GB193549A - Improvements in locking mechanism for "loose-leaf" binders - Google Patents
Improvements in locking mechanism for "loose-leaf" bindersInfo
- Publication number
- GB193549A GB193549A GB3274521A GB3274521A GB193549A GB 193549 A GB193549 A GB 193549A GB 3274521 A GB3274521 A GB 3274521A GB 3274521 A GB3274521 A GB 3274521A GB 193549 A GB193549 A GB 193549A
- Authority
- GB
- United Kingdom
- Prior art keywords
- posts
- cam member
- projection
- release
- grip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
- B42F13/00—Filing appliances with means for engaging perforations or slots
- B42F13/36—Locking followers; Pressure bars
Landscapes
- Clamps And Clips (AREA)
Abstract
193,549. Copeland Chatterson Co., Ltd., and Mann, A. Dec. 6, 1921. Locking-followers.- In a post file wherein the clamping bar sliding on the posts contains camoperated, sliding, locking plates adapted to grip or release the posts, the cam member f is provided with a projection g<1> adapted to engage an abutment i on the clamping member so as to limit its turning movement. The posts c are attached to a solid clamping bar a and pass through the slidable bar b containing spring members j, j<1>, the free ends of which normally grip the posts. Slidable plates e, e<1> bent downwards and bifurcated at their outer ends, are adapted, when forced outwards by the engagement of the cam member f with their flanged inner ends, to lift the members j, j<1> and release the posts. The projection g<1> on the cam member is semi-circular and moves in a slot g<2>, of circular form having a right-angled abutment i formed therein which limits the movement of the cam member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3274521A GB193549A (en) | 1921-12-06 | 1921-12-06 | Improvements in locking mechanism for "loose-leaf" binders |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3274521A GB193549A (en) | 1921-12-06 | 1921-12-06 | Improvements in locking mechanism for "loose-leaf" binders |
Publications (1)
Publication Number | Publication Date |
---|---|
GB193549A true GB193549A (en) | 1923-03-01 |
Family
ID=10343375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3274521A Expired GB193549A (en) | 1921-12-06 | 1921-12-06 | Improvements in locking mechanism for "loose-leaf" binders |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB193549A (en) |
-
1921
- 1921-12-06 GB GB3274521A patent/GB193549A/en not_active Expired
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