end of the pivotal element at 33. The screw 34 holds the attachment with the pivotal element and the scriber 35 securely in position for measuring.

The embodiment of the invention herein disclosed as illustrative only and may be widely modified and departed from in many ways without departing from the spirit and scope of the invention within the limits of the appended claims.

What is claimed is:

1. A base for holding a vernier caliper, said base comprising a body having a slot therein to receive the stationary jaw of the vernier caliper, a gib comprising a plate located in said slot and a flange adapted to extend over said jaw, said plate having a blind countersink on the side furthest from said jaw, and a screw mounted in said body and adapted to enter said countersink to force said plate against the jaw, wherebi the vernier caliper is held upright in the base.

2. A base for holding a vernier caliper, said base comprising a body having front and rear ends and a slot extending from said rear end to close to said front end to receive the stationary jaw of the Vernier caliper, a gib comprising a plate located in said slot intermediate said ends and a flange adapted to extend over said jaw, said plate having a blind countersink on the side furthest from said jaw, a screw mounted in said body and adapted to enter said countersink to force said plate against the jaw, an insert located in saidsldt at said rear end and adapted to engage said jaw, and a pin carried by' said body and holding said insert, said plate, said flange and said insert holding the Vernier caliper upright in the base.

FRANK MALSO M.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,650,704 Gaa e Nov. 29, 1927 2,367,743 Thorsberg Jan. 23, 1945 FOREIGN PATENTS Number Country I Date 729,611 French July 28, 1932 741,828 French Feb. 21, 1933