US179649A - Improvement in cam-bolts for fastening doors - Google Patents

Improvement in cam-bolts for fastening doors Download PDF

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US179649A
US179649A US179649DA US179649A US 179649 A US179649 A US 179649A US 179649D A US179649D A US 179649DA US 179649 A US179649 A US 179649A
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Prior art keywords
cam
bolts
improvement
case
plate
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/04Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
    • E05C3/041Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted
    • E05C3/046Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted in the form of a crescent-shaped cam
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/08Locks or fastenings for special use for sliding wings
    • E05B65/0835Locks or fastenings for special use for sliding wings the bolts pivoting about an axis parallel to the wings
    • E05B65/0841Locks or fastenings for special use for sliding wings the bolts pivoting about an axis parallel to the wings and parallel to the sliding direction of the wings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/07Disc cam; also swinging windows, locking and operating means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/1039Swinging and camming
    • Y10T292/1041Rigid operating means

Description

I. '1. DYER...
CAM-BOLTS-FOR FASTENING Doom. No.179,649. Patented Ju'1y11,1876;
ATTE S' \NVENTOR.
2M X M MW m NVPEI'ERS, PHUKELKTHOQRAPMER, WQSHINGTON. D. C.
UNITED STATES PATENT OFEIoE.
ISAAC T. DYER, OF STREATOR, ILLINOIS...
IMPROVEMENT IN CAM-BOLTS FOR FASTENING DOORS.
Specification forming part of Letters Patent No. 179,649, dated July 11, 1876; application filed the jambstop.
Thenature of myinvention consists in an annular cam pivoted eccentrically to an ordinary lock-case by a knobbolt, and arranged so that by its gravity it will be held in the case or in the catch, as required.
In the drawings, Figure l is a side elevation of the cam in its case, one plate of the latter being removed to show the cam more clearly Fig. 2, an edge view of the cam in its case; Fig. 3, an edge view of the cam in the catch-plate.
A represents a cam-plate, which is fitted to turn in a case, E F Gr,and is hung eccentrical- 1y on a spindle, B, so as to remain by its gravity in the case, or remain projected out of the case, as when fastening a door, as shown by dotted lines A. The cam part proper is described by a line from O to I), and its construction is such that the thin part D of the cam first catches on the plate I, and as the knob'H is turned in the right direction the thicker part of the cam is wedged into the slot in the catch 1, and, consequently, forces adoor, to which the case E F Ur is attached, closely to thejambstop ot' a door-casing. The device is designed more especially to be used for ice-house and refrigerator doors; but it. is
December 18, 1875.
serviceable in holding any door tightly in its casing, keeping out air, and preventing rat tling and jarring.
I do not claim, broadly, a cam as a tightener; but confine myself to the combination.
In applying the device, the case E F G is tobe fastened to a door similarly to the present mortise lock or catch, and the catch-plate I is to be fastened to a jamb-casing in the same manner as for a spring catch-bolt.
The operation is to turn the knob H in one direction to lock the cam, and turn it in another direction'to unlock it.
It will be observed that the position ofthe cam, as shown by dotted lines A, is such that its lower edge strikes the shoulder J of the bottom ofthe faceplate. This is important in governing the movement of the cam in that direction. It is also important that the cam when in the case has a stop against its plate F, as shown in Fig. 1, that its extreme movements may be controlled.
Any suitable lock metal can be used in the manufacture of the device.
I claim and desire to secure by Letters Patent- The cam A (I D, eccentrically hung to the spindle B, and combined with the caseE F G,
having a stop at J on the face-plate E and against the inside of plate F, and held in either position against such stops by its gravity, as and for the purpose set forth.
ISAAC T. DYER. Witnesses:
G. L. OHAPIN, O. H. ADIX.
US179649D Improvement in cam-bolts for fastening doors Expired - Lifetime US179649A (en)

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