Slide dispenser for a reagent cannister

• US 4,817,820 A
• Filed: 08/27/1987
• Issued: 04/04/1989
• Est. Priority Date: 08/27/1987
• Status: Expired due to Fees

• Current Assignee: Miles, Inc. (Bayer AG)
• Original Assignee: Miles, Inc. (Bayer AG)
• Inventors: Heiland, Robert
• Primary Examiner(s): Bartuska, F. J.
• Application Number:
  US07/090,234
• Time in Patent Office: 586 Days
• Field of Search: 221/58, 221/198, 221/232, 221/279, 221/280, 312/61, 312/71, 453/48, 453/51, 453/52, 453/53, 453/54, 206/817, 220/93, 222/386.5
• US Class Current: 221/279
• CPC Class Codes: G01N 2035/00039 Transport arrangements specific to flat sample substrates, e.g. pusher blade
• CPC Class Codes: G01N 2035/00089 Magazines
• CPC Class Codes: G01N 2035/00455 Controlling humidity in analyser
• CPC Class Codes: G01N 35/00029 provided with flat sample substrates, e.g. slides G01N35/028 takes precedence
• CPC Class Codes: G02B 21/34 Microscope slides, e.g. mounting specimens on microscope slides
• CPC Class Codes: Y10S 206/817 Follower

Abstract

A two-piece slide dispenser includes a housing defining an internal compartment for the storage of a plurality of reagent slides or similar items. The housing includes a dispensing opening and a loading opening. A finger or similar structure at least partially obstructs the dispensing opening to prevent inadvertant falling out of the reagent slides. A one-piece, multiple function, resilient spring boot including a biasing portion and a light and humidity sealing portion is also provided. Once reagent slides are loaded through the loading opening into the internal compartment, the spring boot is mounted in the compartment to engage the slides biasing them toward the dispensing opening. The biasing portion of the spring boot can be hemispherical or of a similar configuration allowing this portion to fold into itself. The biasing portion also includes an extension extending from the hemisphere to engage the slides. The sealing portion of the spring boot includes a lip or edge that can be secured on the housing around the loading opening. In an alternative embodiment, the lip or edge of the spring boot engages the inner peripherial surface of the housing adjacent the loading opening and the loading opening is closed by a cap.

Claims

1. A slide dispenser for a cannister, comprising:

a housing, said housing defining a compartment for the containment of a plurality of slides,

a slide dispensing opening in said housing, and

a one piece, hemispherically shaped, collapsible, spring boot in said compartment for biasing said slides toward said slide dispensing opening, said spring boot including a slide biasing portion, a slide engaging extension extending from said slide biasing portion and a light and humidity sealing portion.

2. A slide dispenser for a cannister as set forth in claim 1 further comprising means for preventing said slides from inadvertently falling out of said slide dispensing opening.

3. A slide dispenser for a cannister as set forth in claim 1 wherein said housing includes a slide loading opening, said spring boot includes means for securing at least a portion of said spring boot over said slide loading opening.

4. A slide dispenser for a cannister as set forth in claim 1 wherein said housing includes a slide loading opening, cap means for securement over said slide loading opening for retaining said spring boot and closing said slide loading opening.

5. A slide dispenser for a cannister as set forth in claim 1 wherein said light and humidity sealing portion of said spring boot includes an end section sealingly fitted within said compartment.

6. A slide dispenser for a cannister as set forth in claim 1 further comprising a slide loading opening in said housing, said light and humidity sealing portion including lip means for fitting over said housing around said slide loading opening.

7. A slide dispenser for a cannister as set forth in claim 1 wherein said spring boot is of elastomeric material.

8. A slide dispenser for a cannister as set forth in claim 1 wherein said spring boot is of silicone rubber.

9. An apparatus for dispensing reagent slides or the like, comprising:

a housing,

a compartment within said housing for holding a plurality of reagent slides or the like,

a first opening in said housing for distribution or loading of said reagent slides or the like, and

a one-piece, collapsible spring member positioned in said compartment including a first portion with a hemispherical body and a tubular extension extending from said body engaging and biasing said reagent slides or the like toward said first opening and a second portion sealing said second opening.

10. An apparatus for dispensing reagent slides or the like as claimed in claim 9 wherein said one-piece spring member is elastomeric.

11. An apparatus for dispensing reagent slides or the like as claimed in claim 9 wherein said one-piece spring member is elastomeric with a lip portion engaging said housing and sealing said second opening.

12. An apparatus for dispensing reagent slides or the like as claimed in claim 9 further comprising a second opening in said housing for loading said reagent slides or the like into said compartment.

13. An apparatus for dispensing reagent slides or the like as claimed in claim 12 further comprising a cap secured to second opening.

14. A one-piece biasing and sealing spring member for a reagent slide dispenser, comprising:

a hollow, unitary resilient body, said body including a chamber portion of a hemispherically shaped configuration allowing said body to fold into said chamber portion, a slide engagement portion extending from said chamber portion, and lip portion means for mechanically sealing said dispenser from light and humidity.

15. A one-piece biasing and sealing spring member for a reagent slide dispenser as set forth in claim 14 wherein said hollow, unitary resilient body is of elastomeric material.

16. A one-piece biasing and sealing spring member for a reagent slide dispenser as set forth in claim 14 wherein said hollow, unitary resilient body is of a silicone rubber.

17. A one-piece biasing and sealing spring member for a reagent slide dispenser as claimed in claim 14 wherein said slide engagement portion is a tubular extension.