US162275A - Improvement in door-latches - Google Patents

Improvement in door-latches Download PDF

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Publication number
US162275A
US162275A US162275DA US162275A US 162275 A US162275 A US 162275A US 162275D A US162275D A US 162275DA US 162275 A US162275 A US 162275A
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United States
Prior art keywords
door
bolt
latches
improvement
levers
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Expired - Lifetime
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/407—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with ejecting or other unloading device
    • E02F3/4075—Dump doors; Control thereof
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/49—Toggle catches
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/096—Sliding
    • Y10T292/1006—Gravity actuated
    • Y10T292/1007—Operating means
    • Y10T292/1009—Link and lever

Definitions

  • Figure l represent-s a side elevation of my improved doorlock; Fig. 2, an end view; and Fig. 3, a horizontal section of the same on the line 0 c, Fig. 1.
  • My invention relates to a simple and readilyoperated door-lock, that is constructed without the use of springs and worked by a thumblever, so as to readily open and close the door.
  • the invention consists of a sliding bolt, which is operated by pivoted and horizontal toggle-levers, in connection with a thumb-1ever acting thereon.
  • A represents the sliding bolt, that is guided in suitable strips a at inside of the casing, set into the usual recess of the door.
  • the toggle-levers B are pivoted at one end to bolt A, and at the other end to a stationary pin, b, of the casing, a pendent weight, C, being hung to the pivot-pin d of the toggle-levers B, imparting continually a downward strain on the levers, and keeping the bolt thrown to the outside of the casing.
  • a thumb-lever, D passes laterally through slots e of the casing and the surrounding door below the rear lever B, and rest-s, by a projection or lug, f, at the under side, in a grooved seat, D, applied tothe outer side of the door.
  • the seating of the thumb-lever secures the position of the bolt in forward direction, without being liable to be thrown back by mere pressure on the door.
  • the thumblever D By raising the thumblever D the toggle-levers B are raised, and the bolt is thereby withdrawn, so that the door may be opened.
  • the thumblever carries the toggle-levers, by the action ofthe weight, instantly in downward direction, and shoots the bolt forward for locking, forming thus a quickly-operated, effective, and very durable lock, without the use of any springs, to wear out and require repairs.
  • the lock may be readily changed from right to left hand by pulling out the pivot-pin of the bolt and turning the same in the casing.
  • a doorlock composed ot' a sliding bolt with pivoted and weighted toggle-levers and lateral operating thumb-lever, when arranged and constructed substantially as and for the purpose set forth. f'

Description

J H CRA N E` Door-Latch. No. !62,275 PatemedAprisg0,\875,
WITNESSES INVENTB':
Q mi
/f/l j romans/ THE GRAPHIC C0.PHOT0'LITH.39&4! PARK PLAUEN-Y.
rron.
JONAS H. CRANE, OF SCHENECTADY, NEW YORK.
IMPROVEMENT IN DOOR-LATCHES.
Specification forming part of Letters Patent No. l 62,275, dated April 20, 1875; application led March 20, 1875.
To all whom it may concern: Y
Be it known that I, JONAS H. CRANE, of Schenectady, in the county of Schenectady and State of New York, have invented a new and Improved DoorLock, of which the following is a specification:
In the accompanying drawing, Figure l represent-s a side elevation of my improved doorlock; Fig. 2, an end view; and Fig. 3, a horizontal section of the same on the line 0 c, Fig. 1.
Similar letters of reference indicate corresponding parts.
My invention relates to a simple and readilyoperated door-lock, that is constructed without the use of springs and worked by a thumblever, so as to readily open and close the door.
The invention consists of a sliding bolt, which is operated by pivoted and horizontal toggle-levers, in connection with a thumb-1ever acting thereon.
In the drawing. A represents the sliding bolt, that is guided in suitable strips a at inside of the casing, set into the usual recess of the door. The toggle-levers B are pivoted at one end to bolt A, and at the other end to a stationary pin, b, of the casing, a pendent weight, C, being hung to the pivot-pin d of the toggle-levers B, imparting continually a downward strain on the levers, and keeping the bolt thrown to the outside of the casing. A thumb-lever, D, passes laterally through slots e of the casing and the surrounding door below the rear lever B, and rest-s, by a projection or lug, f, at the under side, in a grooved seat, D, applied tothe outer side of the door.
The seating of the thumb-lever secures the position of the bolt in forward direction, without being liable to be thrown back by mere pressure on the door. By raising the thumblever D the toggle-levers B are raised, and the bolt is thereby withdrawn, so that the door may be opened. rIhe release ot' the thumblever carries the toggle-levers, by the action ofthe weight, instantly in downward direction, and shoots the bolt forward for locking, forming thus a quickly-operated, effective, and very durable lock, without the use of any springs, to wear out and require repairs.
The lock may be readily changed from right to left hand by pulling out the pivot-pin of the bolt and turning the same in the casing.
Having thus described my invention, I claim as new and desire to secure by Letters Patentl. A doorlock composed ot' a sliding bolt with pivoted and weighted toggle-levers and lateral operating thumb-lever, when arranged and constructed substantially as and for the purpose set forth. f'
2. The combination of' the lateral thumb-lever, swinging in guide-slots of the casiu g, and having the bottom projection, with the grooved outer seat part, substantially as speciiied.
JONAS H. CRANE. Witnesses:
E. RosA, D. A. ATWELL.
US162275D Improvement in door-latches Expired - Lifetime US162275A (en)

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US162275A true US162275A (en) 1875-04-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090131588A1 (en) * 2005-08-31 2009-05-21 Nissan Motor Co., Ltd. Modified hydrophilic polyrotaxane and cross-linked polyrotaxane

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090131588A1 (en) * 2005-08-31 2009-05-21 Nissan Motor Co., Ltd. Modified hydrophilic polyrotaxane and cross-linked polyrotaxane

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